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Chau</a><p class="suggested-user-card__user-info__subheader ds2-5-body-xs">Hong Kong Polytechnic University</p></div></div></ul></div></div></div><div class="right-panel-container"><div class="user-content-wrapper"><div class="uploads-container" id="social-redesign-work-container"><div class="upload-header"><h2 class="ds2-5-heading-sans-serif-xs">Uploads</h2></div><div class="documents-container backbone-social-profile-documents" style="width: 100%;"><div class="u-taCenter"></div><div class="profile--tab_content_container js-tab-pane tab-pane active" id="all"><div class="profile--tab_heading_container js-section-heading" data-section="Papers" id="Papers"><h3 class="profile--tab_heading_container">Papers by Joelle Aubin</h3></div><div class="js-work-strip profile--work_container" data-work-id="23795895"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23795895/Blending_of_Newtonian_and_Shear_Thinning_Fluids_in_a_Tank_Stirred_with_a_Helical_Screw_Agitator"><img alt="Research paper thumbnail of Blending of Newtonian and Shear-Thinning Fluids in a Tank Stirred with a Helical Screw Agitator" class="work-thumbnail" src="https://attachments.academia-assets.com/44221872/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23795895/Blending_of_Newtonian_and_Shear_Thinning_Fluids_in_a_Tank_Stirred_with_a_Helical_Screw_Agitator">Blending of Newtonian and Shear-Thinning Fluids in a Tank Stirred with a Helical Screw Agitator</a></div><div class="wp-workCard_item"><span>Chemical Engineering Research and Design</span><span>, Nov 1, 2000</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Fluid Dynamics for a cylindrical vessel stirred by a helical screw agitator. Simulations have bee...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Fluid Dynamics for a cylindrical vessel stirred by a helical screw agitator. Simulations have been performed for a vessel geometry with and without a draft tube. Simulated flow patterns in the vessel have been examined and compared with the experimental work of previous authors. The power number and the circulation number have been evaluated, and interpreted in a similar manner to other works. The P O .Re constant, A, has been determined to be 295 for the geometry with the draft tube and 150 for that without the draft tube. These results are in the same range as previously reported values. The Metzner and Otto constant, k, has been evaluated to be 16.23 which is in excellent agreement with experimental results reported in the literature.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f10cbac9a606d6d02b2f022cc13dae77" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221872,"asset_id":23795895,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221872/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795895"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795895"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795895; 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Amongst the vast application possibilities, fast, highly exothermic and/or mass transfer-limited gas-liquid reactions benefit from process miniaturization. Recent studies of hydrodynamics and mass transfer in gas-liquid microreactors with closed and open microchannels, e.g., falling-film microreactors, are reviewed and compared. Special attention is paid to Taylor or slug flow in closed channels, as this regime seems to be most adapted for practical engineering applications.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d0d6d2e3229487a5adfb7e7f6bf77d6d" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221985,"asset_id":23795894,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221985/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795894"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795894"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795894; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795893"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/23795893/Reactor_Comparison_for_the_Esterification_of_Fatty_Acids_from_Waste_Cooking_Oil"><img alt="Research paper thumbnail of Reactor Comparison for the Esterification of Fatty Acids from Waste Cooking Oil" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/23795893/Reactor_Comparison_for_the_Esterification_of_Fatty_Acids_from_Waste_Cooking_Oil">Reactor Comparison for the Esterification of Fatty Acids from Waste Cooking Oil</a></div><div class="wp-workCard_item"><span>Chemical Engineering & Technology</span><span>, 2015</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795893"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795893"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795893; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795890"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/23795890/Modeling_of_Microfluidic_Devices"><img alt="Research paper thumbnail of Modeling of Microfluidic Devices" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/23795890/Modeling_of_Microfluidic_Devices">Modeling of Microfluidic Devices</a></div><div class="wp-workCard_item"><span>A Comprehensive Handbook</span><span>, 2009</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">... a combination of classical solutions of the Navier-Stokes equations, coupled with ad hoc mode...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">... a combination of classical solutions of the Navier-Stokes equations, coupled with ad hoc models of ... They concluded that central differencing and the Crank-Nicholson schemes performed the best and that ... This is a very efficient way to solve the problem for straight channels but ...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795890"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795890"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795890; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=23795890]").text(description); $(".js-view-count[data-work-id=23795890]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 23795890; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='23795890']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=23795890]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":23795890,"title":"Modeling of Microfluidic Devices","internal_url":"https://www.academia.edu/23795890/Modeling_of_Microfluidic_Devices","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795889"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23795889/Gas_Liquid_Flow_Generated_by_a_Pitched_Blade_Turbine_Particle_Image_Velocimetry_Measurements_and_Computational_Fluid_Dynamics_Simulations"><img alt="Research paper thumbnail of Gas−Liquid Flow Generated by a Pitched-Blade Turbine: Particle Image Velocimetry Measurements and Computational Fluid Dynamics Simulations" class="work-thumbnail" src="https://attachments.academia-assets.com/44221860/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23795889/Gas_Liquid_Flow_Generated_by_a_Pitched_Blade_Turbine_Particle_Image_Velocimetry_Measurements_and_Computational_Fluid_Dynamics_Simulations">Gas−Liquid Flow Generated by a Pitched-Blade Turbine: Particle Image Velocimetry Measurements and Computational Fluid Dynamics Simulations</a></div><div class="wp-workCard_item"><span>Industrial & Engineering Chemistry Research</span><span>, 2003</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Axial-flow impellers, like pitched-blade impellers, are being increasingly used for gas-liquid sy...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Axial-flow impellers, like pitched-blade impellers, are being increasingly used for gas-liquid systems in stirred vessels. In this work we have used particle image velocimetry (PIV) and computational fluid dynamics (CFD) models to investigate gas-liquid flow generated by a downflow pitched-blade turbine. PIV measurements were carried out in a fully baffled stirred vessel (of 0.19 m diameter) with a dished bottom. Angle-resolved measurements of the flow field with and without gas dispersion were carried out. An attempt was made to capture key details of the trailing vortex, the accumulation of gas, and the flow around the impeller blades. A twofluid model along with the standard k-turbulence model was used to simulate dispersed gasliquid flow in a stirred vessel. The computational snapshot approach was used to simulate impeller rotation and was implemented in the commercial CFD code, FLUENT 4.5 (of Fluent Inc., USA). The model predictions were verified by comparison with the PIV measurements and other available experimental data. The computational model and results discussed in this work are useful for better understanding and simulation of gas-liquid flow generated by axial impellers in stirred vessels.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="db22db2a735960bf9a9414c5fad1f76e" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221860,"asset_id":23795889,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221860/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795889"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795889"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795889; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795888"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23795888/Effect_of_Axial_Agitator_Configuration_Up_Pumping_Down_Pumping_Reverse_Rotation_on_Flow_Patterns_Generated_in_Stirred_Vessels"><img alt="Research paper thumbnail of Effect of Axial Agitator Configuration (Up-Pumping, Down-Pumping, Reverse Rotation) on Flow Patterns Generated in Stirred Vessels" class="work-thumbnail" src="https://attachments.academia-assets.com/44221858/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23795888/Effect_of_Axial_Agitator_Configuration_Up_Pumping_Down_Pumping_Reverse_Rotation_on_Flow_Patterns_Generated_in_Stirred_Vessels">Effect of Axial Agitator Configuration (Up-Pumping, Down-Pumping, Reverse Rotation) on Flow Patterns Generated in Stirred Vessels</a></div><div class="wp-workCard_item"><span>Chemical Engineering Research and Design</span><span>, 2001</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Single phase turbulent flow in a tank stirred with two different axial impellers -a pitched blade...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Single phase turbulent flow in a tank stirred with two different axial impellers -a pitched blade turbine (PBT) and a Mixel TT (MTT)-has been studied using Laser Doppler Velocimetry. The effect of the agitator configuration, i.e. up-pumping, down-pumping and reverse rotation, on the turbulent flow field, as well as power, circulation and pumping numbers has been investigated. An agitation index for each configuration was also determined. In the down-pumping mode, the impellers induced one circulation loop and the upper part of the tank was poorly mixed. When up-pumping, two circulation loops are formed, the second in the upper vessel. The PBT pumping upwards was observed to have a lower flow number and to consume more power than when down-pumping, however the agitation index and circulation efficiencies were notably higher. The MTT has been shown to circulate liquid more efficiently in the up-pumping configuration than in the other two modes. Only small effects of the MTT configuration on the power number, flow number and pumping effectiveness have been observed.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="fb0f83dcc70192a4133871bd1e1c5bc4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221858,"asset_id":23795888,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221858/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795888"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795888"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795888; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685207"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/23685207/Gas_Liquid_Taylor_Flow_Characteristics_in_Straight_and_Meandering_Rectangular_Microchannels"><img alt="Research paper thumbnail of Gas-Liquid Taylor Flow Characteristics in Straight and Meandering Rectangular Microchannels" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/23685207/Gas_Liquid_Taylor_Flow_Characteristics_in_Straight_and_Meandering_Rectangular_Microchannels">Gas-Liquid Taylor Flow Characteristics in Straight and Meandering Rectangular Microchannels</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Taylor flow is a gas-liquid two-phase flow pattern which appears in microchannels and capillaries...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Taylor flow is a gas-liquid two-phase flow pattern which appears in microchannels and capillaries over a wide range of flow rates. It is characterized by elongated bubbles separated form each other by liquid slugs (Figure 1). The bubbles themselves are separated from the channel wall by a liquid film. A particular feature of Taylor flow is the velocity field within the liquid slugs; two symmetrical vortices are created at both sides of the channel centre line. This behavior is considered as advantageous for mass transfer and turns the Taylor flow regime into an interesting operating condition for gas-liquid or gas-liquid-solid microreactors (solid catalyst deposited on the channel walls) [1]. Figure 1: Example image of Taylor flow through a rectangular microchannels used in the frame of the present study (lS = slug length, lB = bubble length). In order to provide sufficient residence time for a reactive system, typically long microchannels are needed. Since one of the design require...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685207"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685207"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685207; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=23685207]").text(description); $(".js-view-count[data-work-id=23685207]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 23685207; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='23685207']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=23685207]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":23685207,"title":"Gas-Liquid Taylor Flow Characteristics in Straight and Meandering Rectangular Microchannels","internal_url":"https://www.academia.edu/23685207/Gas_Liquid_Taylor_Flow_Characteristics_in_Straight_and_Meandering_Rectangular_Microchannels","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15670006"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/15670006/Design_of_micromixers_using_CFD_modelling"><img alt="Research paper thumbnail of Design of micromixers using CFD modelling" class="work-thumbnail" src="https://attachments.academia-assets.com/42985974/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/15670006/Design_of_micromixers_using_CFD_modelling">Design of micromixers using CFD modelling</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://enfa.academia.edu/CXuereb">C. Xuereb</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span>Chemical Engineering Science</span><span>, 2005</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The effect of various geometrical parameters of a grooved staggered herringbone micromixer on the...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The effect of various geometrical parameters of a grooved staggered herringbone micromixer on the mixing performance has been investigated using computational fluid dynamics. Mixing quality has been quantified with spatial data statistics, maximum striation thickness and residence time analyses. The results show that the number of grooves per mixing cycle does not affect the mixing quality in an important way. On the other hand, a larger groove depth and width allow the maximum striation thickness to be rapidly reduced, without increasing the pressure drop across the mixer. Wide grooves, however, create significant dead zones in the microchannel, whereas deep grooves improve the spatial mixing quality.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="5c3dd26aa84ca077fdb24451c83f6223" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":42985974,"asset_id":15670006,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/42985974/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15670006"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15670006"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15670006; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15670006]").text(description); $(".js-view-count[data-work-id=15670006]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 15670006; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='15670006']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "5c3dd26aa84ca077fdb24451c83f6223" } } $('.js-work-strip[data-work-id=15670006]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":15670006,"title":"Design of micromixers using CFD modelling","internal_url":"https://www.academia.edu/15670006/Design_of_micromixers_using_CFD_modelling","owner_id":34857401,"coauthors_can_edit":true,"owner":{"id":34857401,"first_name":"C.","middle_initials":null,"last_name":"Xuereb","page_name":"CXuereb","domain_name":"enfa","created_at":"2015-09-13T23:45:24.412-07:00","display_name":"C. 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The effect of the modeling approach, discretization scheme and turbulence model on mean velocities, turbulent kinetic energy and global quantities, such as the power and circulation numbers, has been investigated. The results have been validated by LDV data. The stationary and time-dependent modeling approaches were found to have little effect on the turbulent flow, however the choice of the numerical scheme was found to be important, especially for the predicted turbulent kinetic energy. A first order method was found to highly underestimate LDV data compared with higher order methods. The type of the turbulence model was limited to the k-e and RNG models due to convergence difficulties encountered with a Reynolds Stress Model (RSM) and there was found to be little effect of these models on the mean flow and turbulent kinetic energy. This latter quantity wa...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f000161df3dd019956025e94aceee680" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090912,"asset_id":23685206,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090912/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685206"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685206"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685206; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15670009"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/15670009/Vortex_structure_and_mixing_in_meandering_microchannels"><img alt="Research paper thumbnail of Vortex structure and mixing in meandering microchannels" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/15670009/Vortex_structure_and_mixing_in_meandering_microchannels">Vortex structure and mixing in meandering microchannels</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://enfa.academia.edu/CXuereb">C. Xuereb</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">ABSTRACT Vortex Structure and Mixing in Meandering Microchannels</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15670009"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15670009"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15670009; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15670009]").text(description); $(".js-view-count[data-work-id=15670009]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 15670009; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='15670009']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=15670009]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":15670009,"title":"Vortex structure and mixing in meandering microchannels","internal_url":"https://www.academia.edu/15670009/Vortex_structure_and_mixing_in_meandering_microchannels","owner_id":34857401,"coauthors_can_edit":true,"owner":{"id":34857401,"first_name":"C.","middle_initials":null,"last_name":"Xuereb","page_name":"CXuereb","domain_name":"enfa","created_at":"2015-09-13T23:45:24.412-07:00","display_name":"C. Xuereb","url":"https://enfa.academia.edu/CXuereb"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685205"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685205/Characteristics_of_liquid_slugs_in_gas_liquid_Taylor_flow_in_microchannels"><img alt="Research paper thumbnail of Characteristics of liquid slugs in gas–liquid Taylor flow in microchannels" class="work-thumbnail" src="https://attachments.academia-assets.com/44090915/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685205/Characteristics_of_liquid_slugs_in_gas_liquid_Taylor_flow_in_microchannels">Characteristics of liquid slugs in gas–liquid Taylor flow in microchannels</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The hydrodynamics of liquid slugs in gas-liquid Taylor flow in straight and meandering microchann...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The hydrodynamics of liquid slugs in gas-liquid Taylor flow in straight and meandering microchannels have been studied using micro Particle Image Velocimetry. The results confirm a recirculation motion in the liquid slug, which is symmetrical about the center line of the channel for the straight geometry and more complex and three dimensional in the meandering channel. An attempt has also been made to quantify and characterize this recirculation motion in these short liquid slugs (L s /w < 1.5) by evaluating the recirculation rate, velocity and time. The recirculation velocity was found to increase linearly with the two-phase superficial velocity U TP . The product of the liquid slug residence time and the recirculation rate is independent of U TP under the studied flow conditions. These results suggest that the amount of heat or mass transferred between a given liquid slug and its surroundings is independent of the total flow rate and determined principally by the characteristics of the liquid slug.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="633ff3aff99b02168503a328128efbfd" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090915,"asset_id":23685205,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090915/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685205"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685205"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685205; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685204"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685204/Design_of_multiple_impeller_stirred_tanks_for_the_mixing_of_highly_viscous_fluids_using_CFD"><img alt="Research paper thumbnail of Design of multiple impeller stirred tanks for the mixing of highly viscous fluids using CFD" class="work-thumbnail" src="https://attachments.academia-assets.com/44090913/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685204/Design_of_multiple_impeller_stirred_tanks_for_the_mixing_of_highly_viscous_fluids_using_CFD">Design of multiple impeller stirred tanks for the mixing of highly viscous fluids using CFD</a></div><div class="wp-workCard_item"><span>Chemical Engineering Science</span><span>, 2006</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The effect of multiple Intermig impeller configuration on hydrodynamics and mixing performance in...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The effect of multiple Intermig impeller configuration on hydrodynamics and mixing performance in a stirred tank has been investigated using computational fluid dynamics. Connection between impeller stages and compartmentalisation has been assessed using Lagrangian particle tracking. The results show that by a rotating Intermig impeller by 45° respect to its neighbours, instead of a 90° rotation as recommended by manufacturers, enables a larger range of operating conditions, i.e. lower Reynolds number flows, to be handled. Furthermore by slightly decreasing the distance between the lower two impellers, fluid exchange between the impellers is ensured down to Re = 27.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f4f02feb27d2d772e70a6e8e8825131c" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090913,"asset_id":23685204,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090913/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685204"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685204"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685204; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685203"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685203/Current_methods_for_characterising_mixing_and_flow_in_microchannels"><img alt="Research paper thumbnail of Current methods for characterising mixing and flow in microchannels" class="work-thumbnail" src="https://attachments.academia-assets.com/44090916/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685203/Current_methods_for_characterising_mixing_and_flow_in_microchannels">Current methods for characterising mixing and flow in microchannels</a></div><div class="wp-workCard_item"><span>Chemical Engineering Science</span><span>, 2010</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">This article reviews existing methods for the characterisation of mixing and flow in microchannel...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">This article reviews existing methods for the characterisation of mixing and flow in microchannels, micromixers and microreactors. In particular, it analyses the current experimental techniques and methods available for characterising mixing and the associated phenomena in single and multiphase flow. The review shows that the majority of the experimental techniques used for characterising mixing and two-phase flow in microchannels employ optical methods, which require optical access to the flow, or off-line measurements. Indeed visual measurements are very important for the fundamental understanding of the physics of these flows and the rapid advances in optical measurement techniques, like confocal scanning laser microscopy and high resolution stereo micro particle image velocimetry, are now making full field data retrieval possible. However, integration of microchannel devices in industrial processes will require on-line measurements for process control that do not necessarily rely on optical techniques. Developments are being made in the areas of non-intrusive sensors, magnetic resonance techniques, ultrasonic spectroscopy and on-line flow through measurement cells. The advances made in these areas will certainly be of increasing interest in the future as microchannels are more frequently employed in continuous flow equipment for industrial applications.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="c2d46c733c72668ec5cdbb71f978b9a9" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090916,"asset_id":23685203,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090916/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685203"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685203"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685203; 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dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "c2d46c733c72668ec5cdbb71f978b9a9" } } $('.js-work-strip[data-work-id=23685203]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":23685203,"title":"Current methods for characterising mixing and flow in microchannels","internal_url":"https://www.academia.edu/23685203/Current_methods_for_characterising_mixing_and_flow_in_microchannels","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[{"id":44090916,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/44090916/thumbnails/1.jpg","file_name":"Current_methods_for_characterising_mixin20160325-12361-1acdwe9.pdf","download_url":"https://www.academia.edu/attachments/44090916/download_file","bulk_download_file_name":"Current_methods_for_characterising_mixin.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/44090916/Current_methods_for_characterising_mixin20160325-12361-1acdwe9-libre.pdf?1458894402=\u0026response-content-disposition=attachment%3B+filename%3DCurrent_methods_for_characterising_mixin.pdf\u0026Expires=1739828830\u0026Signature=AKFvhf~8KVw3ly5oMYzmbyPyPHK1ZhZGhJztReXRIhNFREYEWgGEZiYB8I47x7bA0A1qCj9~fyti1-DhobxbRklPVAqo97wS~1V74XkegxnVGMypcj8CqyIwXuVINcwEH0cs2J6zH7EV9sbEmjvsh99fq4YilKT9H~30pPQj9dUnSLe074nj7iOaBhbCi2LZazLJgA-8URQljBeVXaM14~28bQ4gyx8QsxX~q1R4FhkY5Lo4vKzQ2qOO813-Hg-XO7BxHWjNZQdvjhCm545VIbLjMA0dZKoWlSSG8OpuIec~6K9fxcfl6W3e5UKBCQwuaTUvZwgCR1dL7pSFVBu8fg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685202"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685202/Characterization_of_the_Mixing_Quality_in_Micromixers"><img alt="Research paper thumbnail of Characterization of the Mixing Quality in Micromixers" class="work-thumbnail" src="https://attachments.academia-assets.com/44090914/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685202/Characterization_of_the_Mixing_Quality_in_Micromixers">Characterization of the Mixing Quality in Micromixers</a></div><div class="wp-workCard_item"><span>Chemical Engineering & Technology</span><span>, 2003</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The laminar flow patterns and mixing performance of two different micromixers have been investiga...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The laminar flow patterns and mixing performance of two different micromixers have been investigated and quantified using CFD. The micromixer geometries consist of a channel with either diagonal or asymmetric herringbone grooves on the channel floor. The numerical results show that a single helical flow is produced for the diagonal mixer, whereas the herringbone mixer creates a double helical flow, composed of an alternating large and small vortex. Particle tracking of a tracer shows that very little convective mixing occurs in the diagonal mixer. However, in the herringbone mixer, very good mixing occurs. Quantitative analysis methods that are traditionally used for characterizing macro-scale static mixers have been employed. Calculation of the variance of tracer dispersion and the stretching has shown to be well adapted for quantifying the mixing in the micromixers. However, methods based on the deformation rate appear to be less suitable. The results are in excellent agreement with previous experimental findings.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="7abc5ba9788db1b75f512e002832554d" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090914,"asset_id":23685202,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090914/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685202"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685202"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685202; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15534047"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/15534047/On_the_combined_effects_of_surface_tension_force_calculation_and_interface_advection_on_spurious_currents_within_Volume_of_Fluid_and_Level_Set_frameworks"><img alt="Research paper thumbnail of On the combined effects of surface tension force calculation and interface advection on spurious currents within Volume of Fluid and Level Set frameworks" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/15534047/On_the_combined_effects_of_surface_tension_force_calculation_and_interface_advection_on_spurious_currents_within_Volume_of_Fluid_and_Level_Set_frameworks">On the combined effects of surface tension force calculation and interface advection on spurious currents within Volume of Fluid and Level Set frameworks</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/TAbadie">T. Abadie</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span>Journal of Computational Physics</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">This paper deals with the comparison of Eulerian methods to take into account the capillary contr...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">This paper deals with the comparison of Eulerian methods to take into account the capillary contribution in the vicinity of a fluid–fluid interface. Eulerian methods are well-known to produce additional vorticity close to the interface that leads to non-physical spurious currents. Numerical equilibrium between pressure gradient and capillary force for the static bubble test case within a VOF framework has been reached in [35] with the height-function technique [14] and [35]. However, once the bubble is translated in a uniform flow, spurious currents are maintained by slight errors induced by translation schemes. In this work, two main points are investigated: the ability of Volume of Fluid and Level Set methods to accurately calculate the curvature, and the magnitude of spurious currents due to errors in the calculation of the curvature after advection in both translating and rotating flows. The spurious currents source term is expressed from the vorticity equation and used to discu...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15534047"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15534047"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15534047; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15534047]").text(description); 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} }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15534046"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/15534046/MEASUREMENT_OF_MIXING_USING_THREE_DIMENSIONS_OF_SEGREGATION"><img alt="Research paper thumbnail of MEASUREMENT OF MIXING USING THREE DIMENSIONS OF SEGREGATION" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/15534046/MEASUREMENT_OF_MIXING_USING_THREE_DIMENSIONS_OF_SEGREGATION">MEASUREMENT OF MIXING USING THREE DIMENSIONS OF SEGREGATION</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://ualberta.academia.edu/SuzanneKresta">Suzanne Kresta</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/AlenaKukukov%C3%A1">Alena Kukuková</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Although a number of definitions of mixing have been proposed in the literature, no single defini...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Although a number of definitions of mixing have been proposed in the literature, no single definition accurately and clearly describes the full range of problems in the field of industrial mixing. An alternate approach is proposed which defines segregation as being composed of three separate dimensions. The first dimension is the intensity of segregation quantified by the normalized concentration variance (CoV); the second dimension is clustering or the scale of segregation; and the last dimension is the exposure or the potential to reduce segregation. The first dimension focuses on the instantaneous concentration variance; the second on the instantaneous length scales in the mixing field; and the third on the driving force for change, i.e. the mixing time scale, or the instantaneous rate of reduction in segregation. With these three dimensions in hand, it is possible to speak more clearly about what is meant by the control of segregation in industrial mixing processes. In this pape...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15534046"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15534046"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15534046; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15534046]").text(description); $(".js-view-count[data-work-id=15534046]").attr('title', description).tooltip(); 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dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=15534045]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":15534045,"title":"Microractor for catalytic oxidation of voc : characterisation and efficiency","internal_url":"https://www.academia.edu/15534045/Microractor_for_catalytic_oxidation_of_voc_characterisation_and_efficiency","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15534044"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/15534044/Hydrodynamics_of_gas_liquid_Taylor_flow_in_rectangular_microchannels"><img alt="Research paper thumbnail of Hydrodynamics of gas–liquid Taylor flow in rectangular microchannels" class="work-thumbnail" src="https://attachments.academia-assets.com/43114679/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/15534044/Hydrodynamics_of_gas_liquid_Taylor_flow_in_rectangular_microchannels">Hydrodynamics of gas–liquid Taylor flow in rectangular microchannels</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/TAbadie">T. Abadie</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span>Microfluidics and Nanofluidics</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The effect of fluid properties and operating conditions on the generation of gas–liquid Taylor fl...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The effect of fluid properties and operating conditions on the generation of gas–liquid Taylor flow in microchannels has been investigated experimentally and numerically. Visualisation experiments and 2D numerical simulations have been performed to study bubble and slug lengths, liquid film hold-up and bubble velocities. The results show that the bubble and slug lengths increase as a function of the gas and liquid flow rate ratios. The bubble and slug lengths follow the model developed by Garstecki et al. (Lab chip 6:437–446, 2006) and van Steijn et al. (Chem Eng Sci 62:7505–7514, 2007), however, the model coefficients appear to be dependent on the liquid properties and flow conditions in some cases. The ratio of the bubble velocity to superficial two-phase velocity is close to unity, which confirms a thin liquid film under the assumption of a stagnant liquid film. Numerical simulations confirm the hypothesis of a stagnant liquid film and provide information on the thickness of the ...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="5a0f5a00794fa834d47bead3ffb0e0c4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":43114679,"asset_id":15534044,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/43114679/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15534044"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15534044"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15534044; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> </div><div class="profile--tab_content_container js-tab-pane tab-pane" data-section-id="3512948" id="papers"><div class="js-work-strip profile--work_container" data-work-id="23795895"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23795895/Blending_of_Newtonian_and_Shear_Thinning_Fluids_in_a_Tank_Stirred_with_a_Helical_Screw_Agitator"><img alt="Research paper thumbnail of Blending of Newtonian and Shear-Thinning Fluids in a Tank Stirred with a Helical Screw Agitator" class="work-thumbnail" src="https://attachments.academia-assets.com/44221872/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23795895/Blending_of_Newtonian_and_Shear_Thinning_Fluids_in_a_Tank_Stirred_with_a_Helical_Screw_Agitator">Blending of Newtonian and Shear-Thinning Fluids in a Tank Stirred with a Helical Screw Agitator</a></div><div class="wp-workCard_item"><span>Chemical Engineering Research and Design</span><span>, Nov 1, 2000</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Fluid Dynamics for a cylindrical vessel stirred by a helical screw agitator. Simulations have bee...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Fluid Dynamics for a cylindrical vessel stirred by a helical screw agitator. Simulations have been performed for a vessel geometry with and without a draft tube. Simulated flow patterns in the vessel have been examined and compared with the experimental work of previous authors. The power number and the circulation number have been evaluated, and interpreted in a similar manner to other works. The P O .Re constant, A, has been determined to be 295 for the geometry with the draft tube and 150 for that without the draft tube. These results are in the same range as previously reported values. The Metzner and Otto constant, k, has been evaluated to be 16.23 which is in excellent agreement with experimental results reported in the literature.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f10cbac9a606d6d02b2f022cc13dae77" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221872,"asset_id":23795895,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221872/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795895"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795895"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795895; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795894"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23795894/Hydrodynamics_and_Mass_Transfer_in_Gas_Liquid_Flows_in_Microreactors"><img alt="Research paper thumbnail of Hydrodynamics and Mass Transfer in Gas-Liquid Flows in Microreactors" class="work-thumbnail" src="https://attachments.academia-assets.com/44221985/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23795894/Hydrodynamics_and_Mass_Transfer_in_Gas_Liquid_Flows_in_Microreactors">Hydrodynamics and Mass Transfer in Gas-Liquid Flows in Microreactors</a></div><div class="wp-workCard_item"><span>Chemical Engineering Technology</span><span>, Aug 1, 2012</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Over the last ten to fifteen years, microreaction technology has become of increased interest to ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Over the last ten to fifteen years, microreaction technology has become of increased interest to both academics and industrialists for intensification of multiphase processes. Amongst the vast application possibilities, fast, highly exothermic and/or mass transfer-limited gas-liquid reactions benefit from process miniaturization. Recent studies of hydrodynamics and mass transfer in gas-liquid microreactors with closed and open microchannels, e.g., falling-film microreactors, are reviewed and compared. Special attention is paid to Taylor or slug flow in closed channels, as this regime seems to be most adapted for practical engineering applications.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d0d6d2e3229487a5adfb7e7f6bf77d6d" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221985,"asset_id":23795894,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221985/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795894"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795894"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795894; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795890"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/23795890/Modeling_of_Microfluidic_Devices"><img alt="Research paper thumbnail of Modeling of Microfluidic Devices" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/23795890/Modeling_of_Microfluidic_Devices">Modeling of Microfluidic Devices</a></div><div class="wp-workCard_item"><span>A Comprehensive Handbook</span><span>, 2009</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">... a combination of classical solutions of the Navier-Stokes equations, coupled with ad hoc mode...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">... a combination of classical solutions of the Navier-Stokes equations, coupled with ad hoc models of ... They concluded that central differencing and the Crank-Nicholson schemes performed the best and that ... This is a very efficient way to solve the problem for straight channels but ...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795890"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795890"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795890; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=23795890]").text(description); $(".js-view-count[data-work-id=23795890]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 23795890; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='23795890']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=23795890]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":23795890,"title":"Modeling of Microfluidic Devices","internal_url":"https://www.academia.edu/23795890/Modeling_of_Microfluidic_Devices","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795889"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23795889/Gas_Liquid_Flow_Generated_by_a_Pitched_Blade_Turbine_Particle_Image_Velocimetry_Measurements_and_Computational_Fluid_Dynamics_Simulations"><img alt="Research paper thumbnail of Gas−Liquid Flow Generated by a Pitched-Blade Turbine: Particle Image Velocimetry Measurements and Computational Fluid Dynamics Simulations" class="work-thumbnail" src="https://attachments.academia-assets.com/44221860/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23795889/Gas_Liquid_Flow_Generated_by_a_Pitched_Blade_Turbine_Particle_Image_Velocimetry_Measurements_and_Computational_Fluid_Dynamics_Simulations">Gas−Liquid Flow Generated by a Pitched-Blade Turbine: Particle Image Velocimetry Measurements and Computational Fluid Dynamics Simulations</a></div><div class="wp-workCard_item"><span>Industrial & Engineering Chemistry Research</span><span>, 2003</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Axial-flow impellers, like pitched-blade impellers, are being increasingly used for gas-liquid sy...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Axial-flow impellers, like pitched-blade impellers, are being increasingly used for gas-liquid systems in stirred vessels. In this work we have used particle image velocimetry (PIV) and computational fluid dynamics (CFD) models to investigate gas-liquid flow generated by a downflow pitched-blade turbine. PIV measurements were carried out in a fully baffled stirred vessel (of 0.19 m diameter) with a dished bottom. Angle-resolved measurements of the flow field with and without gas dispersion were carried out. An attempt was made to capture key details of the trailing vortex, the accumulation of gas, and the flow around the impeller blades. A twofluid model along with the standard k-turbulence model was used to simulate dispersed gasliquid flow in a stirred vessel. The computational snapshot approach was used to simulate impeller rotation and was implemented in the commercial CFD code, FLUENT 4.5 (of Fluent Inc., USA). The model predictions were verified by comparison with the PIV measurements and other available experimental data. The computational model and results discussed in this work are useful for better understanding and simulation of gas-liquid flow generated by axial impellers in stirred vessels.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="db22db2a735960bf9a9414c5fad1f76e" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221860,"asset_id":23795889,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221860/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795889"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795889"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795889; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23795888"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23795888/Effect_of_Axial_Agitator_Configuration_Up_Pumping_Down_Pumping_Reverse_Rotation_on_Flow_Patterns_Generated_in_Stirred_Vessels"><img alt="Research paper thumbnail of Effect of Axial Agitator Configuration (Up-Pumping, Down-Pumping, Reverse Rotation) on Flow Patterns Generated in Stirred Vessels" class="work-thumbnail" src="https://attachments.academia-assets.com/44221858/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23795888/Effect_of_Axial_Agitator_Configuration_Up_Pumping_Down_Pumping_Reverse_Rotation_on_Flow_Patterns_Generated_in_Stirred_Vessels">Effect of Axial Agitator Configuration (Up-Pumping, Down-Pumping, Reverse Rotation) on Flow Patterns Generated in Stirred Vessels</a></div><div class="wp-workCard_item"><span>Chemical Engineering Research and Design</span><span>, 2001</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Single phase turbulent flow in a tank stirred with two different axial impellers -a pitched blade...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Single phase turbulent flow in a tank stirred with two different axial impellers -a pitched blade turbine (PBT) and a Mixel TT (MTT)-has been studied using Laser Doppler Velocimetry. The effect of the agitator configuration, i.e. up-pumping, down-pumping and reverse rotation, on the turbulent flow field, as well as power, circulation and pumping numbers has been investigated. An agitation index for each configuration was also determined. In the down-pumping mode, the impellers induced one circulation loop and the upper part of the tank was poorly mixed. When up-pumping, two circulation loops are formed, the second in the upper vessel. The PBT pumping upwards was observed to have a lower flow number and to consume more power than when down-pumping, however the agitation index and circulation efficiencies were notably higher. The MTT has been shown to circulate liquid more efficiently in the up-pumping configuration than in the other two modes. Only small effects of the MTT configuration on the power number, flow number and pumping effectiveness have been observed.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="fb0f83dcc70192a4133871bd1e1c5bc4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44221858,"asset_id":23795888,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44221858/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23795888"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23795888"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23795888; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685207"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/23685207/Gas_Liquid_Taylor_Flow_Characteristics_in_Straight_and_Meandering_Rectangular_Microchannels"><img alt="Research paper thumbnail of Gas-Liquid Taylor Flow Characteristics in Straight and Meandering Rectangular Microchannels" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/23685207/Gas_Liquid_Taylor_Flow_Characteristics_in_Straight_and_Meandering_Rectangular_Microchannels">Gas-Liquid Taylor Flow Characteristics in Straight and Meandering Rectangular Microchannels</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Taylor flow is a gas-liquid two-phase flow pattern which appears in microchannels and capillaries...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Taylor flow is a gas-liquid two-phase flow pattern which appears in microchannels and capillaries over a wide range of flow rates. It is characterized by elongated bubbles separated form each other by liquid slugs (Figure 1). The bubbles themselves are separated from the channel wall by a liquid film. A particular feature of Taylor flow is the velocity field within the liquid slugs; two symmetrical vortices are created at both sides of the channel centre line. This behavior is considered as advantageous for mass transfer and turns the Taylor flow regime into an interesting operating condition for gas-liquid or gas-liquid-solid microreactors (solid catalyst deposited on the channel walls) [1]. Figure 1: Example image of Taylor flow through a rectangular microchannels used in the frame of the present study (lS = slug length, lB = bubble length). In order to provide sufficient residence time for a reactive system, typically long microchannels are needed. Since one of the design require...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685207"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685207"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685207; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=23685207]").text(description); $(".js-view-count[data-work-id=23685207]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 23685207; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='23685207']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=23685207]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":23685207,"title":"Gas-Liquid Taylor Flow Characteristics in Straight and Meandering Rectangular Microchannels","internal_url":"https://www.academia.edu/23685207/Gas_Liquid_Taylor_Flow_Characteristics_in_Straight_and_Meandering_Rectangular_Microchannels","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15670006"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/15670006/Design_of_micromixers_using_CFD_modelling"><img alt="Research paper thumbnail of Design of micromixers using CFD modelling" class="work-thumbnail" src="https://attachments.academia-assets.com/42985974/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/15670006/Design_of_micromixers_using_CFD_modelling">Design of micromixers using CFD modelling</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://enfa.academia.edu/CXuereb">C. Xuereb</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span>Chemical Engineering Science</span><span>, 2005</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The effect of various geometrical parameters of a grooved staggered herringbone micromixer on the...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The effect of various geometrical parameters of a grooved staggered herringbone micromixer on the mixing performance has been investigated using computational fluid dynamics. Mixing quality has been quantified with spatial data statistics, maximum striation thickness and residence time analyses. The results show that the number of grooves per mixing cycle does not affect the mixing quality in an important way. On the other hand, a larger groove depth and width allow the maximum striation thickness to be rapidly reduced, without increasing the pressure drop across the mixer. Wide grooves, however, create significant dead zones in the microchannel, whereas deep grooves improve the spatial mixing quality.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="5c3dd26aa84ca077fdb24451c83f6223" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":42985974,"asset_id":15670006,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/42985974/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15670006"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15670006"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15670006; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15670006]").text(description); $(".js-view-count[data-work-id=15670006]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 15670006; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='15670006']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "5c3dd26aa84ca077fdb24451c83f6223" } } $('.js-work-strip[data-work-id=15670006]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":15670006,"title":"Design of micromixers using CFD modelling","internal_url":"https://www.academia.edu/15670006/Design_of_micromixers_using_CFD_modelling","owner_id":34857401,"coauthors_can_edit":true,"owner":{"id":34857401,"first_name":"C.","middle_initials":null,"last_name":"Xuereb","page_name":"CXuereb","domain_name":"enfa","created_at":"2015-09-13T23:45:24.412-07:00","display_name":"C. 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The effect of the modeling approach, discretization scheme and turbulence model on mean velocities, turbulent kinetic energy and global quantities, such as the power and circulation numbers, has been investigated. The results have been validated by LDV data. The stationary and time-dependent modeling approaches were found to have little effect on the turbulent flow, however the choice of the numerical scheme was found to be important, especially for the predicted turbulent kinetic energy. A first order method was found to highly underestimate LDV data compared with higher order methods. The type of the turbulence model was limited to the k-e and RNG models due to convergence difficulties encountered with a Reynolds Stress Model (RSM) and there was found to be little effect of these models on the mean flow and turbulent kinetic energy. This latter quantity wa...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f000161df3dd019956025e94aceee680" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090912,"asset_id":23685206,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090912/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685206"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685206"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685206; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15670009"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/15670009/Vortex_structure_and_mixing_in_meandering_microchannels"><img alt="Research paper thumbnail of Vortex structure and mixing in meandering microchannels" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/15670009/Vortex_structure_and_mixing_in_meandering_microchannels">Vortex structure and mixing in meandering microchannels</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://enfa.academia.edu/CXuereb">C. Xuereb</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">ABSTRACT Vortex Structure and Mixing in Meandering Microchannels</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15670009"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15670009"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15670009; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15670009]").text(description); $(".js-view-count[data-work-id=15670009]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 15670009; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='15670009']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=15670009]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":15670009,"title":"Vortex structure and mixing in meandering microchannels","internal_url":"https://www.academia.edu/15670009/Vortex_structure_and_mixing_in_meandering_microchannels","owner_id":34857401,"coauthors_can_edit":true,"owner":{"id":34857401,"first_name":"C.","middle_initials":null,"last_name":"Xuereb","page_name":"CXuereb","domain_name":"enfa","created_at":"2015-09-13T23:45:24.412-07:00","display_name":"C. Xuereb","url":"https://enfa.academia.edu/CXuereb"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685205"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685205/Characteristics_of_liquid_slugs_in_gas_liquid_Taylor_flow_in_microchannels"><img alt="Research paper thumbnail of Characteristics of liquid slugs in gas–liquid Taylor flow in microchannels" class="work-thumbnail" src="https://attachments.academia-assets.com/44090915/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685205/Characteristics_of_liquid_slugs_in_gas_liquid_Taylor_flow_in_microchannels">Characteristics of liquid slugs in gas–liquid Taylor flow in microchannels</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The hydrodynamics of liquid slugs in gas-liquid Taylor flow in straight and meandering microchann...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The hydrodynamics of liquid slugs in gas-liquid Taylor flow in straight and meandering microchannels have been studied using micro Particle Image Velocimetry. The results confirm a recirculation motion in the liquid slug, which is symmetrical about the center line of the channel for the straight geometry and more complex and three dimensional in the meandering channel. An attempt has also been made to quantify and characterize this recirculation motion in these short liquid slugs (L s /w < 1.5) by evaluating the recirculation rate, velocity and time. The recirculation velocity was found to increase linearly with the two-phase superficial velocity U TP . The product of the liquid slug residence time and the recirculation rate is independent of U TP under the studied flow conditions. These results suggest that the amount of heat or mass transferred between a given liquid slug and its surroundings is independent of the total flow rate and determined principally by the characteristics of the liquid slug.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="633ff3aff99b02168503a328128efbfd" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090915,"asset_id":23685205,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090915/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685205"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685205"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685205; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685204"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685204/Design_of_multiple_impeller_stirred_tanks_for_the_mixing_of_highly_viscous_fluids_using_CFD"><img alt="Research paper thumbnail of Design of multiple impeller stirred tanks for the mixing of highly viscous fluids using CFD" class="work-thumbnail" src="https://attachments.academia-assets.com/44090913/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685204/Design_of_multiple_impeller_stirred_tanks_for_the_mixing_of_highly_viscous_fluids_using_CFD">Design of multiple impeller stirred tanks for the mixing of highly viscous fluids using CFD</a></div><div class="wp-workCard_item"><span>Chemical Engineering Science</span><span>, 2006</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The effect of multiple Intermig impeller configuration on hydrodynamics and mixing performance in...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The effect of multiple Intermig impeller configuration on hydrodynamics and mixing performance in a stirred tank has been investigated using computational fluid dynamics. Connection between impeller stages and compartmentalisation has been assessed using Lagrangian particle tracking. The results show that by a rotating Intermig impeller by 45° respect to its neighbours, instead of a 90° rotation as recommended by manufacturers, enables a larger range of operating conditions, i.e. lower Reynolds number flows, to be handled. Furthermore by slightly decreasing the distance between the lower two impellers, fluid exchange between the impellers is ensured down to Re = 27.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f4f02feb27d2d772e70a6e8e8825131c" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090913,"asset_id":23685204,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090913/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685204"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685204"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685204; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685203"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685203/Current_methods_for_characterising_mixing_and_flow_in_microchannels"><img alt="Research paper thumbnail of Current methods for characterising mixing and flow in microchannels" class="work-thumbnail" src="https://attachments.academia-assets.com/44090916/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685203/Current_methods_for_characterising_mixing_and_flow_in_microchannels">Current methods for characterising mixing and flow in microchannels</a></div><div class="wp-workCard_item"><span>Chemical Engineering Science</span><span>, 2010</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">This article reviews existing methods for the characterisation of mixing and flow in microchannel...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">This article reviews existing methods for the characterisation of mixing and flow in microchannels, micromixers and microreactors. In particular, it analyses the current experimental techniques and methods available for characterising mixing and the associated phenomena in single and multiphase flow. The review shows that the majority of the experimental techniques used for characterising mixing and two-phase flow in microchannels employ optical methods, which require optical access to the flow, or off-line measurements. Indeed visual measurements are very important for the fundamental understanding of the physics of these flows and the rapid advances in optical measurement techniques, like confocal scanning laser microscopy and high resolution stereo micro particle image velocimetry, are now making full field data retrieval possible. However, integration of microchannel devices in industrial processes will require on-line measurements for process control that do not necessarily rely on optical techniques. Developments are being made in the areas of non-intrusive sensors, magnetic resonance techniques, ultrasonic spectroscopy and on-line flow through measurement cells. The advances made in these areas will certainly be of increasing interest in the future as microchannels are more frequently employed in continuous flow equipment for industrial applications.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="c2d46c733c72668ec5cdbb71f978b9a9" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090916,"asset_id":23685203,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090916/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685203"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685203"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685203; 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dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "c2d46c733c72668ec5cdbb71f978b9a9" } } $('.js-work-strip[data-work-id=23685203]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":23685203,"title":"Current methods for characterising mixing and flow in microchannels","internal_url":"https://www.academia.edu/23685203/Current_methods_for_characterising_mixing_and_flow_in_microchannels","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[{"id":44090916,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/44090916/thumbnails/1.jpg","file_name":"Current_methods_for_characterising_mixin20160325-12361-1acdwe9.pdf","download_url":"https://www.academia.edu/attachments/44090916/download_file","bulk_download_file_name":"Current_methods_for_characterising_mixin.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/44090916/Current_methods_for_characterising_mixin20160325-12361-1acdwe9-libre.pdf?1458894402=\u0026response-content-disposition=attachment%3B+filename%3DCurrent_methods_for_characterising_mixin.pdf\u0026Expires=1739828830\u0026Signature=AKFvhf~8KVw3ly5oMYzmbyPyPHK1ZhZGhJztReXRIhNFREYEWgGEZiYB8I47x7bA0A1qCj9~fyti1-DhobxbRklPVAqo97wS~1V74XkegxnVGMypcj8CqyIwXuVINcwEH0cs2J6zH7EV9sbEmjvsh99fq4YilKT9H~30pPQj9dUnSLe074nj7iOaBhbCi2LZazLJgA-8URQljBeVXaM14~28bQ4gyx8QsxX~q1R4FhkY5Lo4vKzQ2qOO813-Hg-XO7BxHWjNZQdvjhCm545VIbLjMA0dZKoWlSSG8OpuIec~6K9fxcfl6W3e5UKBCQwuaTUvZwgCR1dL7pSFVBu8fg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="23685202"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/23685202/Characterization_of_the_Mixing_Quality_in_Micromixers"><img alt="Research paper thumbnail of Characterization of the Mixing Quality in Micromixers" class="work-thumbnail" src="https://attachments.academia-assets.com/44090914/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/23685202/Characterization_of_the_Mixing_Quality_in_Micromixers">Characterization of the Mixing Quality in Micromixers</a></div><div class="wp-workCard_item"><span>Chemical Engineering & Technology</span><span>, 2003</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The laminar flow patterns and mixing performance of two different micromixers have been investiga...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The laminar flow patterns and mixing performance of two different micromixers have been investigated and quantified using CFD. The micromixer geometries consist of a channel with either diagonal or asymmetric herringbone grooves on the channel floor. The numerical results show that a single helical flow is produced for the diagonal mixer, whereas the herringbone mixer creates a double helical flow, composed of an alternating large and small vortex. Particle tracking of a tracer shows that very little convective mixing occurs in the diagonal mixer. However, in the herringbone mixer, very good mixing occurs. Quantitative analysis methods that are traditionally used for characterizing macro-scale static mixers have been employed. Calculation of the variance of tracer dispersion and the stretching has shown to be well adapted for quantifying the mixing in the micromixers. However, methods based on the deformation rate appear to be less suitable. The results are in excellent agreement with previous experimental findings.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="7abc5ba9788db1b75f512e002832554d" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":44090914,"asset_id":23685202,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/44090914/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="23685202"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="23685202"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23685202; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15534047"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/15534047/On_the_combined_effects_of_surface_tension_force_calculation_and_interface_advection_on_spurious_currents_within_Volume_of_Fluid_and_Level_Set_frameworks"><img alt="Research paper thumbnail of On the combined effects of surface tension force calculation and interface advection on spurious currents within Volume of Fluid and Level Set frameworks" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/15534047/On_the_combined_effects_of_surface_tension_force_calculation_and_interface_advection_on_spurious_currents_within_Volume_of_Fluid_and_Level_Set_frameworks">On the combined effects of surface tension force calculation and interface advection on spurious currents within Volume of Fluid and Level Set frameworks</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/TAbadie">T. Abadie</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span>Journal of Computational Physics</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">This paper deals with the comparison of Eulerian methods to take into account the capillary contr...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">This paper deals with the comparison of Eulerian methods to take into account the capillary contribution in the vicinity of a fluid–fluid interface. Eulerian methods are well-known to produce additional vorticity close to the interface that leads to non-physical spurious currents. Numerical equilibrium between pressure gradient and capillary force for the static bubble test case within a VOF framework has been reached in [35] with the height-function technique [14] and [35]. However, once the bubble is translated in a uniform flow, spurious currents are maintained by slight errors induced by translation schemes. In this work, two main points are investigated: the ability of Volume of Fluid and Level Set methods to accurately calculate the curvature, and the magnitude of spurious currents due to errors in the calculation of the curvature after advection in both translating and rotating flows. The spurious currents source term is expressed from the vorticity equation and used to discu...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15534047"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15534047"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15534047; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15534047]").text(description); 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} }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15534046"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/15534046/MEASUREMENT_OF_MIXING_USING_THREE_DIMENSIONS_OF_SEGREGATION"><img alt="Research paper thumbnail of MEASUREMENT OF MIXING USING THREE DIMENSIONS OF SEGREGATION" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/15534046/MEASUREMENT_OF_MIXING_USING_THREE_DIMENSIONS_OF_SEGREGATION">MEASUREMENT OF MIXING USING THREE DIMENSIONS OF SEGREGATION</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://ualberta.academia.edu/SuzanneKresta">Suzanne Kresta</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/AlenaKukukov%C3%A1">Alena Kukuková</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Although a number of definitions of mixing have been proposed in the literature, no single defini...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Although a number of definitions of mixing have been proposed in the literature, no single definition accurately and clearly describes the full range of problems in the field of industrial mixing. An alternate approach is proposed which defines segregation as being composed of three separate dimensions. The first dimension is the intensity of segregation quantified by the normalized concentration variance (CoV); the second dimension is clustering or the scale of segregation; and the last dimension is the exposure or the potential to reduce segregation. The first dimension focuses on the instantaneous concentration variance; the second on the instantaneous length scales in the mixing field; and the third on the driving force for change, i.e. the mixing time scale, or the instantaneous rate of reduction in segregation. With these three dimensions in hand, it is possible to speak more clearly about what is meant by the control of segregation in industrial mixing processes. In this pape...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15534046"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15534046"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15534046; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15534046]").text(description); $(".js-view-count[data-work-id=15534046]").attr('title', description).tooltip(); 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window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15534045]").text(description); $(".js-view-count[data-work-id=15534045]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 15534045; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='15534045']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=15534045]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":15534045,"title":"Microractor for catalytic oxidation of voc : characterisation and efficiency","internal_url":"https://www.academia.edu/15534045/Microractor_for_catalytic_oxidation_of_voc_characterisation_and_efficiency","owner_id":34689631,"coauthors_can_edit":true,"owner":{"id":34689631,"first_name":"Joelle","middle_initials":null,"last_name":"Aubin","page_name":"JoelleAubin","domain_name":"univ-toulouse","created_at":"2015-09-09T00:42:46.367-07:00","display_name":"Joelle Aubin","url":"https://univ-toulouse.academia.edu/JoelleAubin"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="15534044"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/15534044/Hydrodynamics_of_gas_liquid_Taylor_flow_in_rectangular_microchannels"><img alt="Research paper thumbnail of Hydrodynamics of gas–liquid Taylor flow in rectangular microchannels" class="work-thumbnail" src="https://attachments.academia-assets.com/43114679/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/15534044/Hydrodynamics_of_gas_liquid_Taylor_flow_in_rectangular_microchannels">Hydrodynamics of gas–liquid Taylor flow in rectangular microchannels</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/TAbadie">T. Abadie</a> and <a class="" data-click-track="profile-work-strip-authors" href="https://univ-toulouse.academia.edu/JoelleAubin">Joelle Aubin</a></span></div><div class="wp-workCard_item"><span>Microfluidics and Nanofluidics</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The effect of fluid properties and operating conditions on the generation of gas–liquid Taylor fl...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The effect of fluid properties and operating conditions on the generation of gas–liquid Taylor flow in microchannels has been investigated experimentally and numerically. Visualisation experiments and 2D numerical simulations have been performed to study bubble and slug lengths, liquid film hold-up and bubble velocities. The results show that the bubble and slug lengths increase as a function of the gas and liquid flow rate ratios. The bubble and slug lengths follow the model developed by Garstecki et al. (Lab chip 6:437–446, 2006) and van Steijn et al. (Chem Eng Sci 62:7505–7514, 2007), however, the model coefficients appear to be dependent on the liquid properties and flow conditions in some cases. The ratio of the bubble velocity to superficial two-phase velocity is close to unity, which confirms a thin liquid film under the assumption of a stagnant liquid film. Numerical simulations confirm the hypothesis of a stagnant liquid film and provide information on the thickness of the ...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="5a0f5a00794fa834d47bead3ffb0e0c4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":43114679,"asset_id":15534044,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/43114679/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="15534044"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="15534044"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15534044; 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