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theory</title> <meta name="description" content="Search results for: flow theory"> <meta name="keywords" content="flow theory"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="flow theory"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 9239</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: flow theory</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9239</span> The Magic Bullet in Africa: Exploring an Alternative Theoretical Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Nkrumah">Daniel Nkrumah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Magic Bullet theory was a popular media effect theory that defined the power of the mass media in altering beliefs and perceptions of its audiences. However, following the People's Choice study, the theory was said to have been disproved and was supplanted by the Two-Step Flow Theory. This paper examines the relevance of the Magic Bullet theory in Africa and establishes whether it is still relevant in Africa's media spaces and societies. Using selected cases on the continent, it adopts a grounded theory approach and explores a new theoretical model that attempts to enforce an argument that the Two-Step Flow theory though important and valid, was ill-conceived as a direct replacement to the Magic Bullet theory. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magic%20bullet%20theory" title="magic bullet theory">magic bullet theory</a>, <a href="https://publications.waset.org/abstracts/search?q=two-step%20flow%20theory" title=" two-step flow theory"> two-step flow theory</a>, <a href="https://publications.waset.org/abstracts/search?q=media%20effects" title=" media effects"> media effects</a>, <a href="https://publications.waset.org/abstracts/search?q=african%20media" title=" african media"> african media</a> </p> <a href="https://publications.waset.org/abstracts/168592/the-magic-bullet-in-africa-exploring-an-alternative-theoretical-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168592.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">127</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9238</span> Combating Contraflow to Creativity Amongst Preservice Teachers in Teacher Arts Education</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michael%20Flannery">Michael Flannery</a>, <a href="https://publications.waset.org/abstracts/search?q=Annie%20%C3%B3%20Breach%C3%A1in"> Annie ó Breacháin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Teaching the creative arts in preservice teacher education can be challenging. Some students find artistic self-expression and its related creative processes overwhelming. Low creative self-efficacy levels and creative habits of mind can impede their levels of motivation, engagement and persistence. For some, creative arts engagement can induce a state of anxiety and distress as opposed to flow. Flow theory posits that learners are happiest when they are learning in a state of flow. During the flow state, students feel, think and perform their best. They become so involved in the learning experience that nothing else seems to matter. The creative flow state is a crucial conduit of artistic processes to enable learners to explore and produce their best work. Despite the research conducted on flow state across several contexts, the phenomenon of personal flow state remains quite elusive. While some research has examined flow in relation to characteristics, conditions and personality traits, no research has investigated individuals' personal experiences of flow in a visual and tangible manner nor explored a relationship between flow state and teachers’ artistic development. This explorative case study explores preservice teachers’ impressions of flow using an arts-based approach. It identifies, categorizes and discusses patterns of commonality and difference. Grounded by theory concerning flow, self-efficacy and creative habits, this study ponders how emerging findings regarding flow impressions might aid teacher arts educators in helping preservice teachers who struggle with creative self-expression. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=creative%20arts" title="creative arts">creative arts</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20theory" title=" flow theory"> flow theory</a>, <a href="https://publications.waset.org/abstracts/search?q=presence" title=" presence"> presence</a>, <a href="https://publications.waset.org/abstracts/search?q=self-efficacy" title=" self-efficacy"> self-efficacy</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%20education" title=" teacher education"> teacher education</a> </p> <a href="https://publications.waset.org/abstracts/186944/combating-contraflow-to-creativity-amongst-preservice-teachers-in-teacher-arts-education" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186944.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">27</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9237</span> Internet Shopping: A Study Based On Hedonic Value and Flow Theory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pui-Lai%20To">Pui-Lai To</a>, <a href="https://publications.waset.org/abstracts/search?q=E-Ping%20Sung"> E-Ping Sung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the flourishing development of online shopping, an increasing number of customers see online shopping as an entertaining experience. Because the online consumer has a double identity as a shopper and an Internet user, online shopping should offer hedonic values of shopping and Internet usage. The purpose of this study is to investigate hedonic online shopping motivations from the perspectives of traditional hedonic value and flow theory. The study adopted a focus group interview method, including two online and two offline interviews. Four focus groups of shoppers consisted of online professionals, online college students, offline professionals and offline college students. The results of the study indicate that traditional hedonic values and dimensions of flow theory exist in the online shopping environment. The study indicated that online shoppers seem to appreciate being able to learn things and grow to become competitive achievers online. Comparisons of online hedonic motivations between groups are conducted. This study serves as a basis for the future growth of Internet marketing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow%20theory" title="flow theory">flow theory</a>, <a href="https://publications.waset.org/abstracts/search?q=hedonic%20motivation" title=" hedonic motivation"> hedonic motivation</a>, <a href="https://publications.waset.org/abstracts/search?q=internet%20shopping" title=" internet shopping"> internet shopping</a> </p> <a href="https://publications.waset.org/abstracts/29860/internet-shopping-a-study-based-on-hedonic-value-and-flow-theory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29860.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">280</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9236</span> The Grand Unified Theory of Bidirectional Spacetime with Spatial Covariance and Wave-Particle Duality in Spacetime Flow Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tory%20Erickson">Tory Erickson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The "Bidirectional Spacetime with Spatial Covariance and Wave-Particle Duality in Spacetime Flow" (BST-SCWPDF) Model introduces a framework aimed at unifying general relativity (GR) and quantum mechanics (QM). By proposing a concept of bidirectional spacetime, this model suggests that time can flow in more than one direction, thus offering a perspective on temporal dynamics. Integrated with spatial covariance and wave-particle duality in spacetime flow, the BST-SCWPDF Model resolves long-standing discrepancies between GR and QM. This unified theory has profound implications for quantum gravity, potentially offering insights into quantum entanglement, the collapse of the wave function, and the fabric of spacetime itself. The Bidirectional Spacetime with Spatial Covariance and Wave-Particle Duality in Spacetime Flow" (BST-SCWPDF) Model offers researchers a framework for a better understanding of theoretical physics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=astrophysics" title="astrophysics">astrophysics</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20mechanics" title=" quantum mechanics"> quantum mechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=general%20relativity" title=" general relativity"> general relativity</a>, <a href="https://publications.waset.org/abstracts/search?q=unification%20theory" title=" unification theory"> unification theory</a>, <a href="https://publications.waset.org/abstracts/search?q=theoretical%20physics" title=" theoretical physics"> theoretical physics</a> </p> <a href="https://publications.waset.org/abstracts/183765/the-grand-unified-theory-of-bidirectional-spacetime-with-spatial-covariance-and-wave-particle-duality-in-spacetime-flow-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183765.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">86</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9235</span> Flow as a Positive Intervention for Post-Traumatic Stress Disorder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sonal%20Khosla">Sonal Khosla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A research is proposed in the present paper to explore the role of flow in coping with traumatic experiences and attaining post-traumatic growth. A grounded theory research is proposed to be carried by analyzing memoirs of people who have been through trauma. A pilot study was carried out on two memoirs of women who were held captive for over ten years and were sexually assaulted repeatedly. The role of flow in their coping experiences was explored by analyzing the books. Some of the flow activities that were used by them were- drawing and daydreaming. Their narratives show the evidence for flow as having cathartic and healing effects on them. Applicability of the findings can take two forms: 1. Flow can be applied as a preventive technique to help the people who are going through trauma, 2. Flow can be adopted into a positive intervention to help people suffering from PTSD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow" title="flow">flow</a>, <a href="https://publications.waset.org/abstracts/search?q=positive%20intervention" title=" positive intervention"> positive intervention</a>, <a href="https://publications.waset.org/abstracts/search?q=PTSD" title=" PTSD"> PTSD</a>, <a href="https://publications.waset.org/abstracts/search?q=PTG" title=" PTG"> PTG</a> </p> <a href="https://publications.waset.org/abstracts/64349/flow-as-a-positive-intervention-for-post-traumatic-stress-disorder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64349.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">374</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9234</span> Fluid-Structure Interaction Study of Fluid Flow past Marine Turbine Blade Designed by Using Blade Element Theory and Momentum Theory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abu%20Afree%20Andalib">Abu Afree Andalib</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mezbah%20Uddin"> M. Mezbah Uddin</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Rafiur%20Rahman"> M. Rafiur Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Abir%20Hossain"> M. Abir Hossain</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajia%20Sultana%20Kamol"> Rajia Sultana Kamol</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the analysis of flow past the marine turbine blade which is designed by using the blade element theory and momentum theory for the purpose of using in the field of renewable energy. The designed blade is analyzed for various parameters using FSI module of Ansys. Computational Fluid Dynamics is used for the study of fluid flow past the blade and other fluidic phenomena such as lift, drag, pressure differentials, energy dissipation in water. Finite Element Analysis (FEA) module of Ansys was used to analyze the structural parameter such as stress and stress density, localization point, deflection, force propagation. Fine mesh is considered in every case for more accuracy in the result according to computational machine power. The relevance of design, search and optimization with respect to complex fluid flow and structural modeling is considered and analyzed. The relevancy of design and optimization with respect to complex fluid for minimum drag force using Ansys Adjoint Solver module is analyzed as well. The graphical comparison of the above-mentioned parameter using CFD and FEA and subsequently FSI technique is illustrated and found the significant conformity between both the results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blade%20element%20theory" title="blade element theory">blade element theory</a>, <a href="https://publications.waset.org/abstracts/search?q=computational%20fluid%20dynamics" title=" computational fluid dynamics"> computational fluid dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20analysis" title=" finite element analysis"> finite element analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=fluid-structure%20interaction" title=" fluid-structure interaction"> fluid-structure interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=momentum%20theory" title=" momentum theory"> momentum theory</a> </p> <a href="https://publications.waset.org/abstracts/81379/fluid-structure-interaction-study-of-fluid-flow-past-marine-turbine-blade-designed-by-using-blade-element-theory-and-momentum-theory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81379.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">301</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9233</span> Flow: A Fourth Musical Element</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=James%20R.%20Wilson">James R. Wilson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Music is typically defined as having the attributes of melody, harmony, and rhythm. In this paper, a fourth element is proposed -"flow". "Flow" is a new dimension in music that has always been present but only recently identified and measured. The Adagio "Flow Machine" enables us to envision this component and even suggests a new approach to music theory and analysis. The Adagio was created specifically to measure the underlying “flow” in music. The Adagio is an entirely new way to experience and visualize the music, to assist in performing music (both as a conductor and/or performer), and to provide a whole new methodology for music analysis and theory. The Adagio utilizes musical “hit points”, such as a transition from one musical section to another (for example, in a musical composition utilizing the sonata form, a transition from the exposition to the development section) to help define the compositions flow rate. Once the flow rate is established, the Adagio can be used to determine if the composer/performer/conductor has correctly maintained the proper rate of flow throughout the performance. An example is provided using Mozart’s Piano Concerto Number 21. Working with the Adagio yielded an unexpected windfall; it was determined via an empirical study conducted at Nova University’s Biofeedback Lab that watching the Adagio helped volunteers participating in a controlled experiment recover from stressors significantly faster than the control group. The Adagio can be thought of as a new arrow in the Musicologist's quiver. It provides a new, unique way of viewing the psychological impact and esthetic effectiveness of music composition. Additionally, with the current worldwide access to multi-media via the internet, flow analysis can be performed and shared with others with little time and/or expense. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=musicology" title="musicology">musicology</a>, <a href="https://publications.waset.org/abstracts/search?q=music%20analysis" title=" music analysis"> music analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=music%20flow" title=" music flow"> music flow</a>, <a href="https://publications.waset.org/abstracts/search?q=music%20therapy" title=" music therapy"> music therapy</a> </p> <a href="https://publications.waset.org/abstracts/141154/flow-a-fourth-musical-element" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141154.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">177</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9232</span> Real Time Video Based Smoke Detection Using Double Optical Flow Estimation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anton%20Stadler">Anton Stadler</a>, <a href="https://publications.waset.org/abstracts/search?q=Thorsten%20Ike"> Thorsten Ike</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present a video based smoke detection algorithm based on TVL1 optical flow estimation. The main part of the algorithm is an accumulating system for motion angles and upward motion speed of the flow field. We optimized the usage of TVL1 flow estimation for the detection of smoke with very low smoke density. Therefore, we use adapted flow parameters and estimate the flow field on difference images. We show in theory and in evaluation that this improves the performance of smoke detection significantly. We evaluate the smoke algorithm using videos with different smoke densities and different backgrounds. We show that smoke detection is very reliable in varying scenarios. Further we verify that our algorithm is very robust towards crowded scenes disturbance videos. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low%20density" title="low density">low density</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20flow" title=" optical flow"> optical flow</a>, <a href="https://publications.waset.org/abstracts/search?q=upward%20smoke%20motion" title=" upward smoke motion"> upward smoke motion</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20based%20smoke%20detection" title=" video based smoke detection"> video based smoke detection</a> </p> <a href="https://publications.waset.org/abstracts/49542/real-time-video-based-smoke-detection-using-double-optical-flow-estimation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49542.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">355</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9231</span> Electrokinetic Transport of Power Law Fluid through Hydrophobic Micro-Slits</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ainul%20Haque">Ainul Haque</a>, <a href="https://publications.waset.org/abstracts/search?q=Ameeye%20Kumar%20Nayak"> Ameeye Kumar Nayak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Flow enhancement and species transport in a slit hydrophobic microchannel is studied for non-Newtonian fluids with the externally imposed electric field and pressure gradient. The incompressible Poisson-Nernst-Plank equations and the Navier-Stokes equations are approximated by lubrication theory to quantify the flow structure due to hydrophobic and hydrophilic surfaces. The analytical quantification of velocity and pressure of electroosmotic flow (EOF) is made with the numerical results due to the staggered grid based finite volume method for flow governing equations. The resistance force due to fluid friction and shear force along the surface are decreased by the hydrophobicity, enables the faster movement of fluid particles. The resulting flow enhancement factor Ef is increased with the low viscous fluid and provides maximum species transport. Also, the analytical comparison of EOF with pressure driven EOF justifies the flow enhancement due to hydrophobicity and shear impact on flow variation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electroosmotic%20flow" title="electroosmotic flow">electroosmotic flow</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrophobic%20surface" title=" hydrophobic surface"> hydrophobic surface</a>, <a href="https://publications.waset.org/abstracts/search?q=power-law%20fluid" title=" power-law fluid"> power-law fluid</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20effect" title=" shear effect"> shear effect</a> </p> <a href="https://publications.waset.org/abstracts/81689/electrokinetic-transport-of-power-law-fluid-through-hydrophobic-micro-slits" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81689.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">377</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9230</span> Optimization of Floor Heating System in the Incompressible Turbulent Flow Using Constructal Theory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20Farahmandfar">Karim Farahmandfar</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamidolah%20Izadi"> Hamidolah Izadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammadreza%20Rezaei"> Mohammadreza Rezaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Ardali"> Amin Ardali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ebrahim%20Goshtasbi%20Rad"> Ebrahim Goshtasbi Rad</a>, <a href="https://publications.waset.org/abstracts/search?q=Khosro%20Jafarpoor"> Khosro Jafarpoor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Statistics illustrates that the higher amount of annual energy consumption is related to surmounting the demand in buildings. Therefore, it is vital to economize the energy consumption and also find the solution with regard to this issue. One of the systems for the sake of heating the building is floor heating. As a matter of fact, floor heating performance is based on convection and radiation. Actually, in addition to creating a favorable heating condition, this method leads to energy saving. It is the goal of this article to outline the constructal theory and introduce the optimization method in branch networks for floor heating. There are several steps in order to gain this purpose. First of all, the pressure drop through the two points of the network is calculated. This pressure drop is as a function of pipes diameter and other parameters. After that, the amount of heat transfer is determined. Consequently, as a result of the combination of these two functions, the final function will be determined. It is necessary to mention that flow is laminar. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=constructal%20theory" title="constructal theory">constructal theory</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=floor%20heating%20system" title=" floor heating system"> floor heating system</a>, <a href="https://publications.waset.org/abstracts/search?q=turbulent%20flow" title=" turbulent flow"> turbulent flow</a> </p> <a href="https://publications.waset.org/abstracts/54375/optimization-of-floor-heating-system-in-the-incompressible-turbulent-flow-using-constructal-theory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54375.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">319</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9229</span> Creating Gameful Experience as an Innovative Approach in the Digital Era: A Double-Mediation Model of Instructional Support, Group Engagement and Flow</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mona%20Hoyng">Mona Hoyng</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In times of digitalization nowadays, the use of games became a crucial new way for digital game-based learning (DGBL) in higher education. In this regard, the development of a gameful experience (GE) among students is decisive when examining DGBL as the GE is a necessary precondition determining the effectiveness of games. In this regard, the purpose of this study is to provide deeper insights into the GE and to empirically investigate whether and how these meaningful learning experiences within games, i.e., GE, among students are created. Based on the theory of experience and flow theory, a double-mediation model was developed considering instructional support, group engagement, and flow as determinants of students’ GE. Based on data of 337 students taking part in a business simulation game at two different universities in Germany, regression-based statistical mediation analysis revealed that instructional support promoted students’ GE. This relationship was further sequentially double mediated by group engagement and flow. Consequently, in the context of DGBL, meaningful learning experiences within games in terms of GE are created and promoted through appropriate instructional support, as well as high levels of group engagement and flow among students. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gameful%20experience" title="gameful experience">gameful experience</a>, <a href="https://publications.waset.org/abstracts/search?q=instructional%20support" title=" instructional support"> instructional support</a>, <a href="https://publications.waset.org/abstracts/search?q=group%20engagement" title=" group engagement"> group engagement</a>, <a href="https://publications.waset.org/abstracts/search?q=flow" title=" flow"> flow</a>, <a href="https://publications.waset.org/abstracts/search?q=education" title=" education"> education</a>, <a href="https://publications.waset.org/abstracts/search?q=learning" title=" learning"> learning</a> </p> <a href="https://publications.waset.org/abstracts/132444/creating-gameful-experience-as-an-innovative-approach-in-the-digital-era-a-double-mediation-model-of-instructional-support-group-engagement-and-flow" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132444.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">136</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9228</span> A Fractional Derivative Model to Quantify Non-Darcy Flow in Porous and Fractured Media</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Golden%20J.%20Zhang">Golden J. Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongbao%20Zhou"> Dongbao Zhou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Darcy’s law is the fundamental theory in fluid dynamics and engineering applications. Although Darcy linearity was found to be valid for slow, viscous flow, non-linear and non-Darcian flow has been well documented under both small and large velocity fluid flow. Various classical models were proposed and used widely to quantify non-Darcian flow, including the well-known Forchheimer, Izbash, and Swartzendruber models. Applications, however, revealed limitations of these models. Here we propose a general model built upon the Caputo fractional derivative to quantify non-Darcian flow for various flows (laminar to turbulence).Real-world applications and model comparisons showed that the new fractional-derivative model, which extends the fractional model proposed recently by Zhou and Yang (2018), can capture the non-Darcian flow in the relatively small velocity in low-permeability deposits and the relatively high velocity in high-permeability sand. A scale effect was also identified for non-Darcian flow in fractured rocks. Therefore, fractional calculus may provide an efficient tool to improve classical models to quantify fluid dynamics in aquatic environments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fractional%20derivative" title="fractional derivative">fractional derivative</a>, <a href="https://publications.waset.org/abstracts/search?q=darcy%E2%80%99s%20law" title=" darcy’s law"> darcy’s law</a>, <a href="https://publications.waset.org/abstracts/search?q=non-darcian%20flow" title=" non-darcian flow"> non-darcian flow</a>, <a href="https://publications.waset.org/abstracts/search?q=fluid%20dynamics" title=" fluid dynamics"> fluid dynamics</a> </p> <a href="https://publications.waset.org/abstracts/154329/a-fractional-derivative-model-to-quantify-non-darcy-flow-in-porous-and-fractured-media" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154329.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">126</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9227</span> Influence of a Pulsatile Electroosmotic Flow on the Dispersivity of a Non-Reactive Solute through a Microcapillary</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jaime%20Mu%C3%B1oz">Jaime Muñoz</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Arcos"> José Arcos</a>, <a href="https://publications.waset.org/abstracts/search?q=Oscar%20Bautista%20Federico%20M%C3%A9ndez"> Oscar Bautista Federico Méndez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The influence of a pulsatile electroosmotic flow (PEOF) at the rate of spread, or dispersivity, for a non-reactive solute released in a microcapillary with slippage at the boundary wall (modeled by the Navier-slip condition) is theoretically analyzed. Based on the flow velocity field developed under such conditions, the present study implements an analytical scheme of scaling known as the Theory of Homogenization, in order to obtain a mathematical expression for the dispersivity, valid at a large time scale where the initial transients have vanished and the solute spreads under the Taylor dispersion influence. Our results show the dispersivity is a function of a slip coefficient, the amplitude of the imposed electric field, the Debye length and the angular Reynolds number, highlighting the importance of the latter as an enhancement/detrimental factor on the dispersivity, which allows to promote the PEOF as a strong candidate for chemical species separation at lab-on-a-chip devices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dispersivity" title="dispersivity">dispersivity</a>, <a href="https://publications.waset.org/abstracts/search?q=microcapillary" title=" microcapillary"> microcapillary</a>, <a href="https://publications.waset.org/abstracts/search?q=Navier-slip%20condition" title=" Navier-slip condition"> Navier-slip condition</a>, <a href="https://publications.waset.org/abstracts/search?q=pulsatile%20electroosmotic%20flow" title=" pulsatile electroosmotic flow"> pulsatile electroosmotic flow</a>, <a href="https://publications.waset.org/abstracts/search?q=Taylor%20dispersion" title=" Taylor dispersion"> Taylor dispersion</a>, <a href="https://publications.waset.org/abstracts/search?q=Theory%20of%20Homogenization" title=" Theory of Homogenization"> Theory of Homogenization</a> </p> <a href="https://publications.waset.org/abstracts/95021/influence-of-a-pulsatile-electroosmotic-flow-on-the-dispersivity-of-a-non-reactive-solute-through-a-microcapillary" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95021.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">215</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9226</span> Nonlinear Modelling and Analysis of Piezoelectric Smart Thin-Walled Structures in Supersonic Flow</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shu-Yang%20Zhang">Shu-Yang Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Shun-Qi%20Zhang"> Shun-Qi Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhan-Xi%20Wang"> Zhan-Xi Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xian-Sheng%20Qin"> Xian-Sheng Qin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thin-walled structures are used more and more widely in modern aircrafts and some other structures in aerospace field nowadays. Accompanied by the wider applications, the vibration of the structures has been a bigger problem. Because of the direct and converse piezoelectric effect, piezoelectric materials combined to host thin-walled structures, named as piezoelectric smart structures, can be an effective way to suppress the vibration. So, an accurate model for piezoelectric thin-walled structures in air flow is necessary and important. In our recent work, an electromechanical coupling nonlinear aerodynamic finite element model of piezoelectric smart thin-walled structures is built based on the Reissner-Mindlin plate theory and first-order piston theory for aerodynamic pressure of supersonic flow. Von Kármán type nonlinearity is considered in the present model. Finally, the model is validated by experimental and numerical results from the literature, which can describe the vibration of the structures in supersonic flow precisely. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=piezoelectric%20smart%20structures" title="piezoelectric smart structures">piezoelectric smart structures</a>, <a href="https://publications.waset.org/abstracts/search?q=aerodynamic" title=" aerodynamic"> aerodynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=geometric%20nonlinearity" title=" geometric nonlinearity"> geometric nonlinearity</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20analysis" title=" finite element analysis"> finite element analysis</a> </p> <a href="https://publications.waset.org/abstracts/72915/nonlinear-modelling-and-analysis-of-piezoelectric-smart-thin-walled-structures-in-supersonic-flow" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72915.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">389</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9225</span> Experiments of a Free Surface Flow in a Hydraulic Channel over an Uneven Bottom</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Bouinoun">M. Bouinoun</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Bouhadef"> M. Bouhadef </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study is concerned with the problem of determining the shape of the free surface flow in a hydraulic channel which has an uneven bottom. For the mathematical formulation of the problem, the fluid of the two-dimensional irrotational steady flow in water is assumed inviscid and incompressible. The solutions of the nonlinear problem are obtained by using the usual conformal mapping theory and Hilbert’s technique. An experimental study, for comparing the obtained results, has been conducted in a hydraulic channel (subcritical regime and supercritical regime). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=free-surface%20flow" title="free-surface flow">free-surface flow</a>, <a href="https://publications.waset.org/abstracts/search?q=experiments" title=" experiments"> experiments</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20method" title=" numerical method"> numerical method</a>, <a href="https://publications.waset.org/abstracts/search?q=uneven%20bottom" title=" uneven bottom"> uneven bottom</a>, <a href="https://publications.waset.org/abstracts/search?q=supercritical%20regime" title=" supercritical regime"> supercritical regime</a>, <a href="https://publications.waset.org/abstracts/search?q=subcritical%20regime" title=" subcritical regime"> subcritical regime</a> </p> <a href="https://publications.waset.org/abstracts/34224/experiments-of-a-free-surface-flow-in-a-hydraulic-channel-over-an-uneven-bottom" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34224.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">378</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9224</span> Application the Queuing Theory in the Warehouse Optimization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Masek">Jaroslav Masek</a>, <a href="https://publications.waset.org/abstracts/search?q=Juraj%20Camaj"> Juraj Camaj</a>, <a href="https://publications.waset.org/abstracts/search?q=Eva%20Nedeliakova"> Eva Nedeliakova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of optimization of store management is not only designing the situation of store management itself including its equipment, technology and operation. In optimization of store management we need to consider also synchronizing of technological, transport, store and service operations throughout the whole process of logistic chain in such a way that a natural flow of material from provider to consumer will be achieved the shortest possible way, in the shortest possible time in requested quality and quantity and with minimum costs. The paper deals with the application of the queuing theory for optimization of warehouse processes. The first part refers to common information about the problematic of warehousing and using mathematical methods for logistics chains optimization. The second part refers to preparing a model of a warehouse within queuing theory. The conclusion of the paper includes two examples of using queuing theory in praxis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=queuing%20theory" title="queuing theory">queuing theory</a>, <a href="https://publications.waset.org/abstracts/search?q=logistics%20system" title=" logistics system"> logistics system</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20methods" title=" mathematical methods"> mathematical methods</a>, <a href="https://publications.waset.org/abstracts/search?q=warehouse%20optimization" title=" warehouse optimization"> warehouse optimization</a> </p> <a href="https://publications.waset.org/abstracts/34523/application-the-queuing-theory-in-the-warehouse-optimization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34523.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">593</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9223</span> A Frictional-Collisional Closure Model for the Saturated Granular Flow: Experimental Evidence and Two Phase Modelling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yunhui%20Sun">Yunhui Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Qingquan%20Liu"> Qingquan Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaoliang%20Wang"> Xiaoliang Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dense granular flows widely exist in geological flows such as debris flow, landslide, or sheet flow, where both the interparticle and solid-liquid interactions are important to modify the flow. So, a two-phase approach with both phases correctly modelled is important for a better investigation of the saturated granular flows. However, a proper closure model covering a wide range of flowing states for the solid phase is still lacking. This study first employs a chute flow experiment based on the refractive index matching method, which makes it possible to obtain internal flow information such as velocity, shear rate, granular fluctuation, and volume fraction. The granular stress is obtained based on a steady assumption. The kinetic theory is found to describe the stress dependence on the flow state well. More importantly, the granular rheology is found to be frictionally dominated under weak shear and collisionally dominated under strong shear. The results presented thus provide direct experimental evidence on a possible frictional-collisional closure model for the granular phase. The data indicates that both frictional stresses exist over a wide range of the volume fraction, though traditional theory believes it vanishes below a critical volume fraction. Based on the findings, a two-phase model is used to simulate the chute flow. Both phases are modelled as continuum media, and the inter-phase interactions, such as drag force and pressure gradient force, are considered. The frictional-collisional model is used for the closure of the solid phase stress. The profiles of the kinematic properties agree well with the experiments. This model is further used to simulate immersed granular collapse, which is unsteady in nature, to study the applicability of this model, which is derived from steady flow. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=closure%20model" title="closure model">closure model</a>, <a href="https://publications.waset.org/abstracts/search?q=collision" title=" collision"> collision</a>, <a href="https://publications.waset.org/abstracts/search?q=friction" title=" friction"> friction</a>, <a href="https://publications.waset.org/abstracts/search?q=granular%20flow" title=" granular flow"> granular flow</a>, <a href="https://publications.waset.org/abstracts/search?q=two-phase%20model" title=" two-phase model"> two-phase model</a> </p> <a href="https://publications.waset.org/abstracts/179382/a-frictional-collisional-closure-model-for-the-saturated-granular-flow-experimental-evidence-and-two-phase-modelling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179382.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">59</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9222</span> Exploring the Compatibility of The Rhizome and Complex Adaptive System (CAS) Theory as a Hybrid Urban Strategy Via Aggregation, Nonlinearity, and Flow</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sudaff%20Mohammed">Sudaff Mohammed</a>, <a href="https://publications.waset.org/abstracts/search?q=Wahda%20Shuker%20Al-Hinkawi"> Wahda Shuker Al-Hinkawi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nada%20Abdulmueen%20Hasan"> Nada Abdulmueen Hasan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The compatibility of the Rhizome and Complex Adaptive system theory as a strategy within the urban context is the essential interest of this paper since there are only a few attempts to establish a hybrid, multi-scalar, and developable strategy based on the concept of the Rhizome and the CAS theory. This paper aims to establish a Rhizomic CAS strategy for different urban contexts by investigating the principles, characteristics, properties, and mechanisms of Rhizome and Complex Adaptive Systems. The research focused mainly on analyzing three properties: aggregation, non-linearity, and flow through the lens of Rhizome, Rhizomatization of CAS properties. The most intriguing result is that the principal and well-investigated characteristics of Complex Adaptive systems can be ‘Rhizomatized’ in two ways; highlighting commonalities between Rhizome and Complex Adaptive systems in addition to using Rhizome-related concepts. This paper attempts to emphasize the potency of the Rhizome as an apparently stochastic and barely anticipatable structure that can be developed to analyze cities of distinctive contexts for formulating better customized urban strategies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rhizome" title="rhizome">rhizome</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20adaptive%20system%20%28CAS%29" title=" complex adaptive system (CAS)"> complex adaptive system (CAS)</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20Theory" title=" system Theory"> system Theory</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20system" title=" urban system"> urban system</a>, <a href="https://publications.waset.org/abstracts/search?q=rhizomatic%20CAS" title=" rhizomatic CAS"> rhizomatic CAS</a>, <a href="https://publications.waset.org/abstracts/search?q=assemblage" title=" assemblage"> assemblage</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20occupation%20impulses%20%28HOI%29" title=" human occupation impulses (HOI)"> human occupation impulses (HOI)</a> </p> <a href="https://publications.waset.org/abstracts/186434/exploring-the-compatibility-of-the-rhizome-and-complex-adaptive-system-cas-theory-as-a-hybrid-urban-strategy-via-aggregation-nonlinearity-and-flow" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186434.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">42</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9221</span> Numerical Simulation of Erosion Control in Slurry Pump Casing by Geometrical Flow Pattern Modification Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20R.%20Momeninezhad">A. R. Momeninezhad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Erosion of Slurry Pumps in Related Industries, is one of the major costs in their production process. Many factories in extractive industries try to find ways to diminish this cost. In this paper, we consider the flow pattern modifications by geometric variations made of numerical simulation of flow inside pump casing, which is one of the most important parts analyzed for erosion. The mentioned pump is a cyclone centrifugal slurry pump, which is operating in Sarcheshmeh Copper Industries in Kerman-Iran, named and tagged as HM600 cyclone pump. Simulation shows many improvements in local wear information and situations for better and more qualified design of casing shape and impeller position, before and after geometric corrections. By theory of liquid-solid two-phase flow, the local wear defeats are analyzed and omitted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow%20pattern" title="flow pattern">flow pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=slurry%20pump" title=" slurry pump"> slurry pump</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear"> wear</a> </p> <a href="https://publications.waset.org/abstracts/24651/numerical-simulation-of-erosion-control-in-slurry-pump-casing-by-geometrical-flow-pattern-modification-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24651.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">457</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9220</span> The Applications of Four Fingers Theory: The Proof of 66 Acupoints under the Human Elbow and Knee</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chih-I.%20Tsai">Chih-I. Tsai</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Chien.%20Lin"> Yu-Chien. Lin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Through experiences of clinical practices, it is discovered that locations on the body at a level of four fingerbreadth above and below the joints are the points at which muscles connect to tendons, and since the muscles and tendons possess opposite characteristics, muscles are full of blood but lack qi, while tendons are full of qi but lack blood, these points on our body become easily blocked. It is proposed that through doing acupuncture or creating localized pressure to the areas four fingerbreadths above and below our joints, with an elastic bandage, we could help the energy, also known as qi, to flow smoothly in our body and further improve our health. Based on the Four Fingers Theory, we understand that human height is 22 four fingerbreadths. In addition, qi and blood travel through 24 meridians, 50 times each day, and they flow through 6 cun with every human breath. We can also understand the average number of human heartbeats is 75 times per minute. And the function of qi-blood circulation system in Traditional Chinese Medicine is the same as the blood circulation in Western Medical Science. Informed by Four Fingers Theory, this study further examined its applications in acupuncture practices. The research question is <em>how</em> Four Fingers Theory proves what has been mentioned in<em> Nei Jing</em> that there are 66 acupoints under a human’s elbow and knee. In responding to the research question, there are 66 acupoints under a human’s elbow and knee. Four Fingers Theory facilitated the creation of the acupuncture naming and teaching system. It is expected to serve as an approachable and effective way to deliver knowledge of acupuncture to the public worldwide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=four%20fingers%20theory" title="four fingers theory">four fingers theory</a>, <a href="https://publications.waset.org/abstracts/search?q=meridians%20circulation" title=" meridians circulation"> meridians circulation</a>, <a href="https://publications.waset.org/abstracts/search?q=66%20acupoints%20under%20human%20elbow%20and%20knee" title=" 66 acupoints under human elbow and knee"> 66 acupoints under human elbow and knee</a>, <a href="https://publications.waset.org/abstracts/search?q=acupuncture" title=" acupuncture"> acupuncture</a> </p> <a href="https://publications.waset.org/abstracts/51771/the-applications-of-four-fingers-theory-the-proof-of-66-acupoints-under-the-human-elbow-and-knee" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51771.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">296</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9219</span> An Experimental Study on Heat and Flow Characteristics of Water Flow in Microtube</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zeynep%20K%C3%BC%C3%A7%C3%BCkak%C3%A7a">Zeynep Küçükakça</a>, <a href="https://publications.waset.org/abstracts/search?q=Nezaket%20Parlak"> Nezaket Parlak</a>, <a href="https://publications.waset.org/abstracts/search?q=Mesut%20G%C3%BCr"> Mesut Gür</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahsin%20Engin"> Tahsin Engin</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasan%20K%C3%BC%C3%A7%C3%BCk"> Hasan Küçük</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the current research, the single phase fluid flow and heat transfer characteristics are experimentally investigated. The experiments are conducted to cover transition zone for the Reynolds numbers ranging from 100 to 4800 by fused silica and stainless steel microtubes having diameters of 103-180 µm. The applicability of the Logarithmic Mean Temperature Difference (LMTD) method is revealed and an experimental method is developed to calculate the heat transfer coefficient. Heat transfer is supplied by a water jacket surrounding the microtubes and heat transfer coefficients are obtained by LMTD method. The results are compared with data obtained by the correlations available in the literature in the study. The experimental results indicate that the Nusselt numbers of microtube flows do not accord with the conventional results when the Reynolds number is lower than 1000. After that, the Nusselt number approaches the conventional theory prediction. Moreover, the scaling effects in micro scale such as axial conduction, viscous heating and entrance effects are discussed. On the aspect of fluid characteristics, the friction factor is well predicted with conventional theory and the conventional friction prediction is valid for water flow through microtube with a relative surface roughness less than about 4 %. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microtube" title="microtube">microtube</a>, <a href="https://publications.waset.org/abstracts/search?q=laminar%20flow" title=" laminar flow"> laminar flow</a>, <a href="https://publications.waset.org/abstracts/search?q=friction%20factor" title=" friction factor"> friction factor</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20transfer" title=" heat transfer"> heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=LMTD%20method" title=" LMTD method"> LMTD method</a> </p> <a href="https://publications.waset.org/abstracts/34123/an-experimental-study-on-heat-and-flow-characteristics-of-water-flow-in-microtube" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34123.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">460</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9218</span> The Theory of Relativity (K)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Vladimirovich%20Kuzminov">Igor Vladimirovich Kuzminov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The proposed article is an alternative version of the Theory of Relativity. The version is based on the concepts of classical Newtonian physics and does not deny the existing calculation base. The proposed theory completely denies Einstein's existing Theory of Relativity. The only thing that connects these theories is that the proposed theory is also built on postulates. The proposed theory is intended to establish the foundation of classical Newtonian physics. The proposed theory is intended to establish continuity in the development of the fundamentals of physics and is intended to eliminate all kinds of speculation in explanations of physical phenomena. An example of such speculation is Einstein's Theory of Relativity (E). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=the%20theory%20of%20relativity" title="the theory of relativity">the theory of relativity</a>, <a href="https://publications.waset.org/abstracts/search?q=postulates%20of%20the%20theory%20of%20relativity" title=" postulates of the theory of relativity"> postulates of the theory of relativity</a>, <a href="https://publications.waset.org/abstracts/search?q=criticism%20of%20Einstein%27s%20theory" title=" criticism of Einstein's theory"> criticism of Einstein's theory</a>, <a href="https://publications.waset.org/abstracts/search?q=classical%20physics" title=" classical physics"> classical physics</a> </p> <a href="https://publications.waset.org/abstracts/188535/the-theory-of-relativity-k" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188535.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">52</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9217</span> Gaussian Particle Flow Bernoulli Filter for Single Target Tracking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyeongbok%20Kim">Hyeongbok Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Lingling%20Zhao"> Lingling Zhao</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaohong%20Su"> Xiaohong Su</a>, <a href="https://publications.waset.org/abstracts/search?q=Junjie%20Wang"> Junjie Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Bernoulli filter is a precise Bayesian filter for single target tracking based on the random finite set theory. The standard Bernoulli filter often underestimates the number of targets. This study proposes a Gaussian particle flow (GPF) Bernoulli filter employing particle flow to migrate particles from prior to posterior positions to improve the performance of the standard Bernoulli filter. By employing the particle flow filter, the computational speed of the Bernoulli filters is significantly improved. In addition, the GPF Bernoulli filter provides a more accurate estimation compared with that of the standard Bernoulli filter. Simulation results confirm the improved tracking performance and computational speed in two- and three-dimensional scenarios compared with other algorithms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bernoulli%20filter" title="Bernoulli filter">Bernoulli filter</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20filter" title=" particle filter"> particle filter</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20flow%20filter" title=" particle flow filter"> particle flow filter</a>, <a href="https://publications.waset.org/abstracts/search?q=random%20finite%20sets" title=" random finite sets"> random finite sets</a>, <a href="https://publications.waset.org/abstracts/search?q=target%20tracking" title=" target tracking"> target tracking</a> </p> <a href="https://publications.waset.org/abstracts/162210/gaussian-particle-flow-bernoulli-filter-for-single-target-tracking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162210.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">92</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9216</span> Evaluation of Urban-Rural Integration of Characteristic Towns in Yunnan Province</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huang%20Yong">Huang Yong</a>, <a href="https://publications.waset.org/abstracts/search?q=Chen%20Qianting"> Chen Qianting</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhao%20Shurong"> Zhao Shurong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to identify the role and effect of Characteristic Towns as an important means to promote urban-rural integration, this paper uses Flow Theory and complex network analysis methods to jointly construct the identification path of urban-rural integration capabilities of Characteristic Towns. Take the National Characteristic Towns of Yunnan Province as the empirical objects to identify their role laws. The study found that in the implementation of the National Characteristic Town Project in Yunnan Province, (1) the population is more susceptible to the impact of the Characteristic Town Project than the technical elements, but the stability is poor; (2) The flow capacity of urban and rural technical elements is weak, and the quality of the enterprise cooperation network in general; (3) Compared with the batch of Characteristic Towns in 2016, its ability to promote urban-rural integration is higher in 2017; (4) The role of the Characteristic Town Project on urban-rural integration focuses on the improvement of the number of urban and rural flow elements. This paper analyzes the mode of the role of Characteristic Towns on urban-rural integration from the perspective of ‘flow,’ establishes a research paradigm for evaluating the role of Characteristic Towns in urban-rural integration capabilities, and builds a path for the application of Characteristic Towns to support the realization of urban-rural integration goals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characteristic%20town" title="characteristic town">characteristic town</a>, <a href="https://publications.waset.org/abstracts/search?q=urban-rural%20integration" title=" urban-rural integration"> urban-rural integration</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20theory" title=" flow theory"> flow theory</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20network%20analysis" title=" complex network analysis"> complex network analysis</a> </p> <a href="https://publications.waset.org/abstracts/152072/evaluation-of-urban-rural-integration-of-characteristic-towns-in-yunnan-province" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152072.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">139</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9215</span> Study of Evaluation Model Based on Information System Success Model and Flow Theory Using Web-scale Discovery System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=June-Jei%20Kuo">June-Jei Kuo</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-Chuan%20Hsieh"> Yi-Chuan Hsieh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Because of the rapid growth of information technology, more and more libraries introduce the new information retrieval systems to enhance the users’ experience, improve the retrieval efficiency, and increase the applicability of the library resources. Nevertheless, few of them are discussed the usability from the users’ aspect. The aims of this study are to understand that the scenario of the information retrieval system utilization, and to know why users are willing to continuously use the web-scale discovery system to improve the web-scale discovery system and promote their use of university libraries. Besides of questionnaires, observations and interviews, this study employs both Information System Success Model introduced by DeLone and McLean in 2003 and the flow theory to evaluate the system quality, information quality, service quality, use, user satisfaction, flow, and continuing to use web-scale discovery system of students from National Chung Hsing University. Then, the results are analyzed through descriptive statistics and structural equation modeling using AMOS. The results reveal that in web-scale discovery system, the user’s evaluation of system quality, information quality, and service quality is positively related to the use and satisfaction; however, the service quality only affects user satisfaction. User satisfaction and the flow show a significant impact on continuing to use. Moreover, user satisfaction has a significant impact on user flow. According to the results of this study, to maintain the stability of the information retrieval system, to improve the information content quality, and to enhance the relationship between subject librarians and students are recommended for the academic libraries. Meanwhile, to improve the system user interface, to minimize layer from system-level, to strengthen the data accuracy and relevance, to modify the sorting criteria of the data, and to support the auto-correct function are required for system provider. Finally, to establish better communication with librariana commended for all users. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=web-scale%20discovery%20system" title="web-scale discovery system">web-scale discovery system</a>, <a href="https://publications.waset.org/abstracts/search?q=discovery%20system" title=" discovery system"> discovery system</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20system%20success%20model" title=" information system success model"> information system success model</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20theory" title=" flow theory"> flow theory</a>, <a href="https://publications.waset.org/abstracts/search?q=academic%20library" title=" academic library"> academic library</a> </p> <a href="https://publications.waset.org/abstracts/119923/study-of-evaluation-model-based-on-information-system-success-model-and-flow-theory-using-web-scale-discovery-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119923.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">103</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9214</span> Flow Duration Curve Method to Evaluate Environmental Flow: Case Study of Gharasou River, Ardabil, Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Fuladipanah">Mehdi Fuladipanah</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Jorabloo"> Mehdi Jorabloo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water flow management is one of the most important parts of river engineering. Non-uniformity distribution of rainfall and various flow demand with unreasonable flow management will be caused destroyed of river ecosystem. Then, it is very serious to determine ecosystem flow requirement. In this paper, flow duration curve indices method which has hydrological based was used to evaluate environmental flow in Gharasou River, Ardabil, Iran. Using flow duration curve, Q90 and Q95 for different return periods were calculated. Their magnitude were determined as 1-day, 3-day, 7-day, and 30 day. According the second method, hydraulic alteration indices often had low and medium range. In order to maintain river at an acceptable ecological condition, minimum daily discharge of index Q95 is 0.7 m3.s-1. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ardabil" title="ardabil">ardabil</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20flow" title=" environmental flow"> environmental flow</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20duration%20curve" title=" flow duration curve"> flow duration curve</a>, <a href="https://publications.waset.org/abstracts/search?q=Gharasou%20river" title=" Gharasou river"> Gharasou river</a> </p> <a href="https://publications.waset.org/abstracts/22653/flow-duration-curve-method-to-evaluate-environmental-flow-case-study-of-gharasou-river-ardabil-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22653.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">683</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9213</span> Enhanced Water Vapor Flow in Silica Microtubes Explained by Maxwell’s Tangential Momentum Accommodation and Langmuir’s Adsorption</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wenwen%20Lei">Wenwen Lei</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20R.%20Mckenzie"> David R. Mckenzie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recent findings of anomalously high gas flow rates in carbon nanotubes show smooth hydrophobic walls can increase specular reflection of molecules and reduce the tangential momentum accommodation coefficient (TMAC). Here we report the first measurements of water vapor flows in microtubes over a wide humidity range and show that for hydrophobic silica there is a range of humidity over which an adsorbed water layer reduces TMAC and accelerates flow. Our results show that this association between hydrophobicity and accelerated moisture flow occurs in readily available materials. We develop a hierarchical theory that unifies Maxwell’s ideas on TMAC with Langmuir’s ideas on adsorption. We fit the TMAC data as a function of humidity with the hierarchical theory based on two stages of Langmuir adsorption and derive total adsorption isotherms for water on hydrophobic silica that agree with direct observations. We propose structures for each stage of the water adsorption, the first reducing TMAC by a passivation of adsorptive patches and a smoothing of the surface, the second resembling bulk water with large TMAC. We find that leak testing of moisture barriers with an ideal gas such as helium may not be accurate enough for critical applications and that direct measurements of the water leak rate should be made. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=water%20vapor%20flows" title="water vapor flows">water vapor flows</a>, <a href="https://publications.waset.org/abstracts/search?q=silica%20microtubes" title=" silica microtubes"> silica microtubes</a>, <a href="https://publications.waset.org/abstracts/search?q=TMAC" title=" TMAC"> TMAC</a>, <a href="https://publications.waset.org/abstracts/search?q=enhanced%20flow%20rates" title=" enhanced flow rates"> enhanced flow rates</a> </p> <a href="https://publications.waset.org/abstracts/30496/enhanced-water-vapor-flow-in-silica-microtubes-explained-by-maxwells-tangential-momentum-accommodation-and-langmuirs-adsorption" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30496.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">275</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9212</span> Investigation Effect of External Flow to Exhaust Gas Flow at Heavy Commercial Vehicle with CFD</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Kanta%C5%9F">F. Kantaş</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Boyac%C4%B1"> D. Boyacı</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Din%C3%A7"> C. Dinç </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Exhaust systems plays an important role in thermal heat management. Exhaust manifold picks burned gas from engine and exhaust pipes transmit exhaust gas to muffler, exhaust gas is reacted chemically to avoid noxious gas and sound is reduced in muffler then gas is threw out with tail pipe from muffler. Exhaust gas flows out from tail pipe and this hot gas flows to many parts that available around tail pipe and muffler, like spare tire, transmission, pipes etc. These parts are heated by hot exhaust gas. Also vehicle on ride, external flow effects exhaust gas flow and exhaust gas behavior is changed. It's impossible to understand which parts are heated by hot exhaust gas in tests. To understand this phenomena, exhaust gas flow is solved in CFD also external flow due to vehicle movement must be solved with exhaust gas flow. Because external flow effects exhaust gas flow behavior with many parameters. This paper investigates external flow effects exhaust gas flow behavior and other critical parameters effect exhaust gas flow behavior, like different tail pipe design, exhaust gas mass flow in critic vehicle driving situations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=exhaust" title="exhaust">exhaust</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20flow" title=" gas flow"> gas flow</a>, <a href="https://publications.waset.org/abstracts/search?q=vehicle" title=" vehicle"> vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=external%20flow" title=" external flow "> external flow </a> </p> <a href="https://publications.waset.org/abstracts/17975/investigation-effect-of-external-flow-to-exhaust-gas-flow-at-heavy-commercial-vehicle-with-cfd" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17975.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">448</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9211</span> Measurement of Reverse Flow Generated at Cold Exit of Vortex Tube </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Hazwan%20bin%20Yusof">Mohd Hazwan bin Yusof</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroshi%20Katanoda"> Hiroshi Katanoda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to clarify the structure of the cold flow discharged from the vortex tube (VT), the pressure of the cold flow was measured, and a simple flow visualization technique using a 0.75 mm-diameter needle and an oily paint is made to study the reverse flow at the cold exit. It is clear that a negative pressure and positive pressure region exist at a certain pressure and cold fraction area, and that a reverse flow is observed in the negative pressure region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow%20visualization" title="flow visualization">flow visualization</a>, <a href="https://publications.waset.org/abstracts/search?q=pressure%20measurement" title=" pressure measurement"> pressure measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=reverse%20flow" title=" reverse flow"> reverse flow</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex%20tube" title=" vortex tube"> vortex tube</a> </p> <a href="https://publications.waset.org/abstracts/10289/measurement-of-reverse-flow-generated-at-cold-exit-of-vortex-tube" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10289.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">519</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9210</span> The Role of Piaget's Theory in Conjecture via Analogical Reasoning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Supratman%20Ahman%20Maedi">Supratman Ahman Maedi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The construction of knowledge is the goal of learning. The purpose of this research is to know how the role of Piaget theory in allegation via analogy reasoning. This study uses Think out loads when troubleshooting. To explore conjecturing via analogical reasoning is given the question of open analogy. The result: conjecture via analogical reasoning has been done by students in the construction of knowledge, in conjecture there are differences in thinking flow depending on the basic knowledge of the students, in the construction of knowledge occurs assimilation and accommodation problems, strategies and relationships. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analogical%20reasoning" title="analogical reasoning">analogical reasoning</a>, <a href="https://publications.waset.org/abstracts/search?q=conjecturing" title=" conjecturing"> conjecturing</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20construction" title=" knowledge construction"> knowledge construction</a>, <a href="https://publications.waset.org/abstracts/search?q=Piaget%27s%20theory" title=" Piaget's theory"> Piaget's theory</a> </p> <a href="https://publications.waset.org/abstracts/76360/the-role-of-piagets-theory-in-conjecture-via-analogical-reasoning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76360.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">324</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=flow%20theory&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=flow%20theory&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=flow%20theory&page=4">4</a></li> <li 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