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skeleton</title> <meta name="description" content="Search results for: hydrostatic skeleton"> <meta name="keywords" content="hydrostatic skeleton"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="hydrostatic skeleton"> <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> 143</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: hydrostatic skeleton</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">143</span> Biomechanical Perspectives on the Urinary Bladder: Insights from the Hydrostatic Skeleton Concept</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Vishnevskyi">Igor Vishnevskyi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: The urinary bladder undergoes repeated strain during its working cycle, suggesting the presence of an efficient support system, force transmission, and mechanical amplification. The concept of a "hydrostatic skeleton" (HS) could contribute to our understanding of the functional relationships among bladder constituents. Methods: A multidisciplinary literature review was conducted to identify key features of the HS and to gather evidence supporting its applicability in urinary bladder biomechanics. The collected evidence was synthesized to propose a framework for understanding the potential hydrostatic properties of the urinary bladder based on existing knowledge and HS principles. Results: Our analysis revealed similarities in biomechanical features between living fluid-filled structures and the urinary bladder. These similarities include the geodesic arrangement of fibres, the role of enclosed fluid (urine) in force transmission, prestress as a determinant of stiffness, and the ability to maintain shape integrity during various activities. From a biomechanical perspective, urine may be considered an essential component of the bladder. The hydrostatic skeleton, with its autonomy and flexibility, may provide insights for researchers involved in bladder engineering. Discussion: The concept of a hydrostatic skeleton offers a holistic perspective for understanding bladder function by considering multiple mechanical factors as a single structure with emergent properties. Incorporating viewpoints from various fields on HS can help identify how this concept applies to live fluid-filled structures or organs and reveal its broader relevance to biological systems, both natural and artificial. Conclusion: The hydrostatic skeleton (HS) design principle can be applied to the urinary bladder. Understanding the bladder as a structure with HS can be instrumental in biomechanical modelling and engineering. Further research is required to fully elucidate the cellular and molecular mechanisms underlying HS in the bladder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydrostatic%20skeleton" title="hydrostatic skeleton">hydrostatic skeleton</a>, <a href="https://publications.waset.org/abstracts/search?q=urinary%20bladder%20morphology" title=" urinary bladder morphology"> urinary bladder morphology</a>, <a href="https://publications.waset.org/abstracts/search?q=shape%20integrity" title=" shape integrity"> shape integrity</a>, <a href="https://publications.waset.org/abstracts/search?q=prestress" title=" prestress"> prestress</a>, <a href="https://publications.waset.org/abstracts/search?q=biomechanical%20modelling" title=" biomechanical modelling"> biomechanical modelling</a> </p> <a href="https://publications.waset.org/abstracts/166783/biomechanical-perspectives-on-the-urinary-bladder-insights-from-the-hydrostatic-skeleton-concept" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166783.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">78</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">142</span> Effect of Hydrostatic Stress on Yield Behavior of the High Density Polyethylene</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Hachour">Kamel Hachour</a>, <a href="https://publications.waset.org/abstracts/search?q=Lydia%20Sadeg"> Lydia Sadeg</a>, <a href="https://publications.waset.org/abstracts/search?q=Djamel%20Sersab"> Djamel Sersab</a>, <a href="https://publications.waset.org/abstracts/search?q=Tassadit%20Bellahcen"> Tassadit Bellahcen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The hydrostatic stress is, for polymers, a significant parameter which affects the yield behavior of these materials. In this work, we investigate the influence of this parameter on yield behavior of the high density polyethylene (hdpe). Some tests on specimens with diverse geometries are described in this paper. Uniaxial tests: tensile on notched round bar specimens with different curvature radii, compression on cylindrical specimens and simple shear on parallelepiped specimens were performed. Biaxial tests with various combinations of tensile/compressive and shear loading on butterfly specimens were also realized in order to determine the hydrostatic stress for different states of solicitation. The experimental results show that the yield stress is very affected by the hydrostatic stress developed in the material during solicitations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biaxial%20tests" title="biaxial tests">biaxial tests</a>, <a href="https://publications.waset.org/abstracts/search?q=hdpe" title=" hdpe"> hdpe</a>, <a href="https://publications.waset.org/abstracts/search?q=Hydrostatic%20stress" title=" Hydrostatic stress"> Hydrostatic stress</a>, <a href="https://publications.waset.org/abstracts/search?q=yield%20behavior" title=" yield behavior"> yield behavior</a> </p> <a href="https://publications.waset.org/abstracts/28124/effect-of-hydrostatic-stress-on-yield-behavior-of-the-high-density-polyethylene" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28124.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">141</span> Assessment of the High-Speed Ice Friction of Bob Skeleton Runners</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Agata%20Tomaszewska">Agata Tomaszewska</a>, <a href="https://publications.waset.org/abstracts/search?q=Timothy%20Kamps"> Timothy Kamps</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephan%20R.%20Turnock"> Stephan R. Turnock</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicola%20Symonds"> Nicola Symonds</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bob skeleton is a highly competitive sport in which an athlete reaches speeds up to 40 m/s sliding, head first, down an ice track. It is believed that the friction between the runners and ice significantly contributes to the amount of the total energy loss during a bob skeleton descent. There is only limited available experimental data regarding the friction of bob skeleton runners or indeed steel on the ice at high sliding speeds ( > 20 m/s). Testing methods used to investigate the friction of steel on ice in winter sports have been outlined, and their accuracy and repeatability discussed. A system thinking approach was used to investigate the runner-ice interaction during sliding and create concept designs of three ice tribometers. The operational envelope of the bob skeleton system has been defined through mathematical modelling. Designs of a drum, linear and inertia pin-on-disk tribometers were developed specifically for bob skeleton runner testing with the requirement of reaching up to 40 m/s speed and facilitate fresh ice sliding. The design constraints have been outline and the proposed solutions compared based on the ease of operation, accuracy and the development cost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bob%20skeleton" title="bob skeleton">bob skeleton</a>, <a href="https://publications.waset.org/abstracts/search?q=ice%20friction" title=" ice friction"> ice friction</a>, <a href="https://publications.waset.org/abstracts/search?q=high-speed%20tribometers" title=" high-speed tribometers"> high-speed tribometers</a>, <a href="https://publications.waset.org/abstracts/search?q=sliding%20friction" title=" sliding friction"> sliding friction</a> </p> <a href="https://publications.waset.org/abstracts/72268/assessment-of-the-high-speed-ice-friction-of-bob-skeleton-runners" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72268.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">261</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">140</span> Linkage between Trace Element Distribution and Growth Ring Formation in Japanese Red Coral (Paracorallium japonicum)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luan%20Trong%20Nguyen">Luan Trong Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Azizur%20Rahman"> M. Azizur Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusuke%20Tamenori"> Yusuke Tamenori</a>, <a href="https://publications.waset.org/abstracts/search?q=Toshihiro%20Yoshimura"> Toshihiro Yoshimura</a>, <a href="https://publications.waset.org/abstracts/search?q=Nozomu%20Iwasaki"> Nozomu Iwasaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroshi%20Hasegawa"> Hiroshi Hasegawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigated the distribution of magnesium (Mg), phosphorus (P), sulfur (S) and strontium (Sr) using micro X-ray fluorescence (µ-XRF) along the annual growth rings in the skeleton of Japanese red coral Paracorallium japonicum. The Mg, P and S distribution in µ-XRF mapping images correspond to the dark and light bands along the annual growth rings observed in microscopic images of the coral skeleton. The µ-XRF mapping data showed a positive correlation (r = 0.6) between P and S distribution in the coral skeleton. A contrasting distribution pattern of S and Mg along the axial skeleton of P. japonicum indicates a weak negative correlation (r = -0.2) between these two trace elements. The distribution pattern of S, P and Mg reveals linkage between their distributions and the formation of dark/light bands along the annual growth rings in the axial skeleton of P. japonicum. Sulfur and P were distributed in the organic matrix rich dark bands, while Mg was distributed in the light bands of the annual growth rings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C2%B5-XRF" title="µ-XRF">µ-XRF</a>, <a href="https://publications.waset.org/abstracts/search?q=trace%20element" title=" trace element"> trace element</a>, <a href="https://publications.waset.org/abstracts/search?q=precious%20coral" title=" precious coral"> precious coral</a>, <a href="https://publications.waset.org/abstracts/search?q=Paracorallium%20japonicum" title=" Paracorallium japonicum"> Paracorallium japonicum</a> </p> <a href="https://publications.waset.org/abstracts/4207/linkage-between-trace-element-distribution-and-growth-ring-formation-in-japanese-red-coral-paracorallium-japonicum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4207.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">443</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">139</span> Mechanical Properties, Vibrational Response and Flow-Field Analysis of Staghorn Coral Skeleton, Acropora cervicornis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alejandro%20Carrasco-Pena">Alejandro Carrasco-Pena</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20Omer"> Mahmoud Omer</a>, <a href="https://publications.waset.org/abstracts/search?q=Nina%20Orlovskaya"> Nina Orlovskaya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The results of studies of microstructure, mechanical behavior, vibrational response, and flow field analysis of critically endangered staghorn coral (Acropora cervicornis) skeletons are reported. The CaCO₃ aragonite structure of a chemically-cleaned coral skeleton of A. cervicornis was studied by optical microscopy and computer tomography. The mechanical behavior was studied using uniaxial compression and Vickers hardness technique. The average maximum stress measured during skeleton uniaxial compression was 10.7 ± 2.24 MPa and Vickers hardness was 3.56 ± 0.31 GPa. The vibrational response of the aragonite structure was studied by micro-Raman spectroscopy, which showed a substantial dependence of the structure on applied compressive stress. The flow-field around a single coral skeleton forming vortices in the wake of the moving skeleton was measured using Particle Image Velocimetry (PIV). The results are important for further analysis of time-dependent mechanical fatigue behavior and predicting the lifetime of staghorn corals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=failure" title="failure">failure</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a>, <a href="https://publications.waset.org/abstracts/search?q=Raman%20spectroscopy" title=" Raman spectroscopy"> Raman spectroscopy</a> </p> <a href="https://publications.waset.org/abstracts/108257/mechanical-properties-vibrational-response-and-flow-field-analysis-of-staghorn-coral-skeleton-acropora-cervicornis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108257.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">155</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">138</span> A Parallel Poromechanics Finite Element Method (FEM) Model for Reservoir Analyses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Henrique%20C.%20C.%20Andrade">Henrique C. C. Andrade</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Beatriz%20C.%20G.%20Silva"> Ana Beatriz C. G. Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernando%20Luiz%20B.%20Ribeiro"> Fernando Luiz B. Ribeiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Maghous"> Samir Maghous</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20Claudio%20F.%20Telles"> Jose Claudio F. Telles</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20M.%20R.%20Fairbairn"> Eduardo M. R. Fairbairn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present paper aims at developing a parallel computational model for numerical simulation of poromechanics analyses of heterogeneous reservoirs. In the context of macroscopic poroelastoplasticity, the hydromechanical coupling between the skeleton deformation and the fluid pressure is addressed by means of two constitutive equations. The first state equation relates the stress to skeleton strain and pore pressure, while the second state equation relates the Lagrangian porosity change to skeleton volume strain and pore pressure. A specific algorithm for local plastic integration using a tangent operator is devised. A modified Cam-clay type yield surface with associated plastic flow rule is adopted to account for both contractive and dilative behavior. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title="finite element method">finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=poromechanics" title=" poromechanics"> poromechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=poroplasticity" title=" poroplasticity"> poroplasticity</a>, <a href="https://publications.waset.org/abstracts/search?q=reservoir%20analysis" title=" reservoir analysis"> reservoir analysis</a> </p> <a href="https://publications.waset.org/abstracts/65748/a-parallel-poromechanics-finite-element-method-fem-model-for-reservoir-analyses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65748.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">391</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">137</span> Analysis of Heat Transfer and Energy Saving Characteristics for Bobsleigh/Skeleton Ice Track</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zichu%20Liu">Zichu Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhenhua%20Quan"> Zhenhua Quan</a>, <a href="https://publications.waset.org/abstracts/search?q=Xin%20Liu"> Xin Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yaohua%20Zhao"> Yaohua Zhao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Enhancing the heat transfer characteristics of the bobsleigh/skeleton ice track and reducing the energy consumption of the bobsleigh/skeleton ice track plays an important role in energy saving of the refrigeration systems. In this study, a track ice-making test rig was constructed to verify the accuracy of the established ice track heat transfer model. The different meteorological conditions on the variations in the heat transfer characteristics of the ice surface, ice temperature, and evaporation temperature with or without Terrain Weather Protection System (TWPS) were investigated, and the influence of the TWPS with and without low emissivity materials on these indexes was also compared. In addition, the influence of different pipe spacing and diameters of refrigeration pipe on the heat transfer resistance of the track is also analyzed. The results showed that compared with the ice track without sunshade facilities, TWPS could reduce the heat transfer between ice surface and air by 17.6% in the transition season, and TWPS with low emissivity material could reduce the heat transfer by 37%. The thermal resistance of the ice track decreased by 8.9×10⁻⁴ m²·°C/W, and the refrigerant evaporation temperature increased by 0.25 °C when the cooling pipes spacing decreased by every 10 mm. The thermal resistance decreased by 1.46×10⁻³ m²·°C/W, and the refrigerant evaporation temperature increased by 0.3 °C when the pipe diameter increased by one nominal diameter. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bobsleigh%2Fskeleton%20ice%20track" title="bobsleigh/skeleton ice track">bobsleigh/skeleton ice track</a>, <a href="https://publications.waset.org/abstracts/search?q=calculation%20model" title=" calculation model"> calculation model</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20transfer%20characteristics" title=" heat transfer characteristics"> heat transfer characteristics</a>, <a href="https://publications.waset.org/abstracts/search?q=refrigeration" title=" refrigeration"> refrigeration</a> </p> <a href="https://publications.waset.org/abstracts/165291/analysis-of-heat-transfer-and-energy-saving-characteristics-for-bobsleighskeleton-ice-track" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165291.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">110</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">136</span> Magnetomechanical Effects on MnZn Ferrites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Ellithy">Ibrahim Ellithy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mauricio%20Esguerra"> Mauricio Esguerra</a>, <a href="https://publications.waset.org/abstracts/search?q="></a>, <a href="https://publications.waset.org/abstracts/search?q=Rewanth%20Radhakrishnan">Rewanth Radhakrishnan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the effects of hydrostatic stress on the magnetic properties of MnZn ferrite rings of different power grades, were measured and analyzed in terms of the magneto-mechanical effect on core losses was modeled via the Hodgdon-Esguerra hysteresis model. The results show excellent agreement with the model and a correlation between the permeability drop and the core loss increase in dependence of the material grade properties. These results emphasize the vulnerabilities of MnZn ferrites when subjected to mechanical perturbations, especially in real-world scenarios like under-road embedding for WPT. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydrostatic%20stress" title="hydrostatic stress">hydrostatic stress</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20ferrites" title=" power ferrites"> power ferrites</a>, <a href="https://publications.waset.org/abstracts/search?q=core%20losses" title=" core losses"> core losses</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title=" wireless power transfer"> wireless power transfer</a> </p> <a href="https://publications.waset.org/abstracts/172172/magnetomechanical-effects-on-mnzn-ferrites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172172.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">70</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">135</span> Application of Medium High Hydrostatic Pressure in Preserving Textural Quality and Safety of Pineapple Compote</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nazim%20Uddin">Nazim Uddin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yohiko%20Nakaura"> Yohiko Nakaura</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazutaka%20Yamamoto"> Kazutaka Yamamoto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Compote (fruit in syrup) of pineapple (<em>Ananas</em> <em>comosus</em> L. Merrill) is expected to have a high market potential as one of convenient ready-to-eat (RTE) foods worldwide. High hydrostatic pressure (HHP) in combination with low temperature (LT) was applied to the processing of pineapple compote as well as medium HHP (MHHP) in combination with medium-high temperature (MHT) since both processes can enhance liquid impregnation and inactivate microbes. MHHP+MHT (55 or 65 °C) process, as well as the HHP+LT process, has successfully inactivated the microbes in the compote to a non-detectable level. Although the compotes processed by MHHP+MHT or HHP+LT have lost the fresh texture as in a similar manner as those processed solely by heat, it was indicated that the texture degradations by heat were suppressed under MHHP. Degassing process reduced the hardness, while calcium (Ca) contributed to be retained hardness in MHT and MHHP+MHT processes. Electrical impedance measurement supported the damage due to degassing and heat. The color, Brix, and appearance were not affected by the processing methods significantly. MHHP+MHT and HHP+LT processes may be applicable to produce high-quality, safe RTE pineapple compotes. Further studies on the optimization of packaging and storage condition will be indispensable for commercialization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=compote%20of%20pineapple" title="compote of pineapple">compote of pineapple</a>, <a href="https://publications.waset.org/abstracts/search?q=RTE" title=" RTE"> RTE</a>, <a href="https://publications.waset.org/abstracts/search?q=medium%20high%20hydrostatic%20pressure" title=" medium high hydrostatic pressure"> medium high hydrostatic pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=postharvest%20loss" title=" postharvest loss"> postharvest loss</a>, <a href="https://publications.waset.org/abstracts/search?q=texture" title=" texture"> texture</a> </p> <a href="https://publications.waset.org/abstracts/110564/application-of-medium-high-hydrostatic-pressure-in-preserving-textural-quality-and-safety-of-pineapple-compote" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/110564.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">137</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">134</span> Influence of High Hydrostatic Pressure Application (HHP) and Osmotic Dehydration (DO) as a Pretreatment to Hot –Air Drying of Abalone (Haliotis Rufescens) Cubes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Teresa%20Roco">Teresa Roco</a>, <a href="https://publications.waset.org/abstracts/search?q=Mario%20Perez%20Won"> Mario Perez Won</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberto%20Lemus-Mondaca"> Roberto Lemus-Mondaca</a>, <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20Pizarro"> Sebastian Pizarro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research presents the simultaneous application of high hydrostatic pressure application (HHP) and osmotic dehydration (DO) as a pretreatment to hot –air drying of abalone cubes. The drying time was reduced to 6 hours at 60ºC as compared to the abalone drying by only a 15% NaCl osmotic pretreatment and at an atmospheric pressure that took 10 hours to dry at the same temperature. This was due to the salt and HHP saturation since osmotic pressure increases as water loss increases, thus needing a more reduced time in a convective drying, so water effective diffusion in drying plays an important role in this research. Different working conditions as pressure (350-550 MPa), pressure time ( 5-10 min), salt concentration, NaCl 15% and drying temperature (40-60ºC) will be optimized according to kinetic parameters of each mathematical model (Table 1). The models used for drying experimental curves were those corresponding to Weibull, Logarithmic and Midilli-Kucuk, but the latest one was the best fitted to the experimental data (Figure 1). The values for water effective diffusivity varied from 4.54 – to 9.95x10-9 m2/s for the 8 curves (DO+HHP) whereas the control samples (neither DO nor HHP) varied among 4.35 and 5.60x10-9 m2/s, for 40 and 60°C, respectively and as to drying by osmotic pretreatment at 15% NaCl from 3.804 to 4.36x10-9 m2/s at the same temperatures. Finally as to energy and efficiency consumption values for drying process (control and pretreated samples) it was found that they would be within a range of 777-1815 KJ/Kg and 8.22–19.20% respectively. Therefore, a knowledge concerning the drying kinetic as well as the consumption energy, in addition to knowledge about the quality of abalones subjected to an osmotic pretreatment (DO) and a high hydrostatic pressure (HHP) are extremely important to an industrial level so that the drying process can be successful at different pretreatment conditions and/or variable processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=abalone" title="abalone">abalone</a>, <a href="https://publications.waset.org/abstracts/search?q=convective%20drying" title=" convective drying"> convective drying</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20pressure%20hydrostatic" title=" high pressure hydrostatic"> high pressure hydrostatic</a>, <a href="https://publications.waset.org/abstracts/search?q=pretreatments" title=" pretreatments"> pretreatments</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusion%20coefficient" title=" diffusion coefficient"> diffusion coefficient</a> </p> <a href="https://publications.waset.org/abstracts/33793/influence-of-high-hydrostatic-pressure-application-hhp-and-osmotic-dehydration-do-as-a-pretreatment-to-hot-air-drying-of-abalone-haliotis-rufescens-cubes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33793.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">665</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">133</span> The Functions of Music in Animated Short Films: Analysing the Scores of the Skeleton Dance, Fox and the Whale and la Vieille Dame et les Pigeons</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shally%20Pais">Shally Pais</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Film music holds a special relationship with the narrative systems and dramaturgical operations in animation. Though the roles of cartoon music closely resemble those fulfilled by traditional film scores, which have been extensively studied, there is a large knowledge gap regarding non-mainstream or non-Hollywood animation music. This paper is an investigation of the understudied compositional materials and narrative contexts in three distinct films by exploring the main narrative and dramaturgical effects of music in The Skeleton Dance, Fox and The Whale, and La Vieille Dame et les Pigeons. The study uses a Neoformalist approach towards qualitative analysis of the music in these films to document ways in which music can be made to function differently depending on the individual films’ contexts and the desired effects to be had on the audience. Consequently, the paper highlights these factors’ influence on the films’ narratives and aims to widen the discourse on composition for animation film scores, suggesting the further study of non-mainstream film music. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=animation%20film%20music" title="animation film music">animation film music</a>, <a href="https://publications.waset.org/abstracts/search?q=film%20score%20analysis" title=" film score analysis"> film score analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Fox%20and%20The%20Whale" title=" Fox and The Whale"> Fox and The Whale</a>, <a href="https://publications.waset.org/abstracts/search?q=La%20Vieille%20Dame%20et%20les%20Pigeons" title=" La Vieille Dame et les Pigeons"> La Vieille Dame et les Pigeons</a>, <a href="https://publications.waset.org/abstracts/search?q=Neoformalist%20analysis" title=" Neoformalist analysis"> Neoformalist analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=The%20Skeleton%20Dance" title=" The Skeleton Dance"> The Skeleton Dance</a> </p> <a href="https://publications.waset.org/abstracts/132083/the-functions-of-music-in-animated-short-films-analysing-the-scores-of-the-skeleton-dance-fox-and-the-whale-and-la-vieille-dame-et-les-pigeons" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132083.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">163</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">132</span> Cladding Technology for Metal-Hybrid Composites with Network-Structure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ha-Guk%20Jeong">Ha-Guk Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Jong-Beom%20Lee"> Jong-Beom Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cladding process is very typical technology for manufacturing composite materials by the hydrostatic extrusion. Because there is no friction between the metal and the container, it can be easily obtained in uniform flow during the deformation. The general manufacturing process for a metal-matrix composite in the solid state, mixing metal powders and ceramic powders with a suited volume ratio, prior to be compressed or extruded at the cold or hot condition in a can. Since through a plurality of unit processing steps of dispersing the materials having a large difference in their characteristics and physical mixing, the process is complicated and leads to non-uniform dispersion of ceramics. It is difficult and hard to reach a uniform ideal property in the coherence problems at the interface between the metal and the ceramic reinforcements. Metal hybrid composites, which presented in this report, are manufactured through the traditional plastic deformation processes like hydrostatic extrusion, caliber-rolling, and drawing. By the previous process, the realization of uniform macro and microstructure is surely possible. In this study, as a constituent material, aluminum, copper, and titanium have been used, according to the component ratio, excellent characteristics of each material were possible to produce a metal hybrid composite that appears to maximize. MgB₂ superconductor wire also fabricated via the same process. It will be introduced to their unique artistic and thermal characteristics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cladding%20process" title="cladding process">cladding process</a>, <a href="https://publications.waset.org/abstracts/search?q=metal-hybrid%20composites" title=" metal-hybrid composites"> metal-hybrid composites</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrostatic%20extrusion" title=" hydrostatic extrusion"> hydrostatic extrusion</a>, <a href="https://publications.waset.org/abstracts/search?q=electronic%2Fthermal%20characteristics" title=" electronic/thermal characteristics"> electronic/thermal characteristics</a> </p> <a href="https://publications.waset.org/abstracts/92271/cladding-technology-for-metal-hybrid-composites-with-network-structure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92271.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">180</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">131</span> Use of High Hydrostatic Pressure as an Alternative Preservation Method for Fresh Dates, Rutab</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Salah%20Mohammed%20Al-Eid">Salah Mohammed Al-Eid</a>, <a href="https://publications.waset.org/abstracts/search?q=Siddig%20Hussein%20Hamad"> Siddig Hussein Hamad</a>, <a href="https://publications.waset.org/abstracts/search?q=Fahad%20Mohammed%20Aljassas"> Fahad Mohammed Aljassas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effects of high hydrostatic pressure (HHP) treatments on microbial contamination, chemical and physical properties of fresh dates (Rutab stage) were studied. Khalas, Barhi and Hilali cultivars were treated at 200, 250, 300 and 350 MPa using HHP research apparatus. The objective of such treatments was to preserve fresh dates without adversely affecting its properties. Treating fresh dates at 300 MPa for 5 minutes at 40°C reduced microbial contamination in about 2.5 log cycles. Applying 250 MPa was enough to control Rutab contamination with molds, yeasts, and coliforms. Both treatments were enough to reduce Rutab microbial contamination to acceptable levels. HHP caused no significant effect on Rutab chemical properties (moisture, sugars, protein, pectin and acidity). However, a slight decrease in moisture contents due to HHP was observed. Rutab lightness (L*) significantly decreased due to the application of HHP. Only Rutab treated at 300 MPs gave lower redness (a*) values compared with an untreated sample. The effect of 300 MPa on increasing yellowness (b*) was observed for Barhi and Hilali but decreasing for Khalas. The hardness of all Rutab cultivars significantly decreased as a result of HHP application. In fact, the pressure applied at 300 MPa had an adverse effect on texture, which may limit its suitability for use in Rutab preservation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high%20hydrostatic%20pressure" title="high hydrostatic pressure">high hydrostatic pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=fresh%20dates%20%28Rutab%29" title=" fresh dates (Rutab)"> fresh dates (Rutab)</a>, <a href="https://publications.waset.org/abstracts/search?q=microbial%20contamination" title=" microbial contamination"> microbial contamination</a>, <a href="https://publications.waset.org/abstracts/search?q=color" title=" color"> color</a>, <a href="https://publications.waset.org/abstracts/search?q=texture" title=" texture"> texture</a> </p> <a href="https://publications.waset.org/abstracts/53774/use-of-high-hydrostatic-pressure-as-an-alternative-preservation-method-for-fresh-dates-rutab" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53774.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">293</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">130</span> Baby Bed Sheets with a Nanofiber Membrane</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roman%20Knizek">Roman Knizek</a>, <a href="https://publications.waset.org/abstracts/search?q=Denisa%20Knizkova"> Denisa Knizkova</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Bajzik"> Vladimir Bajzik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays there are countless kinds of bedsheets or mattress covers for little children which should stop any liquid getting into the mattress. It is quite easy to wash the cover of the mattress, but it is almost impossible to clean the body of a mattress which is made of latex foam, wool or synthetic materials. Children bedsheets or mattress covers are often made with plastic coating which is not steam or air permeable and therefore is not very hygienic. This is our goal: by laminating a nanofiber membrane to a suitable bedsheet textile material, we can create a bedsheet which is waterproof but at the same time steam permeable and also partially breathable, thanks to the membrane. For the same reason, nanofiber membranes are widely used in outdoor clothing. The comfort properties and durability of the new nano-membrane bedsheet were studied. The following comfort properties were investigated: steam permeability - measured in accordance with Standard ISO 11902 hydrostatic resistances - measured in accordance with Standard ISO 811 and air permeability - measured in accordance with Standard ISO 9237. The durability or more precisely the wash resistance of the nano-membrane bedsheet was also measured by submitting the sheet to 30 washing cycles. The result of our work is a children's bedsheet with a nano-membrane. The nano-membrane is made of polyurethane to keep maximum flexibility and elasticity which are essential for this product. The comfort properties of this new bedsheet are very good especially its steam permeability and hydrostatic resistance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bed%20sheet" title="bed sheet">bed sheet</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrostatic%20resistance" title=" hydrostatic resistance"> hydrostatic resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofiber%20membrane" title=" nanofiber membrane"> nanofiber membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20vapour%20permeable" title=" water vapour permeable"> water vapour permeable</a> </p> <a href="https://publications.waset.org/abstracts/80979/baby-bed-sheets-with-a-nanofiber-membrane" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80979.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">214</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">129</span> Use of High Hydrostatic Pressure as an Alternative Preservation Method in Camels Milk</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fahad%20Aljasass">Fahad Aljasass</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamza%20Abu-Tarboush"> Hamza Abu-Tarboush</a>, <a href="https://publications.waset.org/abstracts/search?q=Salah%20Aleid"> Salah Aleid</a>, <a href="https://publications.waset.org/abstracts/search?q=Siddig%20Hamad"> Siddig Hamad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effects of different high hydrostatic pressure treatments on the shelf life of camel’s milk were studied. Treatments at 300 to 350 MPa for 5 minutes at 40°C reduced microbial contamination to levels that prolonged the shelf life of refrigerated (3° C) milk up to 28 days. The treatment resulted in a decrease in the proteolytic activity of the milk. The content of proteolytic enzymes in the untreated milk sample was 4.23 µM/ml. This content decreased significantly to 3.61 µM/ml when the sample was treated at 250 MPa. Treatment at 300 MPa decreased the content to 3.90 which was not significantly different from the content of the untreated sample. The content of the sample treated at 350 MPa dropped to 2.98 µM/ml which was significantly lower than the contents of all other treated and untreated samples. High pressure treatment caused a slight but statistically significant increase in the pH of camel’s milk. The pH of the untreated sample was 6.63, which increased significantly to 6.70, in the samples treated at 250 and 350 MPa, but insignificantly in the sample treated at 300 MPa. High pressure treatment resulted in some degree of milk fat oxidation. The thiobarbituric acid (TBA) value of the untreated sample was 0.86 mg malonaldehyde/kg milk. This value remained unchanged in the sample treated at 250 MPa, but then it increased significantly to 1.25 and 1.33 mg/kg in the samples treated at 300 and 350 MPa, respectively. High pressure treatment caused a small increase in the greenness (a* value) of camel’s milk. The value of a* was reduced from -1.17 for the untreated sample to -1.26, -1.21 and -1.30 for the samples treated at 250, 300 and 350 MPa, respectively. Δa* at the 250 MPa treatment was -0.09, which then decreased to -0.04 at the 300 MPa treatment to increase again to -0.13 at the 350 MPa treatment. The yellowness (b* value) of camel’s milk increased significantly as a result of high pressure treatment. The b* value of the untreated sample was 1.40, this value increased to 2.73, 2.31 and 2.18 after treatments at 250, 300 and 350 MPa, respectively. The Δb* value was +1.33 at the treatment 250 MPa, decreased to +0.91 at 300 MPa and further to +0.78 at 350 MPa. The pressure treatment caused slight effect on color, slight decrease in protease activity and a slight increase in the oxidation products of lipids. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high%20hydrostatic%20pressure" title="high hydrostatic pressure">high hydrostatic pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=camel%E2%80%99s%20milk" title=" camel’s milk"> camel’s milk</a>, <a href="https://publications.waset.org/abstracts/search?q=mesophilic%20aerobic%20bacteria" title=" mesophilic aerobic bacteria"> mesophilic aerobic bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=clotting" title=" clotting"> clotting</a>, <a href="https://publications.waset.org/abstracts/search?q=protease" title=" protease "> protease </a> </p> <a href="https://publications.waset.org/abstracts/56106/use-of-high-hydrostatic-pressure-as-an-alternative-preservation-method-in-camels-milk" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56106.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">268</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">128</span> Simulation of Wave Propagation in Multiphase Medium</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Edip%20Kemal">Edip Kemal</a>, <a href="https://publications.waset.org/abstracts/search?q=Sheshov%20Vlatko"> Sheshov Vlatko</a>, <a href="https://publications.waset.org/abstracts/search?q=Bojadjieva%20Julijana"> Bojadjieva Julijana</a>, <a href="https://publications.waset.org/abstracts/search?q=Bogdanovic%20ALeksandra"> Bogdanovic ALeksandra</a>, <a href="https://publications.waset.org/abstracts/search?q=Gjorgjeska%20Irena"> Gjorgjeska Irena</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The wave propagation phenomenon in porous domains is of great importance in the field of geotechnical earthquake engineering. In these kinds of problems, the elastic waves propagate from the interior to the exterior domain and require special treatment at the computational level since apart from displacement in the solid-state there is a p-wave that takes place in the pore water phase. In this paper, a study on the implementation of multiphase finite elements is presented. The proposed algorithm is implemented in the ANSYS finite element software and tested on one-dimensional wave propagation considering both pore pressure wave propagation and displacement fields. In the simulation of porous media such as soils, the behavior is governed largely by the interaction of the solid skeleton with water and/or air in the pores. Therefore, coupled problems of fluid flow and deformation of the solid skeleton are considered in a detailed way. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wave%20propagation" title="wave propagation">wave propagation</a>, <a href="https://publications.waset.org/abstracts/search?q=multiphase%20model" title=" multiphase model"> multiphase model</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20methods" title=" numerical methods"> numerical methods</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title=" finite element method"> finite element method</a> </p> <a href="https://publications.waset.org/abstracts/144167/simulation-of-wave-propagation-in-multiphase-medium" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144167.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">164</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">127</span> A Minimum Spanning Tree-Based Method for Initializing the K-Means Clustering Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Yang">J. Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Ma"> Y. Ma</a>, <a href="https://publications.waset.org/abstracts/search?q=X.%20Zhang"> X. Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Li"> S. Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Zhang"> Y. Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The traditional k-means algorithm has been widely used as a simple and efficient clustering method. However, the algorithm often converges to local minima for the reason that it is sensitive to the initial cluster centers. In this paper, an algorithm for selecting initial cluster centers on the basis of minimum spanning tree (MST) is presented. The set of vertices in MST with same degree are regarded as a whole which is used to find the skeleton data points. Furthermore, a distance measure between the skeleton data points with consideration of degree and Euclidean distance is presented. Finally, MST-based initialization method for the k-means algorithm is presented, and the corresponding time complexity is analyzed as well. The presented algorithm is tested on five data sets from the UCI Machine Learning Repository. The experimental results illustrate the effectiveness of the presented algorithm compared to three existing initialization methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=degree" title="degree">degree</a>, <a href="https://publications.waset.org/abstracts/search?q=initial%20cluster%20center" title=" initial cluster center"> initial cluster center</a>, <a href="https://publications.waset.org/abstracts/search?q=k-means" title=" k-means"> k-means</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20spanning%20tree" title=" minimum spanning tree"> minimum spanning tree</a> </p> <a href="https://publications.waset.org/abstracts/59975/a-minimum-spanning-tree-based-method-for-initializing-the-k-means-clustering-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59975.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">411</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">126</span> Aluminum Matrix Composites Reinforced by Glassy Carbon-Titanium Spatial Structure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Hekner">B. Hekner</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Myalski"> J. Myalski</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Wrzesniowski"> P. Wrzesniowski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presents aluminum matrix composites reinforced by glassy carbon (GC) and titanium (Ti). In the first step, the heterophase (GC+Ti), spatial form (similar to skeleton) of reinforcement was obtained via own method. The polyurethane foam (with spatial, open-cells structure) covered by suspension of Ti particles in phenolic resin was pyrolyzed. In the second step, the prepared heterogeneous foams were infiltrated by aluminium alloy. The manufactured composites are designated to industrial application, especially as a material used in tribological field. From this point of view, the glassy carbon was applied to stabilise a coefficient of friction on the required value 0.6 and reduce wear. Furthermore, the wear can be limited due to titanium phase application, which reveals high mechanical properties. Moreover, fabrication of thin titanium layer on the carbon skeleton leads to reduce contact between aluminium alloy and carbon and thus aluminium carbide phase creation. However, the main modification involves the manufacturing of reinforcement in the form of 3D, skeleton foam. This kind on reinforcement reveals a few important advantages compared to classical form of reinforcement-particles: possibility to control homogeneity of reinforcement phase in composite material; low-advanced technique of composite manufacturing- infiltration; possibility to application the reinforcement only in required places of material; strict control of phase composition; High quality of bonding between components of material. This research is founded by NCN in the UMO-2016/23/N/ST8/00994. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metal%20matrix%20composites" title="metal matrix composites">metal matrix composites</a>, <a href="https://publications.waset.org/abstracts/search?q=MMC" title=" MMC"> MMC</a>, <a href="https://publications.waset.org/abstracts/search?q=glassy%20carbon" title=" glassy carbon"> glassy carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=heterophase%20composites" title=" heterophase composites"> heterophase composites</a>, <a href="https://publications.waset.org/abstracts/search?q=tribological%20application" title=" tribological application "> tribological application </a> </p> <a href="https://publications.waset.org/abstracts/101875/aluminum-matrix-composites-reinforced-by-glassy-carbon-titanium-spatial-structure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/101875.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">118</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">125</span> Asymmetric Synthesis and Biological Study of Suberosanes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Kousara">Mohammad Kousara</a>, <a href="https://publications.waset.org/abstracts/search?q=Fran%C3%A7oise%20Dumas"> Françoise Dumas</a>, <a href="https://publications.waset.org/abstracts/search?q=Rama%20Ibrahim"> Rama Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%ABlle%20Dubois"> Joëlle Dubois</a>, <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%ABl%20Raingeaud"> Joël Raingeaud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Suberosanes are a small group of marine natural sesquiterpenes discovered since 1996 by Boyd, Sheu and Qi from three gorgonians. Their skeleton was previously found in quadranes produced by the terrestrial fungus Aspergillus terreus. Up to date, eleven suberosanes are described from which (-)-suberosanone and (-)-suberosenol A are reaching the picomolar cytotoxicity level on human solid tumors cell lines. Due to their impressive cytotoxic properties and their limited availability, we undertook an asymmetric synthesis of the most active members of this family in order to get insight into their absolute configurations and their biological properties. The challenge of their synthesis is the regio- and stereoselective elaboration of the compact bridged tricyclic skeleton with up to five all adjacent asymmetric centers, including a central quaternary carbon one. Our strategy is based on an aza-ene-synthesis key step which is regio-and stereo-controlled by the choice of a chiral amine enantiomer. it approach is concise and flexible, the enantiopur ABC tricyclic intermediate that have been synthesized being the common precursor of suberosanes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=suberosanes" title="suberosanes">suberosanes</a>, <a href="https://publications.waset.org/abstracts/search?q=asymmetric%20synthesis" title=" asymmetric synthesis"> asymmetric synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=sesquiterpenes" title=" sesquiterpenes"> sesquiterpenes</a>, <a href="https://publications.waset.org/abstracts/search?q=quadranes" title=" quadranes"> quadranes</a> </p> <a href="https://publications.waset.org/abstracts/172533/asymmetric-synthesis-and-biological-study-of-suberosanes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172533.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">124</span> Design of Experiment for Optimizing Immunoassay Microarray Printing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alex%20J.%20Summers">Alex J. Summers</a>, <a href="https://publications.waset.org/abstracts/search?q=Jasmine%20P.%20Devadhasan"> Jasmine P. Devadhasan</a>, <a href="https://publications.waset.org/abstracts/search?q=Douglas%20Montgomery"> Douglas Montgomery</a>, <a href="https://publications.waset.org/abstracts/search?q=Brittany%20Fischer"> Brittany Fischer</a>, <a href="https://publications.waset.org/abstracts/search?q=Jian%20Gu"> Jian Gu</a>, <a href="https://publications.waset.org/abstracts/search?q=Frederic%20Zenhausern"> Frederic Zenhausern</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Immunoassays have been utilized for several applications, including the detection of pathogens. Our laboratory is in the development of a tier 1 biothreat panel utilizing Vertical Flow Assay (VFA) technology for simultaneous detection of pathogens and toxins. One method of manufacturing VFA membranes is with non-contact piezoelectric dispensing, which provides advantages, such as low-volume and rapid dispensing without compromising the structural integrity of antibody or substrate. Challenges of this processinclude premature discontinuation of dispensing and misaligned spotting. Preliminary data revealed the Yp 11C7 mAb (11C7)reagent to exhibit a large angle of failure during printing which may have contributed to variable printing outputs. A Design of Experiment (DOE) was executed using this reagent to investigate the effects of hydrostatic pressure and reagent concentration on microarray printing outputs. A Nano-plotter 2.1 (GeSIM, Germany) was used for printing antibody reagents ontonitrocellulose membrane sheets in a clean room environment. A spotting plan was executed using Spot-Front-End software to dispense volumes of 11C7 reagent (20-50 droplets; 1.5-5 mg/mL) in a 6-test spot array at 50 target membrane locations. Hydrostatic pressure was controlled by raising the Pressure Compensation Vessel (PCV) above or lowering it below our current working level. It was hypothesized that raising or lowering the PCV 6 inches would be sufficient to cause either liquid accumulation at the tip or discontinue droplet formation. After aspirating 11C7 reagent, we tested this hypothesis under stroboscope.75% of the effective raised PCV height and of our hypothesized lowered PCV height were used. Humidity (55%) was maintained using an Airwin BO-CT1 humidifier. The number and quality of membranes was assessed after staining printed membranes with dye. The droplet angle of failure was recorded before and after printing to determine a “stroboscope score” for each run. The DOE set was analyzed using JMP software. Hydrostatic pressure and reagent concentration had a significant effect on the number of membranes output. As hydrostatic pressure was increased by raising the PCV 3.75 inches or decreased by lowering the PCV -4.5 inches, membrane output decreased. However, with the hydrostatic pressure closest to equilibrium, our current working level, membrane output, reached the 50-membrane target. As the reagent concentration increased from 1.5 to 5 mg/mL, the membrane output also increased. Reagent concentration likely effected the number of membrane output due to the associated dispensing volume needed to saturate the membranes. However, only hydrostatic pressure had a significant effect on stroboscope score, which could be due to discontinuation of dispensing, and thus the stroboscope check could not find a droplet to record. Our JMP predictive model had a high degree of agreement with our observed results. The JMP model predicted that dispensing the highest concentration of 11C7 at our current PCV working level would yield the highest number of quality membranes, which correlated with our results. Acknowledgements: This work was supported by the Chemical Biological Technologies Directorate (Contract # HDTRA1-16-C-0026) and the Advanced Technology International (Contract # MCDC-18-04-09-002) from the Department of Defense Chemical and Biological Defense program through the Defense Threat Reduction Agency (DTRA). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=immunoassay" title="immunoassay">immunoassay</a>, <a href="https://publications.waset.org/abstracts/search?q=microarray" title=" microarray"> microarray</a>, <a href="https://publications.waset.org/abstracts/search?q=design%20of%20experiment" title=" design of experiment"> design of experiment</a>, <a href="https://publications.waset.org/abstracts/search?q=piezoelectric%20dispensing" title=" piezoelectric dispensing"> piezoelectric dispensing</a> </p> <a href="https://publications.waset.org/abstracts/144289/design-of-experiment-for-optimizing-immunoassay-microarray-printing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144289.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">182</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">123</span> Parametric Study of Ball and Socket Joint for Bio-Mimicking Exoskeleton</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mukesh%20Roy">Mukesh Roy</a>, <a href="https://publications.waset.org/abstracts/search?q=Basant%20Singh%20Sikarwar"> Basant Singh Sikarwar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ravi%20Prakash"> Ravi Prakash</a>, <a href="https://publications.waset.org/abstracts/search?q=Priya%20Ranjan"> Priya Ranjan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ayush%20Goyal"> Ayush Goyal </a> </p> <p class="card-text"><strong>Abstract:</strong></p> More than 11% of people suffer from weakness in the bone resulting in inability in walking or climbing stairs or from limited upper body and limb immobility. This motivates a fresh bio-mimicking solution to the design of an exo-skeleton to support human movement in the case of partial or total immobility either due to congenital or genetic factors or due to some accident or due to geratological factors. A deeper insight and detailed understanding is required into the workings of the ball and socket joints. Our research is to mimic ball and socket joints to design snugly fitting exoskeletons. Our objective is to design an exoskeleton which is comfortable and the presence of which is not felt if not in use. Towards this goal, a parametric study is conducted to provide detailed design parameters to fabricate an exoskeleton. This work builds up on real data of the design of the exoskeleton, so that the designed exo-skeleton will be able to provide required strength and support to the subject. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bio-mimicking" title="bio-mimicking">bio-mimicking</a>, <a href="https://publications.waset.org/abstracts/search?q=exoskeleton" title=" exoskeleton"> exoskeleton</a>, <a href="https://publications.waset.org/abstracts/search?q=ball%20joint" title=" ball joint"> ball joint</a>, <a href="https://publications.waset.org/abstracts/search?q=socket%20joint" title=" socket joint"> socket joint</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20limb" title=" artificial limb"> artificial limb</a>, <a href="https://publications.waset.org/abstracts/search?q=patient%20rehabilitation" title=" patient rehabilitation"> patient rehabilitation</a>, <a href="https://publications.waset.org/abstracts/search?q=joints" title=" joints"> joints</a>, <a href="https://publications.waset.org/abstracts/search?q=human-machine%20interface" title=" human-machine interface"> human-machine interface</a>, <a href="https://publications.waset.org/abstracts/search?q=wearable%20robotics" title=" wearable robotics"> wearable robotics</a> </p> <a href="https://publications.waset.org/abstracts/37015/parametric-study-of-ball-and-socket-joint-for-bio-mimicking-exoskeleton" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37015.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">295</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">122</span> Compilation of Tall Building with Green Architecture Case Study: Babolsar City (North of Iran) at 2014-2015</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyyed%20Hossein%20Alavi">Seyyed Hossein Alavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Soudabeh%20Mehri%20Talarposhti"> Soudabeh Mehri Talarposhti </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quick development of urban population need for housing on the one hand and prevention of irregular urban extension for optimum usage of urban land, resolving problems of urban physiognomy, land using, and environmental issues and urban transport, on the other hand, proposed tall building as urban area extension requirement in developing and advanced countries. Beside the tall building, protection, and creation of green architecture is one the most important issues of today's architecture world. This research is about attending tall building with green architecture in Babolsar city 2015. For this, the issues that can make favorite conditions for green architecture has been discussed. The purpose of this discussion is skeleton extension and accessing interactions between architecture and related technologies. This discussion with using of qualitative research methods (Analytical Description) tried to studying designed performance models and also studying and analyzing the inside and foreign articles and books. Hope this research is useful in solving the existing problems in this issue. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tall%20building" title="tall building">tall building</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20architecture" title=" green architecture"> green architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=skeleton%20extension" title=" skeleton extension"> skeleton extension</a>, <a href="https://publications.waset.org/abstracts/search?q=Babolsar%20city" title=" Babolsar city"> Babolsar city</a> </p> <a href="https://publications.waset.org/abstracts/26282/compilation-of-tall-building-with-green-architecture-case-study-babolsar-city-north-of-iran-at-2014-2015" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26282.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">430</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">121</span> Effect of High Pressure Treatment on the Microbial Contamination and on Some Chemical and Physical Properties of Minced Chicken </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Siddig%20H.%20Hamad">Siddig H. Hamad</a>, <a href="https://publications.waset.org/abstracts/search?q=Salah%20M.%20Al-Eid"> Salah M. Al-Eid</a>, <a href="https://publications.waset.org/abstracts/search?q=Fahad%20M.%20Al-Jassas"> Fahad M. Al-Jassas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Composite samples of minced chicken were vacuum-packaged and pressure treated at 300, 400, 450 and 500 MPa in a Stansted 'FOOD-LAB' model S-FL-850-9-W high hydrostatic pressure research apparatus (Stansted Fluid Power Ltd., Stansted, UK). Treated and untreated samples were then stored at 3°C, and microbial content as well as some chemical and physical properties monitored. The microbial load of the untreated samples reached the spoilage level of 107 cfu/g in about one week, resulting in bad smell and dark brown color. The pressure treatments reduced total bacterial counts by about 1.8 to 3.2 log10 cycles and reduced counts of Enterobacteriaceae and Salmonella to non-detectable levels. The color of meat was slightly affected, but pH, moisture content and the oxidation products of lipids were not substantially changed. The treatment killed mainly gram negative bacteria but also caused sub-lethal injury to part of the population resulting in prolonged lag phase. The population not killed by the 350 to 450 MPa treatments grew relatively slowly during storage, and its loads reached spoilage level in 4 to 6 weeks, while the load of the population treated at 500 MPa did not reach this level till the end of a storage period of 9 weeks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chicken" title="chicken">chicken</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20storage" title=" cold storage"> cold storage</a>, <a href="https://publications.waset.org/abstracts/search?q=microbial%20spoilage" title=" microbial spoilage"> microbial spoilage</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20hydrostatic%20pressure" title=" high hydrostatic pressure "> high hydrostatic pressure </a> </p> <a href="https://publications.waset.org/abstracts/53314/effect-of-high-pressure-treatment-on-the-microbial-contamination-and-on-some-chemical-and-physical-properties-of-minced-chicken" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53314.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">244</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">120</span> Thick Disc Molecular Gas Fraction in NGC 6946</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Narendra%20Nath%20Patra">Narendra Nath Patra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several recent studies reinforce the existence of a thick molecular disc in galaxies along with the dynamically cold thin disc. Assuming a two-component molecular disc, we model the disc of NGC 6946 as a four-component system consists of stars, HI, thin disc molecular gas, and thick disc molecular gas in vertical hydrostatic equilibrium. Following, we set up the joint Poisson-Boltzmann equation of hydrostatic equilibrium and solve it numerically to obtain a three-dimensional density distribution of different baryonic components. Using the density solutions and the observed rotation curve, we further build a three-dimensional dynamical model of the molecular disc and consecutively produce simulated CO spectral cube and spectral width profile. We find that the simulated spectral width profiles distinguishably differs for different assumed thick disc molecular gas fraction. Several CO spectral width profiles are then produced for different assumed thick disc molecular gas fractions and compared with the observed one to obtain the best fit thick disc molecular gas fraction profile. We find that the thick disc molecular gas fraction in NGC 6946 largely remains constant across its molecular disc with a mean value of 0.70 +/- 0.09. We also estimate the amount of extra-planar molecular gas in NGC 6946. We find 60% of the total molecular gas is extra-planar at the central region, whereas this fraction reduces to ~ 35% at the edge of the molecular disc. With our method, for the first time, we estimate the thick disc molecular gas fraction as a function of radius in an external galaxy with sub-kpc resolution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=galaxies%3A%20kinematics%20and%20dynamic" title="galaxies: kinematics and dynamic">galaxies: kinematics and dynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=galaxies%3A%20spiral" title=" galaxies: spiral"> galaxies: spiral</a>, <a href="https://publications.waset.org/abstracts/search?q=galaxies%3A%20structure" title=" galaxies: structure "> galaxies: structure </a>, <a href="https://publications.waset.org/abstracts/search?q=ISM%3A%20molecules" title=" ISM: molecules"> ISM: molecules</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20data" title=" molecular data"> molecular data</a> </p> <a href="https://publications.waset.org/abstracts/123278/thick-disc-molecular-gas-fraction-in-ngc-6946" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123278.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">144</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">119</span> Kinetic Study of Physical Quality Changes on Jumbo Squid (Dosidicus gigas) Slices during Application High-Pressure Impregnation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mario%20Perez-Won">Mario Perez-Won</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberto%20Lemus-Mondaca"> Roberto Lemus-Mondaca</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernanda%20Marin"> Fernanda Marin</a>, <a href="https://publications.waset.org/abstracts/search?q=Constanza%20Olivares"> Constanza Olivares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presents the simultaneous application of high hydrostatic pressure (HHP) and osmotic dehydration of jumbo squid (Dosidicus gigas) slice. Diffusion coefficients for both components water and solids were improved by the process pressure, being influenced by pressure level. The working conditions were different pressures such as 100, 250, 400 MPa and pressure atmospheric (0.1 MPa) for time intervals from 30 to 300 seconds and a 15% NaCl concentration. The mathematical expressions used for mass transfer simulations both water and salt were those corresponding to Newton, Henderson and Pabis, Page and Weibull models, where the Weibull and Henderson-Pabis models presented the best fitted to the water and salt experimental data, respectively. The values for water diffusivity coefficients varied from 1.62 to 8.10x10⁻⁹ m²/s whereas that for salt varied among 14.18 to 36.07x10⁻⁹ m²/s for selected conditions. Finally, as to quality parameters studied under the range of experimental conditions studied, the treatment at 250 MPa yielded on the samples a minimum hardness, whereas springiness, cohesiveness and chewiness at 100, 250 and 400 MPa treatments presented statistical differences regarding to unpressurized samples. The colour parameters L* (lightness) increased, however, but b* (yellowish) and a* (reddish) parameters decreased when increasing pressure level. This way, samples presented a brighter aspect and a mildly cooked appearance. The results presented in this study can support the enormous potential of hydrostatic pressure application as a technique important for compounds impregnation under high pressure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=colour" title="colour">colour</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusivity" title=" diffusivity"> diffusivity</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20pressure" title=" high pressure"> high pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=jumbo%20squid" title=" jumbo squid"> jumbo squid</a>, <a href="https://publications.waset.org/abstracts/search?q=modelling" title=" modelling"> modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=texture" title=" texture"> texture</a> </p> <a href="https://publications.waset.org/abstracts/52887/kinetic-study-of-physical-quality-changes-on-jumbo-squid-dosidicus-gigas-slices-during-application-high-pressure-impregnation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52887.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">344</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">118</span> Multimodal Deep Learning for Human Activity Recognition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ons%20Slimene">Ons Slimene</a>, <a href="https://publications.waset.org/abstracts/search?q=Aroua%20Taamallah"> Aroua Taamallah</a>, <a href="https://publications.waset.org/abstracts/search?q=Maha%20Khemaja"> Maha Khemaja</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, human activity recognition (HAR) has been a key area of research due to its diverse applications. It has garnered increasing attention in the field of computer vision. HAR plays an important role in people’s daily lives as it has the ability to learn advanced knowledge about human activities from data. In HAR, activities are usually represented by exploiting different types of sensors, such as embedded sensors or visual sensors. However, these sensors have limitations, such as local obstacles, image-related obstacles, sensor unreliability, and consumer concerns. Recently, several deep learning-based approaches have been proposed for HAR and these approaches are classified into two categories based on the type of data used: vision-based approaches and sensor-based approaches. This research paper highlights the importance of multimodal data fusion from skeleton data obtained from videos and data generated by embedded sensors using deep neural networks for achieving HAR. We propose a deep multimodal fusion network based on a twostream architecture. These two streams use the Convolutional Neural Network combined with the Bidirectional LSTM (CNN BILSTM) to process skeleton data and data generated by embedded sensors and the fusion at the feature level is considered. The proposed model was evaluated on a public OPPORTUNITY++ dataset and produced a accuracy of 96.77%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20activity%20recognition" title="human activity recognition">human activity recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=action%20recognition" title=" action recognition"> action recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=sensors" title=" sensors"> sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=vision" title=" vision"> vision</a>, <a href="https://publications.waset.org/abstracts/search?q=human-centric%20sensing" title=" human-centric sensing"> human-centric sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20learning" title=" deep learning"> deep learning</a>, <a href="https://publications.waset.org/abstracts/search?q=context-awareness" title=" context-awareness"> context-awareness</a> </p> <a href="https://publications.waset.org/abstracts/162633/multimodal-deep-learning-for-human-activity-recognition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162633.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">101</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">117</span> Prediction of Fluid Induced Deformation using Cavity Expansion Theory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jithin%20S.%20Kumar">Jithin S. Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramesh%20Kannan%20Kandasami"> Ramesh Kannan Kandasami</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Geomaterials are generally porous in nature due to the presence of discrete particles and interconnected voids. The porosity present in these geomaterials play a critical role in many engineering applications such as CO2 sequestration, well bore strengthening, enhanced oil and hydrocarbon recovery, hydraulic fracturing, and subsurface waste storage. These applications involves solid-fluid interactions, which govern the changes in the porosity which in turn affect the permeability and stiffness of the medium. Injecting fluid into the geomaterials results in permeation which exhibits small or negligible deformation of the soil skeleton followed by cavity expansion/ fingering/ fracturing (different forms of instabilities) due to the large deformation especially when the flow rate is greater than the ability of the medium to permeate the fluid. The complexity of this problem increases as the geomaterial behaves like a solid and fluid under certain conditions. Thus it is important to understand this multiphysics problem where in addition to the permeation, the elastic-plastic deformation of the soil skeleton plays a vital role during fluid injection. The phenomenon of permeation and cavity expansion in porous medium has been studied independently through extensive experimental and analytical/ numerical models. The analytical models generally use Darcy's/ diffusion equations to capture the fluid flow during permeation while elastic-plastic (Mohr-Coulomb and Modified Cam-Clay) models were used to predict the solid deformations. Hitherto, the research generally focused on modelling cavity expansion without considering the effect of injected fluid coming into the medium. Very few studies have considered the effect of injected fluid on the deformation of soil skeleton. However, the porosity changes during the fluid injection and coupled elastic-plastic deformation are not clearly understood. In this study, the phenomenon of permeation and instabilities such as cavity and finger/ fracture formation will be quantified extensively by performing experiments using a novel experimental setup in addition to utilizing image processing techniques. This experimental study will describe the fluid flow and soil deformation characteristics under different boundary conditions. Further, a well refined coupled semi-analytical model will be developed to capture the physics involved in quantifying the deformation behaviour of geomaterial during fluid injection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solid-fluid%20interaction" title="solid-fluid interaction">solid-fluid interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=permeation" title=" permeation"> permeation</a>, <a href="https://publications.waset.org/abstracts/search?q=poroelasticity" title=" poroelasticity"> poroelasticity</a>, <a href="https://publications.waset.org/abstracts/search?q=plasticity" title=" plasticity"> plasticity</a>, <a href="https://publications.waset.org/abstracts/search?q=continuum%20model" title=" continuum model"> continuum model</a> </p> <a href="https://publications.waset.org/abstracts/172746/prediction-of-fluid-induced-deformation-using-cavity-expansion-theory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172746.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">74</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">116</span> Ecofriendly Multi-Layer Polymer Treatment for Hydrophobic and Water Repellent Porous Cotton Fabrics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Zahid">Muhammad Zahid</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilker%20S.%20Bayer"> Ilker S. Bayer</a>, <a href="https://publications.waset.org/abstracts/search?q=Athanassia%20Athanassiou"> Athanassia Athanassiou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fluorinated polymers having C8 chemistry (chemicals with 8 fluorinated carbon atoms) are well renowned for their excellent low surface tension and water repelling properties. However, these polymers degrade into highly toxic heavy perfluoro acids in the environment. When the C8 chemistry is reduced to C6 chemistry, this environmental concern is eliminated at the expense of reduced liquid repellent performance. In order to circumvent this, in this study, we demonstrate pre-treatment of woven cotton fabrics with a fluorinated acrylic copolymer with C6 chemistry and subsequently with a silicone polymer to render them hydrophobic. A commercial fluorinated acrylic copolymer was blended with silica nanoparticles to form hydrophobic nano-roughness on cotton fibers and a second coating layer of polydimethylsiloxane (PDMS) was applied on the fabric. A static water contact angle (for 5µl) and rolling angle (for 12.5µl) of 147°±2° and 31° were observed, respectively. Hydrostatic head measurements were also performed to better understand the performance with 26±1 cm and 2.56kPa column height and static pressure respectively. Fabrication methods (with rod coater etc.) were kept simple, reproducible, and scalable and cost efficient. Moreover, the robustness of applied coatings was also evaluated by sonication cleaning and abrasion methods. Water contact angle (WCA), water shedding angle (WSA), hydrostatic head, droplet bouncing-rolling off and prolonged staining tests were used to characterize hydrophobicity of materials. For chemical and morphological analysis, various characterization methods were used such as attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), atomic force microscopy (AFM) and scanning electron microscopy (SEM). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fluorinated%20polymer" title="fluorinated polymer">fluorinated polymer</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrophobic" title=" hydrophobic"> hydrophobic</a>, <a href="https://publications.waset.org/abstracts/search?q=polydimethylsiloxane" title=" polydimethylsiloxane"> polydimethylsiloxane</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20contact%20angle" title=" water contact angle"> water contact angle</a> </p> <a href="https://publications.waset.org/abstracts/56381/ecofriendly-multi-layer-polymer-treatment-for-hydrophobic-and-water-repellent-porous-cotton-fabrics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56381.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">325</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">115</span> Evaluation of the Need for Seismic Retrofitting of the Foundation of a Five Story Steel Building Because of Adding of a New Story</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammadreza%20Baradaran">Mohammadreza Baradaran</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Hamzezarghani"> F. Hamzezarghani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Every year in different points of the world it occurs with different strengths and thousands of people lose their lives because of this natural phenomenon. One of the reasons for destruction of buildings because of earthquake in addition to the passing of time and the effect of environmental conditions and the wearing-out of a building is changing the uses of the building and change the structure and skeleton of the building. A large number of structures that are located in earthquake bearing areas have been designed according to the old quake design regulations which are out dated. In addition, many of the major earthquakes which have occurred in recent years, emphasize retrofitting to decrease the dangers of quakes. Retrofitting structural quakes available is one of the most effective methods for reducing dangers and compensating lack of resistance caused by the weaknesses existing. In this article the foundation of a five-floor steel building with the moment frame system has been evaluated for quakes and the effect of adding a floor to this five-floor steel building has been evaluated and analyzed. The considered building is with a metallic skeleton and a piled roof and clayed block which after addition of a floor has increased to a six-floor foundation of 1416 square meters, and the height of the sixth floor from ground state has increased 18.95 meters. After analysis of the foundation model, the behavior of the soil under the foundation and also the behavior of the body or element of the foundation has been evaluated and the model of the foundation and its type of change in form and the amount of stress of the soil under the foundation for some of the composition has been determined many times in the SAFE software modeling and finally the need for retrofitting of the building's foundation has been determined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=seismic" title="seismic">seismic</a>, <a href="https://publications.waset.org/abstracts/search?q=rehabilitation" title=" rehabilitation"> rehabilitation</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20building" title=" steel building"> steel building</a>, <a href="https://publications.waset.org/abstracts/search?q=foundation" title=" foundation"> foundation</a> </p> <a href="https://publications.waset.org/abstracts/52562/evaluation-of-the-need-for-seismic-retrofitting-of-the-foundation-of-a-five-story-steel-building-because-of-adding-of-a-new-story" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52562.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">281</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">114</span> Structural Properties of CuCl, CuBr, and CuI Compounds under Hydrostatic Pressure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Louhibi-Fasla">S. Louhibi-Fasla</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Rekab%20Djabri"> H. Rekab Djabri</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Achour"> H. Achour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this work is to investigate the structural phase-transitions and electronic properties of copper halides. Our calculations were performed within the PLW extension to the first principle FPLMTO method, which enables an accurate treatment of all kinds of structures including the open ones. Results are given for lattice parameters, bulk modulus and its first derivatives in five different surface phases, and are compared with the available theoretical and experimental data. In the zinc-blende (B3) and PbO (B10) phases, the fundamental gap remains direct with both the top of VB and the bottom of CB located at Γ. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FPLMTO" title="FPLMTO">FPLMTO</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20properties" title=" structural properties"> structural properties</a>, <a href="https://publications.waset.org/abstracts/search?q=Copper%20halides" title=" Copper halides"> Copper halides</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20transitions" title=" phase transitions"> phase transitions</a>, <a href="https://publications.waset.org/abstracts/search?q=ground%20state%20phase" title=" ground state phase"> ground state phase</a> </p> <a href="https://publications.waset.org/abstracts/19271/structural-properties-of-cucl-cubr-and-cui-compounds-under-hydrostatic-pressure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19271.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">430</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=hydrostatic%20skeleton&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=hydrostatic%20skeleton&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=hydrostatic%20skeleton&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=hydrostatic%20skeleton&page=5">5</a></li> <li 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