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arrangement</title> <meta name="description" content="Search results for: tandem arrangement"> <meta name="keywords" content="tandem arrangement"> <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="tandem arrangement"> <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> 661</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: tandem arrangement</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">661</span> Numerical Simulation of Turbulent Flow around Two Cam Shaped Cylinders in Tandem Arrangement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Mir%20Abdolah%20Lavasani">Arash Mir Abdolah Lavasani</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ebrahimisabet"> M. Ebrahimisabet</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the 2-D unsteady viscous flow around two cam shaped cylinders in tandem arrangement is numerically simulated in order to study the characteristics of the flow in turbulent regimes. The investigation covers the effects of high subcritical and supercritical Reynolds numbers and L/D ratio on total drag coefficient. The equivalent diameter of cylinders is 27.6 mm The space between center to center of two cam shaped cylinders is define as longitudinal pitch ratio and it varies in range of 1.5 < L/D < 6. Reynolds number base on equivalent circular cylinder varies in range of 27×103 < Re < 166×103 Results show that drag coefficient of both cylinders depends on pitch ratio. However drag coefficient of downstream cylinder is more dependent on the pitch ratio. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cam%20shaped" title="cam shaped">cam shaped</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem" title=" tandem"> tandem</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical" title=" numerical"> numerical</a>, <a href="https://publications.waset.org/abstracts/search?q=drag%20coefficient" title=" drag coefficient"> drag coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=turbulent" title=" turbulent"> turbulent</a> </p> <a href="https://publications.waset.org/abstracts/36258/numerical-simulation-of-turbulent-flow-around-two-cam-shaped-cylinders-in-tandem-arrangement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36258.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">463</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">660</span> Effects of Viscous and Pressure Forces in Vortex and Wake Induced Vibrations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ravi%20Chaithanya%20Mysa">Ravi Chaithanya Mysa</a>, <a href="https://publications.waset.org/abstracts/search?q=Abouzar%20Kaboudian"> Abouzar Kaboudian</a>, <a href="https://publications.waset.org/abstracts/search?q=Boo%20Cheong%20Khoo"> Boo Cheong Khoo</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajeev%20Kumar%20Jaiman"> Rajeev Kumar Jaiman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cross-flow vortex-induced vibrations of a circular cylinder are compared with the wake-induced oscillations of the downstream cylinder of a tandem cylinder arrangement. It is known that the synchronization of the frequency of vortex shedding with the natural frequency of the structure leads to large amplitude motions. In the case of tandem cylinders, the large amplitudes of the downstream cylinder found are compared to single cylinder setup. In this work, in the tandem arrangement, the upstream cylinder is fixed and the downstream cylinder is free to oscillate in transverse direction. We show that the wake from the upstream cylinder interacts with the downstream cylinder which influences the response of the coupled system. Extensive numerical experiments have been performed on single cylinder as well as tandem cylinder arrangements in cross-flow. Here, the wake interactions in connection to the forces generated are systematically studied. The ratio of the viscous loads to the pressure loads is found to play a major role in the displacement response of the single and tandem cylinder arrangements, as the viscous forces dissipate the energy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=circular%20cylinder" title="circular cylinder">circular cylinder</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex-shedding" title=" vortex-shedding"> vortex-shedding</a>, <a href="https://publications.waset.org/abstracts/search?q=VIV" title=" VIV"> VIV</a>, <a href="https://publications.waset.org/abstracts/search?q=wake-induced" title=" wake-induced"> wake-induced</a>, <a href="https://publications.waset.org/abstracts/search?q=vibrations" title=" vibrations "> vibrations </a> </p> <a href="https://publications.waset.org/abstracts/25526/effects-of-viscous-and-pressure-forces-in-vortex-and-wake-induced-vibrations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25526.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">366</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">659</span> Numerical Simulation of Flow Past Inline Tandem Cylinders in Uniform Shear Flow</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajesh%20Bhatt">Rajesh Bhatt</a>, <a href="https://publications.waset.org/abstracts/search?q=Dilip%20Kumar%20Maiti"> Dilip Kumar Maiti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The incompressible shear flow past a square cylinder placed parallel to a plane wall of side length A in presence of upstream rectangular cylinder of height 0.5A and width 0.25A in an inline tandem arrangement are numerically investigated using finite volume method. The discretized equations are solved by an implicit, time-marching, pressure correction based SIMPLE algorithm. This study provides the qualitative insight in to the dependency of basic structure (i.e. vortex shedding or suppression) of flow over the downstream square cylinder and the upstream rectangular cylinder (and hence the aerodynamic characteristics) on inter-cylinder spacing (S) and Reynolds number (Re). The spacing between the cylinders is varied systematically from S = 0.5A to S = 7.0A so the sensitivity of the flow structure between the cylinders can be inspected. A sudden jump in strouhal number is observed, which shows the transition of flow pattern in the wake of the cylinders. The results are presented at Re = 100 and 200 in term of Strouhal number, RMS and mean of lift and drag coefficients and contour plots for different spacing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=square%20cylinder" title="square cylinder">square cylinder</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex%20shedding" title=" vortex shedding"> vortex shedding</a>, <a href="https://publications.waset.org/abstracts/search?q=isolated" title=" isolated"> isolated</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement" title=" tandem arrangement"> tandem arrangement</a>, <a href="https://publications.waset.org/abstracts/search?q=spacing%20distance" title=" spacing distance"> spacing distance</a> </p> <a href="https://publications.waset.org/abstracts/17017/numerical-simulation-of-flow-past-inline-tandem-cylinders-in-uniform-shear-flow" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17017.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">549</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">658</span> Modelling and Optimization Analysis of Silicon/MgZnO-CBTSSe Tandem Solar Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vallisree%20Sivathanu">Vallisree Sivathanu</a>, <a href="https://publications.waset.org/abstracts/search?q=Kumaraswamidhas%20Lakshmi%20Annamalai"> Kumaraswamidhas Lakshmi Annamalai</a>, <a href="https://publications.waset.org/abstracts/search?q=Trupti%20Ranjan%20Lenka"> Trupti Ranjan Lenka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We report a tandem solar cell model with Silicon as the bottom cell absorber material and Cu₂BaSn(S, Se)₄(CBTSSe) as absorber material for the top cell. As a first step, the top and bottom cells were modelled and validated by comparison with the experiment. Once the individual cells are validated, then the tandem structure is modelled with Indium Tin Oxide(ITO) as conducting layer between the top and bottom cells. The tandem structure yielded better open circuit voltage and fill factor; however, the efficiency obtained is 7.01%. The top cell and the bottom cells are investigated with the help of electron-hole current density, photogeneration rate, and external quantum efficiency profiles. In order to minimize the various loss mechanisms in the tandem solar cell, the material parameters are optimized within experimentally achievable limits. Initially, the top cell optimization was carried out; then, the bottom cell is optimized for maximizing the light absorption, and upon minimizing the current and photon losses in the tandem structure, the maximum achievable efficiency is predicted to be 19.52%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CBTSSe" title="CBTSSe">CBTSSe</a>, <a href="https://publications.waset.org/abstracts/search?q=silicon" title=" silicon"> silicon</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem" title=" tandem"> tandem</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20cell" title=" solar cell"> solar cell</a>, <a href="https://publications.waset.org/abstracts/search?q=device%20modeling" title=" device modeling"> device modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=current%20losses" title=" current losses"> current losses</a>, <a href="https://publications.waset.org/abstracts/search?q=photon%20losses" title=" photon losses"> photon losses</a> </p> <a href="https://publications.waset.org/abstracts/177529/modelling-and-optimization-analysis-of-siliconmgzno-cbtsse-tandem-solar-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177529.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">117</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">657</span> Practical Evaluation of High-Efficiency Si-based Tandem Solar Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sue-Yi%20Chen">Sue-Yi Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei-Chun%20Hsu"> Wei-Chun Hsu</a>, <a href="https://publications.waset.org/abstracts/search?q=Jon-Yiew%20Gan"> Jon-Yiew Gan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Si-based double-junction tandem solar cells have become a popular research topic because of the advantages of low manufacturing cost and high energy conversion efficiency. However, there is no set of calculations to select the appropriate top cell materials. Therefore, this paper will propose a simple but practical selection method. First of all, we calculate the S-Q limit and explain the reasons for developing tandem solar cells. Secondly, we calculate the theoretical energy conversion efficiency of the double-junction tandem solar cells while combining the commercial monocrystalline Si and materials' practical efficiency to consider the actual situation. Finally, we conservatively conclude that if considering 75% performance of the theoretical energy conversion efficiency of the top cell, the suitable bandgap energy range will fall between 1.38eV to 2.5eV. Besides, we also briefly describe some improvements of several proper materials, CZTS, CdSe, Cu2O, ZnTe, and CdS, hoping that future research can select and manufacture high-efficiency Si-based tandem solar cells based on this paper successfully. Most importantly, our calculation method is not limited to silicon solely. If other materials’ performances match or surpass silicon's ability in the future, researchers can also apply this set of deduction processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high-efficiency%20solar%20cells" title="high-efficiency solar cells">high-efficiency solar cells</a>, <a href="https://publications.waset.org/abstracts/search?q=material%20selection" title=" material selection"> material selection</a>, <a href="https://publications.waset.org/abstracts/search?q=Si-based%20double-junction%20solar%20cells" title=" Si-based double-junction solar cells"> Si-based double-junction solar cells</a>, <a href="https://publications.waset.org/abstracts/search?q=Tandem%20solar%20cells" title=" Tandem solar cells"> Tandem solar cells</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaics." title=" photovoltaics."> photovoltaics.</a> </p> <a href="https://publications.waset.org/abstracts/147639/practical-evaluation-of-high-efficiency-si-based-tandem-solar-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147639.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">116</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">656</span> Language and Culture Exchange: Tandem Language Learning for University Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hebe%20Wong">Hebe Wong</a>, <a href="https://publications.waset.org/abstracts/search?q=Luz%20Fernandez%20Calventos"> Luz Fernandez Calventos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tandem language learning, a language exchange process based on the principles of autonomy and reciprocity, provides opportunities for interlocutors to learn each other’s language by communicating online or face-to-face. While much attention has been paid to the process and outcomes of tandem learning via email, little has been discussed about the effectiveness of face-to-face tandem learning on language and culture exchange for university students. The LACTS (Language and Culture Tandem Scheme), an 8-week project, was set up to study students’ perceptions of conducting tandem learning to assist their language and culture exchange. Students of both post-graduate and undergraduate programmes (N=103) from a Hong Kong SAR university were put in groups of 4 to 6 according to their availability and language preferences and met for an hour a week. While sample task sheets on a range of topics were provided to assist the language exchange, all groups were encouraged to take charge of their meeting format and choose their own topics. At the end of the project, a 19-item questionnaire, which included both open-and closed-ended questions investigating students’ perceptions of reciprocal teaching and cultural exchange, was administered. Thirty-minute individual interviews were conducted to elicit students’ views and experiences in the LACTS activities. Quantitative and qualitative data analysis showed that most students agreed that the project had enhanced their cultural awareness and helped create an inclusive and participatory learning environment. Significant differences were found in students’ confidence in speaking their targeted language after joining the scheme. The interviews also provided rich data on the variety of formats and leadership patterns in student-led meetings, which could shed light on student autonomy and future tandem language learning projects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autonomy" title="autonomy">autonomy</a>, <a href="https://publications.waset.org/abstracts/search?q=reciprocity" title=" reciprocity"> reciprocity</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20language%20learning" title=" tandem language learning"> tandem language learning</a>, <a href="https://publications.waset.org/abstracts/search?q=university%20students" title=" university students"> university students</a> </p> <a href="https://publications.waset.org/abstracts/182907/language-and-culture-exchange-tandem-language-learning-for-university-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182907.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">58</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">655</span> A Hybrid Derivative-Free Optimization Method for Pass Schedule Calculation in Cold Rolling Mill</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammadhadi%20Mirmohammadi">Mohammadhadi Mirmohammadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Safian"> Reza Safian</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Haddad"> Hossein Haddad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an innovative solution for complex multi-objective optimization problem which is a part of efforts toward maximizing rolling mill throughput and minimizing processing costs in tandem cold rolling. This computational intelligence based optimization has been applied to the rolling schedules of tandem cold rolling mill. This method involves the combination of two derivative-free optimization procedures in the form of nested loops. The first optimization loop is based on Improving Hit and Run method which focus on balance of power, force and reduction distribution in rolling schedules. The second loop is a real-coded genetic algorithm based optimization procedure which optimizes energy consumption and productivity. An experimental result of application to five stand tandem cold rolling mill is presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=derivative-free%20optimization" title="derivative-free optimization">derivative-free optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=Improving%20Hit%20and%20Run%20method" title=" Improving Hit and Run method"> Improving Hit and Run method</a>, <a href="https://publications.waset.org/abstracts/search?q=real-coded%20genetic%20algorithm" title=" real-coded genetic algorithm"> real-coded genetic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=rolling%20schedules%20of%20tandem%20cold%20rolling%20mill" title=" rolling schedules of tandem cold rolling mill"> rolling schedules of tandem cold rolling mill</a> </p> <a href="https://publications.waset.org/abstracts/18442/a-hybrid-derivative-free-optimization-method-for-pass-schedule-calculation-in-cold-rolling-mill" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18442.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">696</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">654</span> Analysis of Tandem Detonator Algorithm Optimized by Quantum Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tomasz%20Robert%20Kuczerski">Tomasz Robert Kuczerski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The high complexity of the algorithm of the autonomous tandem detonator system creates an optimization problem due to the parallel operation of several machine states of the system. Many years of experience and classic analyses have led to a partially optimized model. Limitations on the energy resources of this class of autonomous systems make it necessary to search for more effective methods of optimisation. The use of the Quantum Approximate Optimization Algorithm (QAOA) in these studies shows the most promising results. With the help of multiple evaluations of several qubit quantum circuits, proper results of variable parameter optimization were obtained. In addition, it was observed that the increase in the number of assessments does not result in further efficient growth due to the increasing complexity of optimising variables. The tests confirmed the effectiveness of the QAOA optimization method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algorithm%20analysis" title="algorithm analysis">algorithm analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=autonomous%20system" title=" autonomous system"> autonomous system</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20optimization" title=" quantum optimization"> quantum optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20detonator" title=" tandem detonator"> tandem detonator</a> </p> <a href="https://publications.waset.org/abstracts/161188/analysis-of-tandem-detonator-algorithm-optimized-by-quantum-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161188.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">653</span> The Fluid Limit of the Critical Processor Sharing Tandem Queue</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amal%20Ezzidani">Amal Ezzidani</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelghani%20Ben%20Tahar"> Abdelghani Ben Tahar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Hanini"> Mohamed Hanini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A sequence of finite tandem queue is considered for this study. Each one has a single server, which operates under the egalitarian processor sharing discipline. External customers arrive at each queue according to a renewal input process and having a general service times distribution. Upon completing service, customers leave the current queue and enter to the next. Under mild assumptions, including critical data, we prove the existence and the uniqueness of the fluid solution. For asymptotic behavior, we provide necessary and sufficient conditions for the invariant state and the convergence to this invariant state. In the end, we establish the convergence of a correctly normalized state process to a fluid limit characterized by a system of algebraic and integral equations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fluid%20limit" title="fluid limit">fluid limit</a>, <a href="https://publications.waset.org/abstracts/search?q=fluid%20model" title=" fluid model"> fluid model</a>, <a href="https://publications.waset.org/abstracts/search?q=measure%20valued%20process" title=" measure valued process"> measure valued process</a>, <a href="https://publications.waset.org/abstracts/search?q=processor%20sharing" title=" processor sharing"> processor sharing</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20queue" title=" tandem queue"> tandem queue</a> </p> <a href="https://publications.waset.org/abstracts/130452/the-fluid-limit-of-the-critical-processor-sharing-tandem-queue" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130452.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">323</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">652</span> Comparison of the Dose Reached to the Rectum and Bladder in Two Treatment Methods by Tandem and Ovoid and Tandem and Ring in the High Dose Rate Brachytherapy of Cervical Cancer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akbar%20Haghzadeh%20Saraskanroud">Akbar Haghzadeh Saraskanroud</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20Hossein%20Yahyavi%20Zanjani"> Amir Hossein Yahyavi Zanjani</a>, <a href="https://publications.waset.org/abstracts/search?q=Niloofar%20Kargar"> Niloofar Kargar</a>, <a href="https://publications.waset.org/abstracts/search?q=Hanieh%20Ahrabi"> Hanieh Ahrabi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cervical cancer refers to an unusual growth of cells in the cervix. The cervix is the lower part of the uterus, which connects to the vagina. Various risk factors such as human papillomavirus (HPV), having a weakened immune system, smoking or breathing in secondhand smoke, reproductive factors, and obesity play important roles in causing most cervical cancers. When cervical cancer happens, surgery is often the first treatment option to remove it. Other treatments might include chemotherapy and targeted therapy medicines. Radiation therapy with high-energy photon beams also may be used. Sometimes combined treatment, including radiation with low-dose chemotherapy, was applied. Intracavitary brachytherapy is an integral part of radiotherapy for locally advanced gynecologic malignancies such as cervical cancer. In the treatment of cervical cancer, there are different tools for doing brachytherapy. Two combinations of different applicators for this purpose are Tandem and Ovoid and Tandem and Ring. This study evaluated the dose differences between these two methods in the organs at risk of the rectum, sigmoid, and bladder. In this study, the treatment planswere simulated by the Oncentra treatment planning system and Tandem, Ovid, and Rings of different sizes. CT scan images of 23 patients were treated with HDR_BT Elekta Flexitron system were used for this study. Contouring of HR-CTV, rectum and bladder was performed for all patients. Then, the received dose of 0.1 and 0.2cc volumes of organs at risk were obtained and compared for these two methods: T-Ovoid and T-Ring. By doing investigations and dose measurements of points A and B and the volumes specified by ICRU, it seems that when comparing ring and ovoid to tandem and ovoid, the total dose to the rectum was lower by about 11%, and the bladder was 7%. In the case of HR CTV, this comparison showed that this ratio is about 7% better. Figure 1 shows the amount of decrease in rectum dose in the T-Ring method compared to T-Ovoid. Figure 2 indicates the amount of decrease in bladder dose in the T-Ring method compared to T-Ovoid. Finally, figure 3 illustrates the amount of HR-CTV coverage in the T-Ring method compared to the T-Ovoid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cervical%20cancer" title="cervical cancer">cervical cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=brachytherapy" title=" brachytherapy"> brachytherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=rectum" title=" rectum"> rectum</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20and%20ovoid" title=" tandem and ovoid"> tandem and ovoid</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20and%20ring." title=" tandem and ring."> tandem and ring.</a> </p> <a href="https://publications.waset.org/abstracts/187948/comparison-of-the-dose-reached-to-the-rectum-and-bladder-in-two-treatment-methods-by-tandem-and-ovoid-and-tandem-and-ring-in-the-high-dose-rate-brachytherapy-of-cervical-cancer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/187948.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">43</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">651</span> Numerical Simulation of Multiple Arrays Arrangement of Micro Hydro Power Turbines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20At-Tasneem">M. A. At-Tasneem</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20T.%20Rao"> N. T. Rao</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20M.%20Y.%20S.%20Tuan%20Ya"> T. M. Y. S. Tuan Ya</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20S.%20Idris"> M. S. Idris</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ammar"> M. Ammar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> River flow over micro hydro power (MHP) turbines of multiple arrays arrangement is simulated with computational fluid dynamics (CFD) software to obtain the flow characteristics. In this paper, CFD software is used to simulate the water flow over MHP turbines as they are placed in a river. Multiple arrays arrangement of MHP turbines lead to generate large amount of power. In this study, a river model is created and simulated in CFD software to obtain the water flow characteristic. The process then continued by simulating different types of arrays arrangement in the river model. A MHP turbine model consists of a turbine outer body and static propeller blade in it. Five types of arrangements are used which are parallel, series, triangular, square and rhombus with different spacing sizes. The velocity profiles on each MHP turbines are identified at the mouth of each turbine bodies. This study is required to obtain the arrangement with increasing spacing sizes that can produce highest power density through the water flow variation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro%20hydro%20power" title="micro hydro power">micro hydro power</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=arrays%20arrangement" title=" arrays arrangement"> arrays arrangement</a>, <a href="https://publications.waset.org/abstracts/search?q=spacing%20sizes" title=" spacing sizes"> spacing sizes</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity%20profile" title=" velocity profile"> velocity profile</a>, <a href="https://publications.waset.org/abstracts/search?q=power" title=" power"> power</a> </p> <a href="https://publications.waset.org/abstracts/5348/numerical-simulation-of-multiple-arrays-arrangement-of-micro-hydro-power-turbines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5348.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">358</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">650</span> Performance and Lifetime of Tandem Organic Solar Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Guillaume%20Schuchardt">Guillaume Schuchardt</a>, <a href="https://publications.waset.org/abstracts/search?q=Solenn%20Berson"> Solenn Berson</a>, <a href="https://publications.waset.org/abstracts/search?q=Gerard%20Perrier"> Gerard Perrier</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Multi-junction solar cell configurations, where two sub-cells with complementary absorption are stacked and connected in series, offer an exciting approach to tackle the single junction limitations of organic solar cells and improve their power conversion efficiency. However, the augmentation of the number of layers has, as a consequence, to increase the risk of reducing the lifetime of the cell due to the ageing phenomena present at the interfaces. In this work, we study the intrinsic degradation mechanisms, under continuous illumination AM1.5G, inert atmosphere and room temperature, in single and tandem organic solar cells using Impedance Spectroscopy, IV Curves, External Quantum Efficiency, Steady-State Photocarrier Grating, Scanning Kelvin Probe and UV-Visible light. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=single%20and%20tandem%20organic%20solar%20cells" title="single and tandem organic solar cells">single and tandem organic solar cells</a>, <a href="https://publications.waset.org/abstracts/search?q=intrinsic%20degradation%20mechanisms" title=" intrinsic degradation mechanisms"> intrinsic degradation mechanisms</a>, <a href="https://publications.waset.org/abstracts/search?q=characterization%3A%20SKP" title=" characterization: SKP"> characterization: SKP</a>, <a href="https://publications.waset.org/abstracts/search?q=EQE" title=" EQE"> EQE</a>, <a href="https://publications.waset.org/abstracts/search?q=SSPG" title=" SSPG"> SSPG</a>, <a href="https://publications.waset.org/abstracts/search?q=UV-Visible" title=" UV-Visible"> UV-Visible</a>, <a href="https://publications.waset.org/abstracts/search?q=Impedance%20Spectroscopy" title=" Impedance Spectroscopy"> Impedance Spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20simulation" title=" optical simulation"> optical simulation</a> </p> <a href="https://publications.waset.org/abstracts/46112/performance-and-lifetime-of-tandem-organic-solar-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46112.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">362</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">649</span> Effective Tandem Mesh Nebulisation of Pulmonary Vasodilator and Bronchodilators in Critical Respiratory Failure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nathalie%20Bolding">Nathalie Bolding</a>, <a href="https://publications.waset.org/abstracts/search?q=Marta%20Montero"> Marta Montero</a>, <a href="https://publications.waset.org/abstracts/search?q=Joaquim%20Cevallos"> Joaquim Cevallos</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20F.%20Martin-Lazaro"> Juan F. Martin-Lazaro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Inhaled epoprostenol (iEPO) have been shown to improve PaO2:FiO2 (PF) in combination with bronchodilators (BD). However, there is not an available device to deliver these two therapies concomitantly. We describe a new method to provide this therapy successfully. Objective: To evaluate the response to continuous nebulization of iEPO and intermittent nebulization of Salbutamol/Ipratropium bromide in adults with severe respiratory failure through a double mesh nebulisation in tandem. Methods: This observational study included two mechanical ventilated adults under hourly ventilatory, gasometrical and clinical measurements during 48h. Both had severe respiratory failure treated with continuous iEPO (50 – 200 micrograms/h) and BD (Salbutamol 2.5 mg and Ipratropium bromide 500 mcg every 6 hours) through double mesh nebulisation (Aerogen solo®) placed in tandem in the dry side of the humidificator. The primary endpoints were the variables associated with a positive response to this tandem nebulised therapy (PaFiO2 index, ROX index). Secondary endpoints were laboratory (ABG) clinical and ventilatory variables. Statistical analysis (SPSS v29) included linear regression and ANOVA. Results: The patients included (n=2) survived, both extubated, one after ECMO therapy. Severe acute respiratory failure had a positive response rate to continuous iEPO and intermittent BD: PaFiO2 increased (7.40 to 30.91; P75: 27%) as well as ROX index (2.91 to 11.43; P75: 33%). There was a linear correlation of improvement between iEPO with PaFiO2 (ANOVA, r=0.393, p<0.002) and ROX (r=0.419, p<0.001). iEPO+BD therapy did not show any complications. Conclusion: Continuous and intermittent mesh tandem nebulisation can be effectively delivered with this method with a positive effect in ventilatory parameters without observed complications. Randomised studies will be able to provide reassurance in this new therapy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tandem" title="tandem">tandem</a>, <a href="https://publications.waset.org/abstracts/search?q=mesh" title=" mesh"> mesh</a>, <a href="https://publications.waset.org/abstracts/search?q=nebulisers" title=" nebulisers"> nebulisers</a>, <a href="https://publications.waset.org/abstracts/search?q=pulmonary" title=" pulmonary"> pulmonary</a>, <a href="https://publications.waset.org/abstracts/search?q=vasoldilators" title=" vasoldilators"> vasoldilators</a>, <a href="https://publications.waset.org/abstracts/search?q=bronchodilators" title=" bronchodilators"> bronchodilators</a>, <a href="https://publications.waset.org/abstracts/search?q=respiratory" title=" respiratory"> respiratory</a>, <a href="https://publications.waset.org/abstracts/search?q=failure" title=" failure"> failure</a> </p> <a href="https://publications.waset.org/abstracts/173820/effective-tandem-mesh-nebulisation-of-pulmonary-vasodilator-and-bronchodilators-in-critical-respiratory-failure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173820.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">83</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">648</span> New Method for the Determination of Montelukast in Human Plasma by Solid Phase Extraction Using Liquid Chromatography Tandem Mass Spectrometry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vijayalakshmi%20Marella">Vijayalakshmi Marella</a>, <a href="https://publications.waset.org/abstracts/search?q=NageswaraRaoPilli"> NageswaraRaoPilli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper describes a simple, rapid and sensitive liquid chromatography / tandem mass spectrometry assay for the determination of montelukast in human plasma using montelukast d6 as an internal standard. Analyte and the internal standard were extracted from 50 µL of human plasma via solid phase extraction technique without evaporation, drying and reconstitution steps. The chromatographic separation was achieved on a C18 column by using a mixture of methanol and 5mM ammonium acetate (80:20, v/v) as the mobile phase at a flow rate of 0.8 mL/min. Good linearity results were obtained during the entire course of validation. Method validation was performed as per FDA guidelines and the results met the acceptance criteria. A run time of 2.5 min for each sample made it possible to analyze more number of samples in short time, thus increasing the productivity. The proposed method was found to be applicable to clinical studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Montelukast" title="Montelukast">Montelukast</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20mass%20spectrometry" title=" tandem mass spectrometry"> tandem mass spectrometry</a>, <a href="https://publications.waset.org/abstracts/search?q=montelukast%20d6" title=" montelukast d6"> montelukast d6</a>, <a href="https://publications.waset.org/abstracts/search?q=FDA%20guidelines" title=" FDA guidelines"> FDA guidelines</a> </p> <a href="https://publications.waset.org/abstracts/29304/new-method-for-the-determination-of-montelukast-in-human-plasma-by-solid-phase-extraction-using-liquid-chromatography-tandem-mass-spectrometry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29304.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">315</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">647</span> Cadaveric Study of Lung Anatomy: A Surgical Overview</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arthi%20Ganapathy">Arthi Ganapathy</a>, <a href="https://publications.waset.org/abstracts/search?q=Rati%20Tandon"> Rati Tandon</a>, <a href="https://publications.waset.org/abstracts/search?q=Saroj%20Kaler"> Saroj Kaler</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: A thorough knowledge of variations in lung anatomy is of prime significance during surgical procedures like lobectomy, pneumonectomy, and segmentectomy of lungs. The arrangement of structures in the lung hilum act as a guide in performing such procedures. The normal pattern of arrangement of hilar structures in the right lung is eparterial bronchus, pulmonary artery, hyparterial bronchus and pulmonary veins from above downwards. In the left lung, it is pulmonary artery, principal bronchus and pulmonary vein from above downwards. The arrangement of hilar structures from anterior to posterior in both the lungs is pulmonary vein, pulmonary artery, and principal bronchus. The bronchial arteries are very small and usually the posterior most structures in the hilum of lungs. Aim: The present study aims at reporting the variations in hilar anatomy (arrangement and number) of lungs. Methodology: 75 adult formalin fixed cadaveric lungs from the department of Anatomy AIIMS New Delhi were observed for variations in the lobar anatomy. Arrangement of pulmonary hilar structures was meticulously observed, and any deviation in the pattern of presentation was recorded. Results: Among the 75 adult lung specimens observed 36 specimens were of right lung and the rest of left lung. Seven right lung specimens showed only 2 lobes with an oblique fissure dividing them and one left lung showed 3 lobes. The normal pattern of arrangement of hilar structures was seen in 22 right lungs and 23 left lungs. Rest of the lung specimens (14 right and 16 left) showed a varied pattern of arrangement of hilar structures. Some of them showed alterations in the sequence of arrangement of pulmonary artery, pulmonary veins, bronchus, and others in the number of these structures. Conclusion: Alterations in the pattern of arrangement of structures in the lung hilum are quite frequent. A compromise in knowledge of such variations will result in inadvertent complications like intraoperative bleeding during surgical procedures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fissures" title="fissures">fissures</a>, <a href="https://publications.waset.org/abstracts/search?q=hilum" title=" hilum"> hilum</a>, <a href="https://publications.waset.org/abstracts/search?q=lobes" title=" lobes"> lobes</a>, <a href="https://publications.waset.org/abstracts/search?q=pulmonary" title=" pulmonary"> pulmonary</a> </p> <a href="https://publications.waset.org/abstracts/77925/cadaveric-study-of-lung-anatomy-a-surgical-overview" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77925.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">224</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">646</span> 3D Numerical Simulation on Annular Diffuser Temperature Distribution Enhancement by Different Twist Arrangement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ehan%20Sabah%20Shukri">Ehan Sabah Shukri</a>, <a href="https://publications.waset.org/abstracts/search?q=Wirachman%20Wisnoe"> Wirachman Wisnoe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The influence of twist arrangement on the temperature distribution in an annular diffuser fitted with twisted rectangular hub is investigated. Different pitches (Y = 120 mm, 100 mm, 80 mm, and 60 mm) for the twist arrangements are simulated to be compared. The geometry of the annular diffuser and the inlet condition for the hub arrangements are kept constant. The result reveals that using twisted rectangular hub insert with different pitches will force the temperature to distribute in a circular direction. However, temperature distribution will be enhanced with the length pitch increases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulation" title="numerical simulation">numerical simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=twist%20arrangement" title=" twist arrangement"> twist arrangement</a>, <a href="https://publications.waset.org/abstracts/search?q=annular%20diffuser" title=" annular diffuser"> annular diffuser</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature%20distribution" title=" temperature distribution"> temperature distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=swirl%20flow" title=" swirl flow"> swirl flow</a>, <a href="https://publications.waset.org/abstracts/search?q=pitches" title=" pitches"> pitches</a> </p> <a href="https://publications.waset.org/abstracts/12978/3d-numerical-simulation-on-annular-diffuser-temperature-distribution-enhancement-by-different-twist-arrangement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12978.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">645</span> Determination of Flow Arrangement for Optimum Performance in Heat Exchangers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Salisu%20Atiku">Ahmed Salisu Atiku</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This task involves the determination of the flow arrangement for optimum performance and the calculation of total heat transfer of two identical double pipe heat exchangers in series. The inner pipe contains the cold water stream at 27°C, whilst the outer pipe contains the two hot stream of water at 50°C and 90 °C which can be mixed in any way desired. The analysis was carried out using counter flow arrangement due to its good heat transfer ability. The best way of heating this cold stream was found out to be passing the 90°C hot stream through the two heat exchangers. The outlet temperature of the cold stream was found to be 39.6°C and overall heat transfer of 131.3 kW. Though starting with 50°C hot stream in the first heat exchanger followed by 90°C hot stream in the second heat exchanger gives an outlet temperature almost the same as 90°C hot stream alone, but the heat transfer is low. The reason for the low heat transfer was that only the heat transfer in the second heat exchanger is considered. Whilst the reason behind high outlet temperature was that the cold stream was already preheated by the first stream. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cold%20stream" title="cold stream">cold stream</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20arrangement" title=" flow arrangement"> flow arrangement</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=hot%20stream" title=" hot stream"> hot stream</a> </p> <a href="https://publications.waset.org/abstracts/51973/determination-of-flow-arrangement-for-optimum-performance-in-heat-exchangers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51973.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">323</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">644</span> Comprehending the Relationship between the Red Blood Cells of a Protein 4.1 -/- Patient and Those of Healthy Controls: A Comprehensive Analysis of Tandem Mass Spectrometry Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Hjazi">Ahmed M. Hjazi</a>, <a href="https://publications.waset.org/abstracts/search?q=Bader%20M.%20Hjazi"> Bader M. Hjazi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Protein 4.1 is a crucial component of complex interactions between the cytoskeleton and other junctional complex proteins. When the gene encoding this protein is altered, resulting in reduced expression, or when the protein is absent, the red cell undergoes a significant structural change. This research aims to achieve a deeper comprehension of the biochemical effects of red cell protein deficiency. A Tandem Mass Spectrometry Analysis (TMT-MS/MS) of patient cells lacking protein 4.1 compared to three healthy controls was achieved by the Proteomics Institute of the University of Bristol. The SDS-PAGE and Western blotting were utilized on the original patient sample and controls to partially confirm TMT MS/MS data analysis of the protein-4.1-deficient cells. Compared to healthy controls, protein levels in samples lacking protein 4.1 had a significantly higher concentration of proteins that probably originated from reticulocytes. This could occur if the patient has an elevated reticulocyte count. The increase in chaperone and reticulocyte-associated proteins was most notable in this study. This may result from elevated quantities of reticulocytes in patients with hereditary elliptocytosis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hereditary%20elliptocytosis" title="hereditary elliptocytosis">hereditary elliptocytosis</a>, <a href="https://publications.waset.org/abstracts/search?q=protein%204.1" title=" protein 4.1"> protein 4.1</a>, <a href="https://publications.waset.org/abstracts/search?q=red%20cells" title=" red cells"> red cells</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20mass%20spectrometry%20data." title=" tandem mass spectrometry data."> tandem mass spectrometry data.</a> </p> <a href="https://publications.waset.org/abstracts/165174/comprehending-the-relationship-between-the-red-blood-cells-of-a-protein-41-patient-and-those-of-healthy-controls-a-comprehensive-analysis-of-tandem-mass-spectrometry-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165174.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">79</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">643</span> The Positive Effects of Top-Sharing: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maike%20Andresen">Maike Andresen</a>, <a href="https://publications.waset.org/abstracts/search?q=Georg%20Dochtmann"> Georg Dochtmann</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to political, social, and societal changes in labor organization, top-sharing, defined as job-sharing in leading positions, becomes more important in HRM. German companies are looking for practical and economically meaningful solutions that allow to enduringly increase women’s ratio in management, not only because of a recently implemented quota. Furthermore, supporting employees in achieving work-life balance is perceived as an important goal for a sustainable HRM to gain competitive advantage. Top-sharing is seen as being suitable to reach both goals. To evaluate determinants leading to effective top-sharing, a case study of a newly implemented top-sharing tandem in a large German enterprise was conducted over a period of 15 months. In this company, a full leadership position was split into two 60%-part-time positions held by an experienced female leader in her late career and a female college who took over her first leadership position (mid-career). We assumed a person-person fit in terms of a match of the top sharing partners’ personality profiles (Big Five) and their leadership motivations to be important prerequisites for an effective collaboration between them. We evaluated the person-person fit variables once before the tandem started to work. Both leaders were expected to learn from each other (mentoring, competency development). On an operational level, they were supposed to lead together the same employees in an effective manner (leader-member exchange), presupposing an effective cooperation between both (handing over information). To see developments over time, these processes were evaluated three times over the span of the project. Top-Sharing and the underlined processes are expected to positively influence the tandem’s performance which has been evaluated twice, at the beginning and the end of the project, to assess its development over time as well. The evaluation of the personality and the basic motives suggests that both executives can be a successful top-sharing tandem. The competency evaluations (supervisor as well as self-assessment) increased over the time span. Although the top sharing tandem worked on equal terms, they implemented rather classical than peer-mentoring due to different career ambitions of the tandem partners. Thus, opportunities were not used completely. Team-member exchange scores proved the good cooperation between the top-sharers. Although the employees did not evaluate the leader-member-exchange between them and the two leaders of the tandem homogeneously, the top-sharing tandem itself did not have the impression that the employees’ task performance depended on whom of the tandem was responsible for the task. Furthermore, top-sharing did not negatively influence the performance of both leaders. During qualitative interviews with the top-sharers and their team, we found that the top-sharers could focus more easily on their tasks. The results suggest positive outcomes of top-sharing (e.g. competency improvement, learning from each other through mentoring). Top-Sharing does not hamper performance. Thus, further research and practical implementations are suggested. As part-time jobs are still more often a female solution to increase their work-life- and work-family-balance, top-sharing may be a suitable solution to increase the woman’s ratio in leadership positions as well as to sustainable increase work-life-balance of executives. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mentoring" title="mentoring">mentoring</a>, <a href="https://publications.waset.org/abstracts/search?q=part-time%20leadership" title=" part-time leadership"> part-time leadership</a>, <a href="https://publications.waset.org/abstracts/search?q=top-sharing" title=" top-sharing"> top-sharing</a>, <a href="https://publications.waset.org/abstracts/search?q=work-life-balance" title=" work-life-balance"> work-life-balance</a> </p> <a href="https://publications.waset.org/abstracts/47182/the-positive-effects-of-top-sharing-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47182.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">265</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">642</span> Influence of the Seat Arrangement in Public Reading Spaces on Individual Subjective Perceptions </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jo-Han%20Chang">Jo-Han Chang</a>, <a href="https://publications.waset.org/abstracts/search?q=Chung-Jung%20Wu"> Chung-Jung Wu </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study involves a design proposal. The objective of is to create a seat arrangement model for public reading spaces that enable free arrangement without disturbing the users. Through a subjective perception scale, this study explored whether distance between seats and direction of seats influence individual subjective perceptions in a public reading space. This study also involves analysis of user subjective perceptions when reading in the settings on 3 seats at different directions and with 5 distances between seats. The results may be applied to public chair design. This study investigated that (a) whether different directions of seats and distances between seats influence individual subjective perceptions and (b) the acceptable personal space between 2 strangers in a public reading space. The results are shown as follows: (a) the directions of seats and distances between seats influenced individual subjective perceptions. (b) subjective evaluation scores were higher for back-to-back seat directions with Distances A (10 cm) and B (62 cm) compared with face-to-face and side-by-side seat directions; however, when the seat distance exceeded 114 cm (Distance C), no difference existed among the directions of seats. (c) regarding reading in public spaces, when the distance between seats is 10 cm only, we recommend arranging the seats in a back-to-back fashion to increase user comfort and arrangement of face-to-face and side- by-side seat directions should be avoided. When the seat arrangement is limited to face-to-face design, the distance between seats should be increased to at least 62 cm. Moreover, the distance between seats should be increased to at least 114 cm for side- by-side seats to elevate user comfort. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=individual%20subjective%20perceptions" title="individual subjective perceptions">individual subjective perceptions</a>, <a href="https://publications.waset.org/abstracts/search?q=personal%20space" title=" personal space"> personal space</a>, <a href="https://publications.waset.org/abstracts/search?q=seat%20arrangement" title=" seat arrangement"> seat arrangement</a>, <a href="https://publications.waset.org/abstracts/search?q=direction" title=" direction"> direction</a>, <a href="https://publications.waset.org/abstracts/search?q=distances" title=" distances"> distances</a> </p> <a href="https://publications.waset.org/abstracts/8520/influence-of-the-seat-arrangement-in-public-reading-spaces-on-individual-subjective-perceptions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8520.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">427</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">641</span> Numerical Simulation of Two-Dimensional Porous Cylinder Flow in In-Line Arrangement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamad%20Alhajeri">Hamad Alhajeri</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulrahman%20Almutairi"> Abdulrahman Almutairi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20H.%20Alenezi"> A. H. Alenezi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Alhajeri"> M. H. Alhajeri</a>, <a href="https://publications.waset.org/abstracts/search?q=Ayedh%20Alajmi"> Ayedh Alajmi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The flow around three porous cylinders in inline arrangement is investigated in this paper computationally using the commercial code FLUENT. The arrangement generally operates with the dirty gases passing through the porous cylinders, the particulate material being deposited on the outside of the cylinders. However, in a combined cycle power plant, filtration is required to allow the hot exhaust gases to be fed to a turbine without causing any physical damage to the turbine blades. Three cylinder elements are placed in a two-dimensional rectangle duct with fixed face velocity and varying the velocity ratio between the approach and face velocity. Particle trajectories are obtained for a number of particle diameters and different inlet (approach) velocity to face filtration velocity ratios to investigate the behavior of particles around the cylinder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=porous%20cylinders" title="porous cylinders">porous cylinders</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=fluid%20flow" title=" fluid flow"> fluid flow</a>, <a href="https://publications.waset.org/abstracts/search?q=filtration" title=" filtration"> filtration</a> </p> <a href="https://publications.waset.org/abstracts/82446/numerical-simulation-of-two-dimensional-porous-cylinder-flow-in-in-line-arrangement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82446.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">484</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">640</span> Tandem Concentrated Photovoltaic-Thermoelectric Hybrid System: Feasibility Analysis and Performance Enhancement Through Material Assessment Methodology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shuwen%20Hu">Shuwen Hu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuancheng%20Lou"> Yuancheng Lou</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongxu%20Ji"> Dongxu Ji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Photovoltaic (PV) power generation, as one of the most commercialized methods to utilize solar power, can only convert a limited range of solar spectrum into electricity, whereas the majority of the solar energy is dissipated as heat. To address this problem, thermoelectric (TE) module is often integrated with the concentrated PV module for waste heat recovery and regeneration. In this research, a feasibility analysis is conducted for the tandem concentrated photovoltaic-thermoelectric (CPV-TE) hybrid system considering various operational parameters as well as TE material properties. Furthermore, the power output density of the CPV-TE hybrid system is maximized by selecting the optimal TE material with application of a systematic assessment methodology. In the feasibility analysis, CPV-TE is found to be more advantageous than sole CPV system except under high optical concentration ratio with low cold side convective coefficient. It is also shown that the effects of the TE material properties, including Seebeck coefficient, thermal conductivity, and electrical resistivity, on the feasibility of CPV-TE are interacted with each other and might have opposite effect on the system performance under different operational conditions. In addition, the optimal TE material selected by the proposed assessment methodology can improve the system power output density by 227 W/m2 under highly concentrated solar irradiance hence broaden the feasible range of CPV-TE considering optical concentration ratio. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=feasibility%20analysis" title="feasibility analysis">feasibility analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=material%20assessment%20methodology" title=" material assessment methodology"> material assessment methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic%20waste%20heat%20recovery" title=" photovoltaic waste heat recovery"> photovoltaic waste heat recovery</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20photovoltaic-thermoelectric" title=" tandem photovoltaic-thermoelectric"> tandem photovoltaic-thermoelectric</a> </p> <a href="https://publications.waset.org/abstracts/162419/tandem-concentrated-photovoltaic-thermoelectric-hybrid-system-feasibility-analysis-and-performance-enhancement-through-material-assessment-methodology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162419.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">72</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">639</span> Far-Field Noise Prediction of Tandem Cylinders Using Incompressible Large Eddy Simulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jesus%20Ruano">Jesus Ruano</a>, <a href="https://publications.waset.org/abstracts/search?q=Francesc%20Xavier%20Trias"> Francesc Xavier Trias</a>, <a href="https://publications.waset.org/abstracts/search?q=Asensi%20Oliva"> Asensi Oliva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A three-dimensional incompressible Large Eddy Simulation (LES) is performed to compute the hydrodynamic field around a pair of tandem cylinders. Symmetry-preserving schemes will be used during this simulation in conjunction with Finite Volume Method (FVM) to obtain the hydrodynamic field around the selected geometry. A set of results consisting of pressure and velocity and the combination of them will be stored at different surfaces near the cylinders as the initial input for the second part of the study. A post-processing of the obtained results based on Ffowcs-Williams and Hawkings (FWH) equation with a Fourier Transform of the acoustic sources will be used to compute noise at several probes located far away from the region where the hydrodynamics are computed. Directivities as well as spectral profile of the obtained acoustic field will be analyzed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=far-field%20noise" title="far-field noise">far-field noise</a>, <a href="https://publications.waset.org/abstracts/search?q=Ffowcs-Williams%20and%20Hawkings" title=" Ffowcs-Williams and Hawkings"> Ffowcs-Williams and Hawkings</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20volume%20method" title=" finite volume method"> finite volume method</a>, <a href="https://publications.waset.org/abstracts/search?q=large%20eddy%20simulation" title=" large eddy simulation"> large eddy simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=long-span%20bodies" title=" long-span bodies"> long-span bodies</a> </p> <a href="https://publications.waset.org/abstracts/58458/far-field-noise-prediction-of-tandem-cylinders-using-incompressible-large-eddy-simulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58458.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">376</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">638</span> Living Arrangement of Elderly in India: An Exploration from BKPAI Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jitendra%20Gouda">Jitendra Gouda</a>, <a href="https://publications.waset.org/abstracts/search?q=Chander%20Shekhar"> Chander Shekhar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the addition of 27 million elderly in India in past census decade from 2001 to 2011, it is imperative to work towards exploring the issues and concerns of this increasingly aged population. In Indian society, the elderly person is assumed to be looked after by the family members, especially by children but with changing economy, society, and lifestyle, this assumption demands examining. This paper is an attempt to explore the living arrangement of the elderly and their perceptions about this in India. The findings are based on the BKPAI dataset of 2011, which was conducted in seven states – Himachal Pradesh, Kerala, Maharashtra, Odisha, Punjab, Tamil Nadu, and West Bengal. The result shows that three fourth of elderly lives with their children. Having son and staying with children is positively associated among elderly. More than 40 percent as compared to 37 percent of elderly feels comfortable living with sons and daughters respectively. Half of elderly across sexes viewed that sons are the best person to live with. The result of discriminant analysis suggest that health status and living arrangement of elderly are the good discriminators to ensure their importance in the family. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=discriminant%20analysis" title="discriminant analysis">discriminant analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=elderly" title=" elderly"> elderly</a>, <a href="https://publications.waset.org/abstracts/search?q=India" title=" India"> India</a>, <a href="https://publications.waset.org/abstracts/search?q=living%20arrangment" title=" living arrangment"> living arrangment</a> </p> <a href="https://publications.waset.org/abstracts/40726/living-arrangement-of-elderly-in-india-an-exploration-from-bkpai-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40726.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">326</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">637</span> Simultaneous Determination of Bisphenol a, Phtalates and Its Metabolites in Human Urine, by Tandem SPE Coupled to GC-MS</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20Correia-S%C3%A1">L. Correia-Sá</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Norberto"> S. Norberto</a>, <a href="https://publications.waset.org/abstracts/search?q=Concei%C3%A7%C3%A3o%20Calhau"> Conceição Calhau</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Delerue-Matos"> C. Delerue-Matos</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20F.%20Domingues"> V. F. Domingues</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Endocrine disruptor chemicals (EDCs) are synthetic compounds that even though being initially designed for a specific function are now being linked with a wide range of side effects. The list of possible EDCs is growing and includes phthalates and bisphenol A (BPA). Phthalates are one of the most widely used plasticizers to improve the extensibility, elasticity and workability of polyvinyl chloride (PVC), polyvinyl acetates, etc. Considered non-toxic and harmless additives for polymers, they were used unrestrainedly all over the world for several decades. However, recent studies have indicated that some phthalates and their metabolic products are reproductive and developmental toxicants in animals and suspected endocrine disruptors in humans. BPA (2,2-bis(4-hydroxyphenyl)propane) is a high production volume chemical mainly used in the production of polycarbonate plastics and epoxy resins. Although BPA was initially considered to be a weak environmental estrogen, nowadays it is known that this compound can stimulate several cellular responses at very low levels of concentrations. The aim of this study was to develop a method based on tandem SPE to evaluate the presence of phthalates, metabolites and BPA in human urine samples. The analyzed compounds included: dibutyl phthalate (DBP) and di-2-ethylhexyl phthalate (DEHP), BPA, mono-isobutyl phthalate (MiBP), monobutyl phthalate (MBP) and. mono-(2-ethyl-5-oxohexyl) (MEOHP). Two SPE cartridges were applied both from Phenomenex, the strata X polymeric reversed phase and the strata X A (Strong anion). Chromatographic analyses were carried out in a Thermo GC ULTRA GC-MS/MS. Good recoveries and linear calibration curves were obtained. After validation, the methodology was applied to human urine samples for phthalates, metabolites and BPA evaluation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bisphenol%20A%20%28BPA%29" title="Bisphenol A (BPA)">Bisphenol A (BPA)</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20chromatography" title=" gas chromatography"> gas chromatography</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolites" title=" metabolites"> metabolites</a>, <a href="https://publications.waset.org/abstracts/search?q=phtalates" title=" phtalates"> phtalates</a>, <a href="https://publications.waset.org/abstracts/search?q=SPE" title=" SPE"> SPE</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem%20mode" title=" tandem mode"> tandem mode</a> </p> <a href="https://publications.waset.org/abstracts/26728/simultaneous-determination-of-bisphenol-a-phtalates-and-its-metabolites-in-human-urine-by-tandem-spe-coupled-to-gc-ms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26728.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">289</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">636</span> Optimized Design, Material Selection, and Improvement of Liners, Mother Plate, and Stone Box of a Direct Charge Transfer Chute in a Sinter Plant: A Computational Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anamitra%20Ghosh">Anamitra Ghosh</a>, <a href="https://publications.waset.org/abstracts/search?q=Neeladri%20Paul"> Neeladri Paul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work aims at investigating material combinations and thereby improvising an optimized design of liner-mother plate arrangement and that of the stone box, such that it has low cost, high weldability, sufficiently capable of withstanding the increased amount of corrosive shear and bending loads, and having reduced thermal expansion coefficient at temperatures close to 1000 degrees Celsius. All the above factors have been preliminarily examined using a computational approach via ANSYS Thermo-Structural Computation, a commercial software that uses the Finite Element Method to analyze the response of simulated design specimens of liner-mother plate arrangement and the stone box, to varied bending, shear, and thermal loads as well as to determine the temperature gradients developed across various surfaces of the designs. Finally, the optimized structural designs of the liner-mother plate arrangement and that of the stone box with improved material and better structural and thermal properties are selected via trial-and-error method. The final improvised design is therefore considered to enhance the overall life and reliability of a Direct Charge Transfer Chute that transfers and segregates the hot sinter onto the cooler in a sinter plant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=shear" title="shear">shear</a>, <a href="https://publications.waset.org/abstracts/search?q=bending" title=" bending"> bending</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal" title=" thermal"> thermal</a>, <a href="https://publications.waset.org/abstracts/search?q=sinter" title=" sinter"> sinter</a>, <a href="https://publications.waset.org/abstracts/search?q=simulated" title=" simulated"> simulated</a>, <a href="https://publications.waset.org/abstracts/search?q=optimized" title=" optimized"> optimized</a>, <a href="https://publications.waset.org/abstracts/search?q=charge" title=" charge"> charge</a>, <a href="https://publications.waset.org/abstracts/search?q=transfer" title=" transfer"> transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=chute" title=" chute"> chute</a>, <a href="https://publications.waset.org/abstracts/search?q=expansion" title=" expansion"> expansion</a>, <a href="https://publications.waset.org/abstracts/search?q=computational" title=" computational"> computational</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosive" title=" corrosive"> corrosive</a>, <a href="https://publications.waset.org/abstracts/search?q=stone%20box" title=" stone box"> stone box</a>, <a href="https://publications.waset.org/abstracts/search?q=liner" title=" liner"> liner</a>, <a href="https://publications.waset.org/abstracts/search?q=mother%20plate" title=" mother plate"> mother plate</a>, <a href="https://publications.waset.org/abstracts/search?q=arrangement" title=" arrangement"> arrangement</a>, <a href="https://publications.waset.org/abstracts/search?q=material" title=" material"> material</a> </p> <a href="https://publications.waset.org/abstracts/152960/optimized-design-material-selection-and-improvement-of-liners-mother-plate-and-stone-box-of-a-direct-charge-transfer-chute-in-a-sinter-plant-a-computational-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152960.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">109</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">635</span> Multiclass Analysis of Pharmaceuticals in Fish and Shrimp Tissues by High-Performance Liquid Chromatography-Tandem Mass Spectrometry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Pashaei">Reza Pashaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Reda%20Dzingelevi%C4%8Dien%C4%97"> Reda Dzingelevičienė</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An efficient, reliable, and sensitive multiclass analytical method has been expanded to simultaneously determine 15 human pharmaceutical residues in fish and shrimp tissue samples by ultra-high-performance liquid chromatography-tandem mass spectrometry. The investigated compounds comprise ten classes, namely analgesic, antibacterial, anticonvulsant, cardiovascular, fluoroquinolones, macrolides, nonsteroidal anti-inflammatory, penicillins, stimulant, and sulfonamide. A simple liquid extraction procedure based on 0.1% formic acid in methanol was developed. Chromatographic conditions were optimized, and mobile phase namely 0.1 % ammonium acetate (A), and acetonitrile (B): 0 – 2 min, 15% B; 2 – 5 min, linear to 95% B; 5 – 10 min, 95% B; and 10 – 12 min was obtained. Limits of detection and quantification ranged from 0.017 to 1.371 μg/kg and 0.051 to 4.113 μg/kg, respectively. Finally, amoxicillin, azithromycin, caffeine, carbamazepine, ciprofloxacin, clarithromycin, diclofenac, erythromycin, furosemide, ibuprofen, ketoprofen, naproxen, sulfamethoxazole, tetracycline, and triclosan were quantifiable in fish and shrimp samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fish" title="fish">fish</a>, <a href="https://publications.waset.org/abstracts/search?q=liquid%20chromatography" title=" liquid chromatography"> liquid chromatography</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20spectrometry" title=" mass spectrometry"> mass spectrometry</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmaceuticals" title=" pharmaceuticals"> pharmaceuticals</a>, <a href="https://publications.waset.org/abstracts/search?q=shrimp" title=" shrimp"> shrimp</a>, <a href="https://publications.waset.org/abstracts/search?q=solid-phase%20extraction" title=" solid-phase extraction"> solid-phase extraction</a> </p> <a href="https://publications.waset.org/abstracts/143257/multiclass-analysis-of-pharmaceuticals-in-fish-and-shrimp-tissues-by-high-performance-liquid-chromatography-tandem-mass-spectrometry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143257.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">262</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">634</span> Online Language Tandem: Focusing on Intercultural Communication Competence and Non-Verbal Cues</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amira%20Benabdelkader">Amira Benabdelkader</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Communication presents the channel by which humankind create and maintain their relationship with others, express themselves, exchange information, learn and teach etc. The context of communication plays a distinctive role in deciding about the language to be used. The term context is mainly used to refer to the interlocutors, their cultures, languages, relationship, physical surrounding that is the communication setting, type of the information to be transmitted, the topic etc. Cultures, on one hand, impose on humans certain behaviours, attitudes, gestures and beliefs. On the other hand, the focus on language is inevitable as it is with its verbal and non-verbal components, a key tool in and for communication. Moreover, each language has its particularity in how people voice, address and express their thoughts, feelings and beliefs. Being in the same setting with people from different cultures and languages and having conversations with them would call upon the intercultural communicative competence. This latter would promote the success of their conversations. Additionally, this competence could manifest in several ways during their interactions, to the extent that no one can predict when and how the interlocutors would use it. The only thing probably that could be confirmed is that the setting and culture would in a way or another intervene and often shape the flow of their communication, if not the whole communication. Therefore, this paper will look at the intercultural communicative competence of language learners when introducing their cultures to each other in an online language tandem (henceforth OLT) using their second and/or foreign language with the L1 language speakers. The participants of this study are Algerian (use L2: French, FL: English), British (L1: English, L2/FL: French). In other words, this current paper will provide a qualitative analysis of the OLT experiment by emphasising how language learners can overcome the cultural differences in an intercultural setting while communicating online using Skype (video conversations) with people from different countries, cultures and L1. The non-verbal cues will have the lion share in the analysis by focusing on how they have been used to maintain this intercultural communication or hinder it through the misinterpretation of gestures, head movements, grimaces etc. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intercultural%20communicative%20competence" title="intercultural communicative competence">intercultural communicative competence</a>, <a href="https://publications.waset.org/abstracts/search?q=non-verbal%20cues" title=" non-verbal cues"> non-verbal cues</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20language%20tandem" title=" online language tandem"> online language tandem</a>, <a href="https://publications.waset.org/abstracts/search?q=Skype" title=" Skype"> Skype</a> </p> <a href="https://publications.waset.org/abstracts/65461/online-language-tandem-focusing-on-intercultural-communication-competence-and-non-verbal-cues" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65461.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">633</span> An Optimization Model for the Arrangement of Assembly Areas Considering Time Dynamic Area Requirements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michael%20Zenker">Michael Zenker</a>, <a href="https://publications.waset.org/abstracts/search?q=Henrik%20Prinzhorn"> Henrik Prinzhorn</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20B%C3%B6ning"> Christian Böning</a>, <a href="https://publications.waset.org/abstracts/search?q=Tom%20Strating"> Tom Strating</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Large-scale products are often assembled according to the job-site principle, meaning that during the assembly the product is located at a fixed position, while the area requirements are constantly changing. On one hand, the product itself is growing with each assembly step, whereas varying areas for storage, machines or working areas are temporarily required. This is an important factor when arranging products to be assembled within the factory. Currently, it is common to reserve a fixed area for each product to avoid overlaps or collisions with the other assemblies. Intending to be large enough to include the product and all adjacent areas, this reserved area corresponds to the superposition of the maximum extents of all required areas of the product. In this procedure, the reserved area is usually poorly utilized over the course of the entire assembly process; instead a large part of it remains unused. If the available area is a limited resource, a systematic arrangement of the products, which complies with the dynamic area requirements, will lead to an increased area utilization and productivity. This paper presents the results of a study on the arrangement of assembly objects assuming dynamic, competing area requirements. First, the problem situation is extensively explained, and existing research on associated topics is described and evaluated on the possibility of an adaptation. Then, a newly developed mathematical optimization model is introduced. This model allows an optimal arrangement of dynamic areas, considering logical and practical constraints. Finally, in order to quantify the potential of the developed method, some test series results are presented, showing the possible increase in area utilization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dynamic%20area%20requirements" title="dynamic area requirements">dynamic area requirements</a>, <a href="https://publications.waset.org/abstracts/search?q=facility%20layout%20problem" title=" facility layout problem"> facility layout problem</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization%20model" title=" optimization model"> optimization model</a>, <a href="https://publications.waset.org/abstracts/search?q=product%20assembly" title=" product assembly"> product assembly</a> </p> <a href="https://publications.waset.org/abstracts/56361/an-optimization-model-for-the-arrangement-of-assembly-areas-considering-time-dynamic-area-requirements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56361.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">233</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">632</span> Structural Elucidation of Intact Rough-Type Lipopolysaccharides using Field Asymmetric Ion Mobility Spectrometry and Kendrick Mass Defect Plots</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abanoub%20Mikhael">Abanoub Mikhael</a>, <a href="https://publications.waset.org/abstracts/search?q=Darryl%20Hardie"> Darryl Hardie</a>, <a href="https://publications.waset.org/abstracts/search?q=Derek%20Smith"> Derek Smith</a>, <a href="https://publications.waset.org/abstracts/search?q=Helena%20Petrosova"> Helena Petrosova</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20Ernst"> Robert Ernst</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Goodlett"> David Goodlett</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lipopolysaccharide (LPS) is a hallmark virulence factor of Gram-negative bacteria. It is a complex, structurally het- erogeneous mixture due to variations in number, type, and position of its simplest units: fatty acids and monosaccharides. Thus, LPS structural characterization by traditional mass spectrometry (MS) methods is challenging. Here, we describe the benefits of field asymmetric ion mobility spectrometry (FAIMS) for analysis of intact R-type lipopolysaccharide complex mixture (lipooligo- saccharide; LOS). Structural characterization was performed using Escherichia coli J5 (Rc mutant) LOS, a TLR4 agonist widely used in glycoconjugate vaccine research. FAIMS gas phase fractionation improved the (S/N) ratio and number of detected LOS species. Additionally, FAIMS allowed the separation of overlapping isobars facilitating their tandem MS characterization and un- equivocal structural assignments. In addition to FAIMS gas phase fractionation benefits, extra sorting of the structurally related LOS molecules was further accomplished using Kendrick mass defect (KMD) plots. Notably, a custom KMD base unit of [Na-H] created a highly organized KMD plot that allowed identification of interesting and novel structural differences across the different LOS ion families, i.e., ions with different acylation degrees, oligosaccharides composition, and chemical modifications. Defining the composition of a single LOS ion by tandem MS along with the organized KMD plot structural network was sufficient to deduce the composition of 181 LOS species out of 321 species present in the mixture. The combination of FAIMS and KMD plots allowed in-depth characterization of the complex LOS mixture and uncovered a wealth of novel information about its structural variations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lipopolysaccharide" title="lipopolysaccharide">lipopolysaccharide</a>, <a href="https://publications.waset.org/abstracts/search?q=ion%20mobility%20MS" title=" ion mobility MS"> ion mobility MS</a>, <a href="https://publications.waset.org/abstracts/search?q=Kendrick%20mass%20defect" title=" Kendrick mass defect"> Kendrick mass defect</a>, <a href="https://publications.waset.org/abstracts/search?q=Tandem%20mass%20spectrometry" title=" Tandem mass spectrometry"> Tandem mass spectrometry</a> </p> <a href="https://publications.waset.org/abstracts/173086/structural-elucidation-of-intact-rough-type-lipopolysaccharides-using-field-asymmetric-ion-mobility-spectrometry-and-kendrick-mass-defect-plots" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173086.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">71</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=tandem%20arrangement&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=10">10</a></li> <li class="page-item disabled"><span class="page-link">...</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=22">22</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=23">23</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tandem%20arrangement&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul 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