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Development of a Thermal Model Using COMSOL Multiphysics® Software

A. Oukaira [1], A. Lakhssassi [1],
[1] Department of Computer Science, Université du Québec en Outaouais à Hull, Gatineau, QC, Canada

The Purpose of this paper is to develop a thermal model using COMSOL Multiphysics® software that aims to get an idea of the heat flow around the ASIC, ...

Simulation of Flow in a Rectangular Channel of a PEM Fuel Cell

A. L. R. Paulino [1], E. Robalinho [2], E. F. Cunha [1], M. Linardi [1], R. R. Passos [3], E. I. Santiago [1]
[1] Instituto de Pesquisas Energéticas e Nucleares – IPEN/CNEN, São Paulo, SP, Brazil
[2] Instituto de Pesquisas Energéticas e Nucleares – IPEN/CNEN, São Paulo, SP, Brazil; and Instituto Federal do Rio Grande do Sul – IFRS, Porto Alegre, RS, Brazil
[3] Universidade Federal do Amazonas – UFAM, Manaus, AM, Brazil

The performance of a PEMFC depends on several factors, including the flow inside gas channels. Low gas velocity inside the channel can make water ...

Transient CFD Investigation of a Photocatalytic Multi-tube Reactor

S. Denys [1], J. van Walsem [1], J. Roegiers [1], S. Lenaerts [1],
[1] University of Antwerp, Antwerp, Belgium

As in industrial countries, people spend most of their time indoors and the stringent heat-insulation measures in combination with deficient ...

3D Model of Flow Behavior near Dermal Denticles from Shark Skin

A. N. Kolborg [1],
[1] Technical University of Denmark, Lyngby, Denmark

This project makes a first attempt at modelling fluid flow over shark skin on a microscopic level. The modeled fluid flow shows good agreement with ...

Influence of Non-Newtonian Blood Viscosity on Wall Pressure in Right Coronary Arteries with Serial Stenoses

B. Liu [1]
[1] Monmouth University, West Long Branch, NJ, USA

Three dimensional mathematical models are developed to simulate the blood flows in patient specific right coronary arteries with two stenoses. ...

Numerical Study of the Self-ignition of Tetrafluoroethylene in a 100-dm3-reactor

F. Ferrero[1], M. Kluge[1], R. Zeps[1], T. Spoormaker[2]
[1]BAM Federal Institute for Materials Research and Testing, Berlin, Germany
[2]Chairman PlasticsEurope Fluoropolymers TFE Safety Task Force, Du Pont De Nemours, Dordrecht, The Netherlands

The self-ignition of tetrafluoroethylene (TFE) caused by contact with hot surfaces has been analyzed with the help of simulations performed with COMSOL ...

3D Modelling of Flow Dynamics in Packed Beds of Low Aspect Ratio - new

F. Alzahrani[1], F. Aiouache[1]
[1]Engineering Department, Lancaster University, Lancaster, UK

This work used the 3D CFD modeling to investigate non-uniform deactivation in packed bed reactors of low aspect ratios under steady state and dynamic ...

Improvements on Cyclotron Gas Target Cooling System Using COMSOL Multiphysics® Software

F. M. Alrumayan [1], Q. Akkam [1], S. Alqaryan [1],
[1] King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia

Medical Cyclotrons are used in hospitals to manufacture radiopharmaceuticals. The nuclear reaction between the Cyclotron charged particles and a ...

Numerical Design of a Test Plant for Dynamic Analysis of High Temperature Thermoelectric Generators

M. Rohne [1], A. Schlott [1], V. Pacheco [1], J. Meinert [1],
[1] Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Branch Lab Dresden, Dresden, Germany

Thermoelectric generators (TEG) use Seebeck’s effect to directly convert heat into electricity. TEG represent, therefore, a promising option for energy ...

Optimal Thermal Design of Converged-Diverged Microchannel Heat Sinks for High Heat Flux Applications

D. Chakravarthii [1], S. Subramani [1], M. Devarajan [1],
[1] Univeristy of Science Malaysia (USM), Georgetown, Penang, Malaysia

With the advancements in aerospace technology, micro-electromechanical systems, hybrid data centres and microfluidics, the miniature size electronic ...