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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Piezoelectric Buzzer Optimization for Micropumps

A. Garcia[1], A. Marcus[1], F. Tejo[1], C. Precker[1], C. Moreira[2]
[1]Universidade Federal de Campina Grande, Campina Grande, PB, Brazil
[2]Instituto Federal de Alagoas, Maceio, AL, Brazil

Piezoelectric buzzers are low cost devices which can be used successfully as actuators in diaphragm-based micro-pumps. The buzzers are piezoelectric wafers (lead-zirconate-titanate-PZT) that are glued on a brass membrane and they are available within different sizes and thicknesses. For ... En savoir plus

Air Flow Characteristics Inside an Industrial Wood Pallet Drying Kiln

A-G. Ghiaus, M-A. Istrate, and A-M. Georgescu
Technical University of Civil Egineering, Bucharest, Romania

Analysis and optimization of air flow distribution inside drying kiln systems contribute to the improvement of the final product quality. The present study reports on the threedimensional numerical solution of air flow within a drying kiln enclosure. The air flow field is examined in ... En savoir plus

Homogeneous Heating of Milk

A. Stahel, and A. Reichmuth
Berner Fachhochschule
Biel, Switzerland

When milk is taken out of a refrigerator it has to be heated up to 37°C. The standard solution is to put the bottle in a bath of warm water and wait. The goal is quickly to achive a uniform temperature of 37°C, without ever exceeding 40°C. Using COMSOL Multiphysics and a measurement ... En savoir plus

Numerical Simulations of Methane Aromatization with and without a Ceramic Hydrogen Separation Membrane

Z. Li[1], C. Kjølseth[2], S. Hernandez Morejudo[3], R. Haugsrud[1]
[1]University of Oslo, Department of Chemistry, FERMiO, Oslo, Norway
[2]Protia, Oslo, Norway
[3]University of Oslo, Department of Chemistry, InGAP, Oslo, Norway

Oxygen-free methane aromatization has been attracting growing attention due to a potential means for producing high valuable products such as aromatics and hydrogen. Many studies have been focused on catalysts screening and characterization, and elementary thermodynamic steps of the ... En savoir plus

Simulation of Dendritic Solidification in Cubic and HCP Crystals by Cellular Automaton and Phase-Field Models

M. A. Zaeem[1], H. Yin[2], and S. D. Felicelli[3]
[1]Center for Advanced Vehicular Systems, Mississippi State University, MS
[2]Oak Ridge National Laboratory, TN
[3]Mechanical Engineering Department, Mississippi State University, MS

A cellular automaton (CA)-finite element (FE) model and a phase field (PF)-FE model were used to simulate equiaxed dendritic growth during solidification of cubic and hexagonal crystals. The governing equations of PF model include three coupled partial differential equations (PDE) for ... En savoir plus

Effect of Channel Width on Fuel Cell Performance Using 3D Modelling

R. Pushpangadan, S. S. Dimble, and S. P. Duttagupta
IIT Bombay
Mumbai
Maharasthra, India

A three Dimensional model of the PEM Fuel cell is implemented using COMSOL Multiphysics and the channel width is varied to study the performance.Effect of channel width on the performance of the cell is studied by varying the width of the channel and keeping channel width to rib ratio ... En savoir plus

Iberian COMSOL Multiphysics Conference

The Organizing Committee of the Iberian COMSOL Multiphysics Conference 2014

In the conference we bring together a community that is scientifically diverse in an event about the use of COMSOL Multiphysics. Oral and poster presentations highlight achievements in multiphysics modeling and simulations using COMSOL. En savoir plus

Solar Cell Cooling and Heat Recovery in a Concentrated Photovoltaic System

M. Cozzini[1]
[1]Fondazione Bruno Kessler (FBK), Renewable Energies and Environmental Technologies (REET) Unit, Trento, Italy

Concentrated photovoltaic systems with high efficiency solar cells are being widely investigated, aiming at improving the cost-efficiency balance in the solar energy field. Different cell types are in use: e.g., high concentration triple junction cells, reaching efficiencies of the order ... En savoir plus

Modeling and Prediction of Line Pattern Collapse

D. Bassett[1], M. Carcasi[1], W. Printz[1]
[1]Tokyo Electron America, Austin, TX, USA

In semiconductor manufacturing, effective cleaning of structures with liquid is one of the most important and potentially difficult process steps. It is important because it remains the cheapest and most cost-effective method to remove particles and residues from the structures in order ... En savoir plus

Modelling Thermal Time-of-Flight Sensor for Flow Velocity Measurement

O. Ecin[1], E. Engelien[2], M. Malek[2], R. Viga[2], B. Hosticka[1], and A. Grabmaier[2]

[1]Institut of Mikroelektronische Systeme, University Duisburg-Essen, Duisburg, Germany
[2]Institut of Elektronische Bauelemente und Schaltungen, University Duisburg-Essen, Duisburg, Germany

This communication reports on a numeric fluid dynamics simulation on a pipe flow model. The basic background is to determine the velocity of a flowing fluid in a pipe by using the Thermal Time-Of-Flight (TTOF) method on water. The visualization of the temperature and velocity ... En savoir plus

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