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Ici vous trouverez les présentations issues des Conférences COMSOL à travers le monde. Réalisées par des utilisateurs de COMSOL Multiphysics, ces présentations explorent tous les domaines actuels d'innovation. Les applications couvrent pratiquement tous les secteurs industriels et impliquent des phénomènes électriques, mécaniques, fluidiques et chimiques. Utilisez la recherche rapide pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt.

Consultez les proceedings de la Conference COMSOL 2024

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Coupled Heat, Moisture and CFD Modeling in the Built Environment

K. Kompatscher [1], S. Kochen [1], A. M. W. van Schijndel [1], H. L. Schellen [1]
[1] Department of the Built Environment, Eindhoven University of Technology, Eindhoven, The Netherlands

Museum buildings strive for a stable indoor climate to reduce the risk of cultural object degradation. An incorrect temperature or relative humidity can induce or accelerate deterioration processes such as biological, chemical or mechanical degradation. In order to reduce these risks, ... En savoir plus

Multiphysics Modeling of Spring-Supported Thrust Bearings for Hydropower Applications

F.X. Borràs[1], J. Ukonsaari[2], A. Almqvist[1]
[1]Luleå University of Technology, Luleå, Sweden
[2]Vattenfall Research and Development, Luleå, Sweden

Spring-supported thrust bearings are used in huge rotor dynamic machines, generally to support the shafts from the biggest hydropower generators. Any attempt of modifying yhis type of thrust bearing implies huge investment and is associated with some risks. The goal of the present work ... En savoir plus

Numerical Simulations of a Subsonic/Supersonic Coaxial Jet for an Efficient Design of Experimental Setup

D. Guariglia[1], C. Schram[1]
[1]von Karman Institute for Fluid Dynamics, Sint-Genesius-Rode, Belgium

The flow field of a coaxial jet with the internal (primary) flow being subsonic and the external (secondary) flow being supersonic has been investigated with COMSOL Multiphysics® software. We used the results to correct defects in the nozzle geometry and we evaluated the effect of heat ... En savoir plus

The Transient Modeling of Bubble Pinch-Off Using an ALE Moving Mesh

C.J. Forster, and M.K. Smith
Georgia Institute of Technology, Atlanta, GA, USA

The use of an acoustic field to control the boiling process has the potential to increase the overall rate of heat transfer and delay the critical transition to film boiling. This system is being investigated through the development of a model of a single boiling bubble near a flat, ... En savoir plus

Material Flow around a Bobbin Tool for Friction Stir Welding

J. Hilgert, L. Hütsch, J. Dos Santos, and N. Huber
GKSS Forschungszentrum GmbH, Geesthacht, Schleswig-Holstein, Germany

This study presents an approach to model the material flow around a bobbin tool for Friction Stir Welding (FSW). In this CFD model the aluminum is treated as a highly viscous non Newtonian shear thinning liquid. The model is formulated in a 3D Eulerian frame. The temperature field and ... En savoir plus

Thermo-Fluid Dynamics of Flue Gas in Heat Accumulation Stoves: Study Cases

D. Rossi[1], P. Scotton[1]
[1]University of Padova, Department of Geosciences, Padova, Italy

The research aims to clarify some aspects of the thermo-fluid dynamics of woody biomass flue gas, within the twisted conduit inside the heat accumulation stoves, and exposes also some analysis about the heat transport and heat exchange processes. The high temperature flue gas flows in ... En savoir plus

Modeling of Pound Cake Baking Behavior in Continuous Flow

M. Khodeir [1], O. Rouaud [2], V. Jury [2], P. Le-Bail [3],
[1] ONIRIS, GEPEA, France
[2] GEPEA - UMR 6144 CNRS - ONIRIS, Nantes, France
[3] INRA, UR 1268, Biopolymères Interactions Assemblages, Nantes, France.

Cake batters are complex fat-in-water emulsions with four bulk phases (aqueous, fat, gas, and solid starch granules). The process of cake baking is very complex since a change in thermo-physical properties of batter take place during this process. The aim of this project is to develop an ... En savoir plus

Hydrophone Acoustic Receiver Modeling: Turbulent Flow Modeling and Acoustic Analysis

D. Groulx[1], A. Bharath[1], S. Campbell[1]
[1]Department of Mechanical Engineering, Dalhousie University, Halifax, NS, Canada

The field of underwater acoustics research is constantly growing with the ongoing improvement of acoustic measuring techniques. An acoustic hydrophone receiver is a passive listening device which is widely used in biological research and sonar technology. The hydrophone however suffers ... En savoir plus

Modeling of a DBD Reactor for the Treatment of VOC

L. Braci[1], S. Ognier[1], and S. Cavadias[1]
[1]Laboratoire de Génie des Procédés Plasmas et Traitements de Surfaces, Ecole Nationale Supérieure de Chimie de Paris, University Pierre et Marie Curie, Paris, France

Non-thermal plasma, generated in atmospheric pressure discharges, has been investigated in our laboratory in order to treat highly diluted (300 ppm to 1000 ppm) volatile pollutant. The collision of electrons created in the discharge with atmospheric air, leads to the formation of ... En savoir plus

Probe Type Permanent Magnet Flowmeter

V. Sharma, S. Narmadha, S.K. Dash, R. Veerasamy, B.K. Nashine, K.K. Rajan, and P. Kalyanasundaram
IGCAR, Kalpakkam, Tamil Nadu, India

Prototype Fast Breeder Reactor (PFBR) is a 500MWe, sodium cooled, pool type, mixed oxide (MOX) fuelled reactor. Sodium flow measurement in various loops of the reactor is of prime importance from the operational and safety aspects. To measure the flow of electrically conducting sodium in ... En savoir plus

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