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Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird

Ingenieure, Forscher und Wissenschaftler aus allen Branchen nutzen die Multiphysik-Simulation, um innovative Produktdesigns und -prozesse zu erforschen und zu entwickeln. Lassen Sie sich von Fachbeiträgen und Vorträgen inspirieren, die sie auf der COMSOL Conference präsentiert haben. Durchsuchen Sie die untenstehende Auswahl, verwenden Sie die Schnellsuche, um eine bestimmte Präsentation zu finden, oder filtern Sie nach einem bestimmten Anwendungsbereich.

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Multiphysicsx

Modeling of Coupled Mass and Heat Transfer and Expansion During Baking of Bread in a Mould

V. Nicolas[1], C. Doursat[2], D. Grenier[1], T. Lucas[1], D. Flick[2]
[1]Institut de recherche en sciences et technologies pour l'environnement et l'agriculture, Rennes, France
[2]AgroParisTech, UMR1145 Ingénierie Procédés Aliments, Massy, France

Bread is a food product which various complex physico-chemical phenomena occur during the cooking process. Thus, phenomena of heat and mass transfer are coupled to the deformation. In addition, bread is a multiphase product (solid, liquid and vapor) and composed of various components ... Mehr lesen

3D-Model of Asymmetric Thermo-Electric Generator Modules for High Temperature Applications

M. Dannowski[1], W. Beckert[1], L. Wagner[1], H.P. Martin[1]
[1]Fraunhofer IKTS, Dresden, Germany

This paper presents the modeling and simulation of an asymmetric thermoelectric module. The thermoelectric module is characterized by a novel module design and a lager temperature range than conventional high-temperature modules. The materials are boron carbide and titanium diboride ... Mehr lesen

Thermo-Fluid Dynamic Modeling of Cu Based Metallic Foams for Heat Exchanger Applications

C.A. Biffi[1], A. Tuissi[1]
[1]National Research Council of Italy, Lecco, Italy

In this work the innovative concept is the use of a Cu based metallic foam, characterized by open cell structure, as active element for heat exchangers. The metallic foam, produced by liquid infiltration method, was introduced inside a Cu tube, as base element for the exchanger. In the ... Mehr lesen

Modeling Ferrofluid Flow in an Annular Gap Moving with Reciprocating Shaft

Y. He[1], R. Nilssen[1]
[1]Department of Electric Power Engineering, Norwegian University of Science and Technology, Trondheim, Norway

Ferrofluids have been successfully used in the seals for rotary shafts, but few studies focus on the reciprocating motion seals. Since the completely different operational regimes, previous experiences on the rotary motions could not be directly applied on the cases for reciprocating ... Mehr lesen

Modeling Partially Absorbing Biosensors

D. Kappe[1], A. Hütten[1]
[1]Bielefeld University, Bielefeld, Germany

Designing and constructing a lab-on-a-chip device poses a variety of questions. Transport of all required substances, detection of the analyte and its deposition on a sensor have to be incorporated. Different strategies have been developed to achieve good coverages of the sensor, like ... Mehr lesen

Modeling and Simulation of Dielectric Barrier Discharge Plasma Reactor for Nitrogen Fixation Reaction

B.S. Patil[1], Q. Wang[2], V. Hessel[2], J. Lang[3]
[1]Eindhoven University of Technology, Eindhoven, The Netherlands
[2]Micro Flow Chemistry and Process Technology, Eindhoven University of Technology, Eindhoven, The Netherlands
[3]Innovation Management, Verfahrenstechnik & Engineering, Evonik Industries AG, Hanau-Wolfgang, Germany

Fixed nitrogen is used in many forms ranging from nitric acid to hydrogen cyanide and is used as such for industrial applications. The reactions to produce these products are highly endothermic and favored by high-temperature processing. The most basic route of chemically fixing nitrogen ... Mehr lesen

Evaporation Induced Convection Under a Gas Channel

H. Machrafi[1], A. Rednikov[2], P. Colinet[2], P.C. Dauby[1]
[1]University of Liège, Thermodynamics of Irreversible Phenomena, Institut de Physique, Liège, Belgium
[2]Universite Libre de Bruxelles, TIPs - Fluid Physics, Bruxelles, Belgium

This work falls into the framework of an ESA experiment, which consists of observing the behavior of patterns and structures that can be formed after instability onset in a HFE7100 liquid layer, evaporating into a nitrogen gas flow. This study is performed by a three-dimensional ... Mehr lesen

Residual Stresses and Failure Probability of Solid Oxide Fuel Cells Due to the Sintering Process

F. Greco[1], J. van Herle[1], A. Nakajo[1]
[1]FUELMAT Group, Institute of Mechanical Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

A solid oxide fuel cell (SOFC) is composed of four layers (anode, electrolyte compatibility layer and cathode) of different ceramic materials. The anode layer is produced by tape casting, the remaining layers are deposited by screen-printing. The layers are sintered together at high ... Mehr lesen

Simulation of Wear using LiveLink™ for MATLAB®

D. Sutton[1]
[1]National Centre for Advanced Tribology at Southampton, University of Southampton, Southampton, United Kingdom

An incremental wear model has been developed using COMSOL Multiphysics® with MATLAB® to predict the evolution of component geometry as a result of wear. Whilst Archard’s wear law is a well-known empirical model for the prediction of wear volume, the design engineer is interested in ... Mehr lesen

Structural Mechanics for Real Geometry of Basalt Woven Composites

J. Salacova[1]
[1]Technical university of Liberec, Department of Material Engineering, Liberec, Czech Republic

Woven composites with basalt reinforcement plain 1x1 are examined to define structural mechanics. Woven composites were created by the prepreg technology, 8 layers of plain-weave basalt fabrics were saturated by the precursor, polysiloxane matrix Lukosil®, and joint pressed during ... Mehr lesen

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