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Sehen Sie, wie die Multiphysik-Simulation in verschiedenen Branchen eingesetzt wird

Multiphysik-Modellierung und -Simulation treiben Innovationen in Industrie und Wissenschaft voran – wie die zahlreichen Anwendungsbeispiele zeigen, die jedes Jahr in den Fachbeiträgen und Postern von Ingenieuren, Forschern und Wissenschaftlern auf der COMSOL Conference vorgestellt werden. Lassen Sie sich von den unten aufgeführten aktuellen Beiträgen inspirieren oder nutzen Sie die Schnellsuche, um eine bestimmte Präsentation zu finden oder nach Anwendungsbereich oder Konferenzjahr/-ort zu filtern.

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COMSOL Simulations for Steady State Thermal Hydraulics Analyses of ORNL’s High Flux Isotope Reactor

P.K. Jain[1], V.B. Khane[2], J.D. Freels[1]
[1]Oak Ridge National Laboratory, Oak Ridge, TN, USA
[2]Missouri University of Science and Technology, Rolla, MO, USA

Simulation models for steady state thermal hydraulics analyses of ORNL’s HFIR have been developed using COMSOL. A single fuel plate and coolant channel of each type of HFIR fuel element was modeled in three dimensions. The standard k-? turbulence model was used in simulating turbulent ... Mehr lesen

Modeling the Effect of Discrete Distributions of Platinum Particles in the PEM Fuel Cell Catalyst Layer

C.F. Cetinbas[1], A.K. Prasad[2], S.G. Advani[1]
[1]Center for Fuel Cell Research, Department of Mechanical Engineering, University of Delaware, Newark, DE, USA
[2]University of Delaware, Newark, DE, USA

In this study, the basic catalyst layer (CL) structure, consisting of carbon-supported Pt particles (C|Pt) and an ionomer binder, is investigated numerically by using COMSOL. The significance of modeling discrete Pt particles on the carbon support is highlighted by comparing the cell ... Mehr lesen

Irrotational Motion of an Incompressible Fluid Past a Wing Section in an Unbounded Region

J. Russell[1]
[1]Florida Institute of Technology, Melbourne, FL, USA

Developers of numerical models who address the title problem face several hurdles, such as: (1), the need to formulate boundary conditions applicable in an unbounded region; (2), The need to specify conditions suitable to ensure a unique solution in a doubly connected region; and (3), ... Mehr lesen

Modeling the Behavior of a Polymer Electrolyte Membrane within a Fuel Cell Using COMSOL

S. Beharry[1]
[1]University of the West Indies, St. Augustine, Trinidad and Tobago

One viable alternative to non-renewable fossil fuels is the fuel cell. A special class of FC i.e. Proton Exchange Membrane Fuel Cell (PEMFC) has been investigated during the present study. Membrane is a very important part of a PEMFC as most ohmic losses occurs here and limits the ... Mehr lesen

Multiphysics Modeling of Warm-Air Drying of Potatoes Slices

S. Sandoval Torres[1], A. de Lourdes Allier González[1], L.L. Méndez Lagunas[1]
[1]Instituto Politécnico Nacional, CIIDIR, Oaxaca, Mexico

In this work we solve a model to simulate the drying of potatoes slices. The model considers both the transport of free and vapor water by applying a mechanistic approach. The critical moisture point (CMP) was considered, since it is a transition zone and it represents the point where ... Mehr lesen

Multiphysics FEM Simulations Approach for Development of a MEMS Heat Generator

G. S. Masi[1], S. V. De Guido[1], G. Montagna[2], C. Martucci[2], P. M. Congedo[1], L. Vasanelli [1], M. G. Manera[2], R. Rella[2]
[1]Department of Innovation Engineering, University of Salento, Lecce, Italy
[2]CNR-IMM, Lecce, Italy

Introduction: Accurate fluid temperature control in microfluidic channels is a requirement for many lab-on-chip and micro-reactors.Thin films resistive metal heaters have proven to be the best choice for localizing heating applications with integrated microfluidic systems. A thin ... Mehr lesen

Calibration of Ultrasonic Testing for Faults Detection in Stone Masonry

M. Usai[1], S. Carcangiu[1], G. Concu[2]
[1]Department of Electrical and Electronic Engineering, University of Cagliari, Cagliari, Italy
[2]Department of Civil Engineering, Environmental and Architecture, University of Cagliari, Cagliari, Italy

In the field of assessment methodologies, particular importance is given to Non-Destructive Testing Techniques, which aspire to achieve the highest number of information about materials and structures without altering their condition. Ultrasonic Testing exploits the transmission and ... Mehr lesen

Simulation of Piezoelectric Transformers with COMSOL

T. Andersen[1], M. A. E. Andersen[1], O. C. Thomsen[1]
[1]DTU Elektro, Technical University of Denmark, Kgs. Lyngby, Denmark

In this work COMSOL is utilized to obtain the Mason lumped parameter model for a piezoelectric transformer (PT) design. The Mason lumped parameters are relevant in the design process of power converters. The magnitude of the impedance is simulated for a specific interleaved multilayer ... Mehr lesen

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