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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 2020

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$Numerical Analysis of Perforated Microring Resonator Based Refractive Index ...$

Numerical Analysis of Perforated Microring Resonator Based Refractive Index Sensor

M. Gabalis[1], D. Urbonas[1], R. Petruskevicius[1]
[1]Institute of Physics of Center for Physical Sciences and Technology, Vilnius, Lithuania

In this work perforated microring resonator based refractive index sensor is presented. Numerical analysis of the microring using COMSOL Multiphysics® was performed. From transmission spectra sensitivity and quality factor of our proposed structure were evaluated. It was shown that ... En savoir plus

Modeling of Charge Transport in Ion Bipolar Junction Transistors

A.V. Volkov[1], K. Tybrandt[1], I.V. Zozoulenko[1], M. Berggren[1]
[1]Organic Electronics, ITN, Linköping University, Norrköping, Sweden

Modeling of an ion bipolar junction transistor (IBJT) is performed using the COMSOL Multiphysics® software. Our model describes the IBJT which was developed and characterized [1]. The IBJT under consideration consists of an anion-selective collector and emitter, a cation-selective base ... En savoir plus

Modeling of the Material/Electrolyte Interface and the Electrical Current Generated During the Pulse Electrochemical Machining of Grey Cast Iron

O. Weber[1], A. Rebschläger[1], P. Steuer[1], D. Bähre[2]
[1]Center for Mechatronics and Automatization, Saarbrücken, Germany
[2]Institute of Production Engineering, Saarland University, Saarbrücken, Germany

The Pulse Electrochemical Machining is especially suitable for the precise production of complex geometric contours with high precision and high surface quality demands in series manufacturing. During this process, the negative structure of an electrode is copied to the workpiece without ... En savoir plus

Optical Forces and Torques Acting on Non-spherical Metallic Nanoparticles

M. Siler[1], O. Brzobohaty[1], V. Karasek[1], P. Zemanek[1]
[1]Inst. Scientific Instruments of the ASCR, Brno, Czech Republic

Metallic nanoparticles (NPs) are nowadays used in various areas of biology, chemistry or physics. Focused laser beams, optical tweezers, may be used to manipulate such NPs. However, experimental studies showed that there is a discrepancy between their predicted and observed behavior. ... En savoir plus

Modeling Maillard Reaction and Thermal Transformations During Bread Baking

D. Papasidero[1], F. Manenti[1]
[1]Politecnico di Milano, Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Milano, Italy

One big challenge for the food industry is to predict and optimize flavors. The Maillard reaction occurs in food matrices containing carbohydrates and proteins under specific operating conditions. The presented research couples thermal and kinetic modeling to the bread baking process, ... En savoir plus

Optimized Channel Geometry of a Flow-Focusing Droplet Generator for Parallelization

D. Conchouso[1], E. Al Rawashdeh[1], D. Castro[1], A. Arevalo[1], I.G. Foulds[1]
[1]King Abdullah University of Science and Technology, Thuwal, Saudi Arabia

This document presents the Computational Fluid Dynamics (CFD) simulation of a commonly used Microfluidic Droplet Generator (MFDG) using the Laminar Two-Phase Flow, Phase Field method in COMSOL Multiphysics®. The paper discusses the effect of the channel’s geometry in droplet size at ... En savoir plus

Modeling Plant Morphodynamics in Predefined COMSOL Multiphysics® Interface

S. Nikolaev[1], A. Trubuil[2]
[1]Institute of cytology and genetics SB RAS, Novosibirsk, Russia
[2]Institut National de la Recherche Agronomique, Jouy-en-Josas, France

We used a predefined COMSOL Multiphysics® interface to imitate biological growth and shape change (morphodynamics). We found a set of parameters that supply observed morphodynamics for an Arabidopsis embryo during its transition from globular to heart stage. En savoir plus

Particle Focusing Optimization and Stress Analysis of a Magnetic Horn

S. di Luise[1], A. Rubbia[2]
[1]Swiss Federal Institute of Technology, ETH, Zurich, Switzerland and CERN European Organization for Nuclear Research, Geneva, Switzerland
[2]Swiss Federal Institute of Technology, ETH, Zurich, Switzerland

A neutrino oscillation experiment aims to the observation of the transformation of a neutrino of a given flavour into a neutrino of a different flavour. A beam of neutrinos is produced through the decay of charged pions which in turn are produced in the collision of high energy ... En savoir plus

Modeling of Fluid Flow and Heat Transfer During a Steam-Thermolysis Process for Recycling Carbon Fiber Reinforced Polymer

A. Oliveira Nunes[1], Y. Soudais[1], R. Barna[1], A. Bounacer[1], Y. Yang[1]
[1]Centre RAPSODEE - Ecole des Mines d'Albi, Albi, France

Different types of technologies to recycle carbon fiber reinforced polymer (CFRP) waste have been studied, for example: pyrolysis, solvolysis and steam-thermolysis. The steam-thermolysis is a process that combines pyrolysis and superheated steam at atmospheric pressure to decompose the ... En savoir plus

Modeling of Liquid Water Distribution at Cathode Gas Flow Channels in Proton Exchange Membrane Fuel Cell – PEMFC

S. Skoda[1], E. Robalinho[2], A. Paulino[1], E.F. Cunha[1], M. Linardi[1]
[1]Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
[2]Universidade Nove de Julho, São Paulo, Brazil

The objective of this study is to determine the locations where liquid water accumulates at cathode gas flow channels, and the corresponding operating conditions. In such way it is possible to mitigate slug flow, responsible for channel blockage and hindering the diffusion of reactants ... En savoir plus

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