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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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Modification of the Ion Angular Distribution in Plasma Sheath: Modeling Approach under COMSOL Multiphysic

J. Brcka
TEL US Holdings, Albany, NY, USA

System for in-situ control of the ion angular distribution function (IADF) in plasma reactor is modeled. Typical IADF depends on the pressure, bias and excitation frequency. It is formed due to a difference in the physical properties of the plasma and sheath domains. The IADF is modified ... En savoir plus

A MEMS Condenser Microphone for Consumer Applications

S. L. Pinjare, V. S. Nagaraj, S. N. Savitha, S. Kesari, M. S. Sagar, and K. R. Roshan
Nitte Meenakshi Institute of Technology

The MEMS microphone is also called microphone chip or silicon microphone. The pressure sensitive diaphragm is etched directly into a silicon chip by MEMS techniques and is usually accompanied with integrated preamplifier. Most MEMS microphones are variants of the condenser microphone ... En savoir plus

Modeling Void Drainage with Thin Film Dynamics

J.J. Gangloff Jr.[1], W.R. Hwang[2], S.G. Advani[1]
[1]Center for Composite Materials, Department of Mechanical Engineering, University of Delaware, Newark, DE, USA
[2]School of Mechanical Engineering, Gyeongsang National University, Jinju, Gyeongsangnam-do, Korea

Voids in composite materials can lead to degraded structural performance. The following is a study of voids or bubbles in uncured viscous polymer resin during composites processing. The goal is to determine if voids can successfully migrate towards vacuum pathways, coalesce with the ... En savoir plus

Numerical Study of a DC Electromagnetic Liquid Metal Pump: Limits of the Model

N. Kandev[1]
[1]Institut de recherche d'Hydro-Québec, Shawinigan, QC, Canada

This work presents the results of a 3D numerical magneto-hydrodynamic (MHD) simulation of an electromagnetic DC pump for liquid metal using a rectangular metal flow channel subjected to an externally imposed transversal inhomogeneous magnetic field. In this study. 3D numerical simulation ... En savoir plus

Design and Optimization of Gas Sensor Testing Chamber using COMSOL Multiphysics®

K.Govardhan[1], K.Narmada[2], Nirmala Grace[3]
[1]VIT University, MEMS & Sensors Division, School of Electronics Engineering, Vellore, Tamil Nadu, India
[2]VIT University, Sensor System Technology, School of Electronics Engineering, Vellore, Tamil Nadu, India
[3]VIT University, Center for Nanotechnology Research, Vellore, Tamil Nadu, India

This study aims at the design and optimization of a Gas Sensing Chamber. The design takes advantage of the multiphysics simulation capabilities of COMSOL Multiphysics® to incorporate various physics such as CFD, Micro fluidics, Solid Mechanics, Electro thermal effects etc. The ... En savoir plus

Flow Analysis and Optimization of a Hierarchical Plate Heat Exchanger for an Adsorption Heat Pump

E. Tempfli[1], F.P. Schmidt[1]
[1]Karlsruhe Institute of Technology (KIT), Fluid Machinery (FSM), Karlsruhe, Germany

The paper investigates the hydrodynamic performance of a hierarchical parallel channel network for the objective of optimal thermal coupling to heat released in the adsorption processes, as in adsorption heat pumps. More specifically, the uniformity of the fluid flow over the network is ... En savoir plus

Cluster Diameter Determination of Gas-solid Dispersed Particles in a Fluidized Bed Reactor

M. Das
Department of Biotechnology, PESIT, Bangalore, Karnataka, India

Clustering is a common hydrodynamic characteristic observed among suspended gas-solid particles in a fast fluidized bed (FFB) regime of a circulating fluidized bed (CFB) system. In this paper clustering behavior has been studied with Geldart group B particles like coal and iron ore in a ... En savoir plus

Passive Indirect Evaporative Cooler

F. F. Dall'Agnol[1], A. Pavani[1]
[1]Center for Information Technology Renato Archer, Campinas, SP, Brazil

Evaporative coolers are viable alternative to air conditioners because of their low power consumption. However, in tropical humid environments the increased humidity that accompanies the cool air in the evaporative coolers causes an uncomfortable wet feeling, since it hinders the ... En savoir plus

Early Breast Cancer Detection using Patient Symptomatic Breast Images by Finite Element Analysis Aided by COMSOL

Tan Ming Sien[1]
Devendran Perumal[1]
Sri Pooveyninthran[1]
Samavedham Lakshminarayanan[2]
Balu Ranganathan[3]

[1]Department of Chemical and Natural Resources Engineering, University of Malaysia Pahang, Pahang, Malaysia
[2]Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Singapore
[3]Center for Excellence for Fluid Flow Research, University of Malaysia Pahang, Pahang, Malaysia

In this project, we attempted to determine the drug concentration in a breast cancer tumor after a drug has been delivered. We created a COMSOL Multiphysics® finite element model. We investigated the relationship between drug delivery efficiency and parameters such as diffusivity, ... En savoir plus

Modeling of Hydrogel-Based Controlled Drug Delivery System for Breast Cancer Treatment

K. Cluff[1], L. Saeednia[2], H. Mehraein [1], R. Asmatulu[2]
[1]Department of Bioengineering, Wichita State University, Wichita, KS, USA
[2]Department of Mechanical Engineering, Wichita State University, Wichita, KS, USA

Polymeric hydrogel is a promising class of drug delivery systems with the controlled release behavior in the body. In-situ forming hydrogels can be injected into the body as a fluid which forms a gel within the body tissue and improve the efficacy of the drugs. Various polymers have been ... En savoir plus

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