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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Simulation of the Plasma Generated in a Gas Bubble

L. Z. Tong[1]
[1]Keisoku Engineering System Co., Ltd., Tokyo, Japan

The plasmas generated in water involve various physical phenomena such as flows agitated by bubbles, high electric fields for breakdown, discharges in bubbles with size variation, and so on. In this paper, studies have been made on the simulation of plasmas generated in bubbles with size ... En savoir plus

Prediction of Temperature and Thermal Stress in Plasma Sprayed Coatings

M. Raja[1] , G. Hiremath[1], K. Ramachandran[1], P.V.A. Padmanabhan[2], T.K. Thiyagarajan[2]
[1]Karunya University, Coimbatore, Tamil Nadu, India
[2]Bhabha Atomic Research Centre, Mumbai, Maharashtra, India

Plasma spraying is one of the prominent technologies for wear, corrosion and high temperature resistant coatings. The coating quality is very important to increase the performance of the components as well as to protect the outer surface of the component from external environment. The ... En savoir plus

辅助脉冲电势调控大气压等离子体射流参数的放电动力学

卢陈梓¹, 方骏林², 徐少锋², 徐金洲², 刘芷端², 黄高山¹, 梅永丰¹, 郭颖², 石建军³
¹复旦大学智能机器人与先进制造创新学院，智慧纳米机器人与纳米系统国际研究院，上海 200438
²东华大学物理学院，上海 201620
³全省极端环境功能材料重点实验室，复旦大学义乌研究院，浙江义乌 322000

本研究基于COMSOL Multiphysics多物理场仿真平台，利用等离子体模块构建了等尺寸二维自洽流体模型，结合实验深入探究了辅助脉冲电压（APV）对大气压等离子体射流（APPJ）中电离波传播动力学特性的调控机理。仿真工作复现并深入了先前实验研究的关键发现，模型模拟了在辅助电极（AE）上施加不同幅值的APV时，电离波传播路径上的电势分布、电子/离子密度、电场强度及电子温度的时空演化过程。计算结果表明，电离波的产生影响了管外电势的产生与再分布，同时外加APV通过显著改变电离波前端的电势分布，从而有效调控其传播行为。模型与实验证明 ... En savoir plus

Electromagnetic Analyses for Indian Tokamaks SST-1 and ADITYA

AMARDAS ALLI¹
¹Institute for Plasma Research, Bhat, Gandhinagar, INDIA

In this poster, finite element based electromagnetic analysis work carried out for the two Indian tokamaks SST-1 and ADITYA is summarised. As a part of Indian Fusion Pogramme, first Indian tokamak Aditya and first Indian steady superconducting tokamak SST-1 are constructed & being ... En savoir plus

Design of Microwave Cavity for Non-Thermal Plasma Generation

N. Manivannan[1], W. Balachandran[1]
[1]Brunel University, Uxbridge, UK

Design of Microwave Resonance Cavity (MRC) to generate non-thermal plasma to treat NOx and SOx from marine diesel engine is presented in this paper. Microwave frequency of 2.45GHz is used generate the required plasma. A number of wave guides are used to transfer the microwave energy ... En savoir plus

Argon Plasma Simulations for Educational Purposes at Fontys University of Applied Physics

H. van Halewijn [1],
[1] Fontys University of Applied Physics, The Netherlands

At the Fontys University of Applied Physics (The Netherlands) a plasma etcher has been acquired for educational purposes. The machine operates at low power up to 30 Watt and is driven with a magnetic coil at 13.56 MHz. The use of COMSOL Multiphysics software will be discussed to simulate ... En savoir plus

Plasma Scaling Leads the Transition from 2D to True 3D Models

J. Brcka [1],
[1] Tokyo Electron U.S. Holdings, Inc., Austin, TX, USA

Introduction: In inductively coupled plasma (ICP) systems the inductive antenna is coupled to the excited plasma inside the low pressure gas reactor. A multi-ICP system can be used for increased area processing and provide additional variables for controlling the plasma. However, ... En savoir plus

Simulations of Hydrogen Cross Field Plasma Switch

M. Zhang
China Electronics Technology Group Corporation, China

With this presentation, some content has been discussed from several parts as follows: 1. Plasma switches are introduced by their derivation and types, and the operating mechanism of Hydrogen cross field plasma switch is indicated then. 2. The related theories of Hydrogen plasma to ... En savoir plus

The Application of Low Temperature Plasma in COMSOL Multiphysics

Cheng-Che (Jerry) Hsu[1]
[1]Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan

Multiphysics simulation was used in this work to model inductively coupled plasmas (ICPs). Developing a model of an ICP is challenging due to the complex relationship between the applied electric field and mixture of chemical species that develops. A preliminary model was developed and ... En savoir plus

Numerical Simulations of Ion Cyclotron Range of Frequency (ICRF) Wave Fields in a Linear Plasma Device

M. Usoltceva [1], K. Crombé [4], E. Faudot [3], S. Heuraux [3], R. D’Inca [2], J. Jacquot [2], J-M. Noterdaeme [5], R. Ochoukov [2]
[1] Department of Applied Physics, Ghent University, Belgium; Max-Planck-Institut für Plasmaphysik, Garching, Germany; Université de Lorraine, Nancy, France
[2] Max-Planck-Institut für Plasmaphysik, Garching, Germany
[3] Université de Lorraine, Nancy, France
[4] Department of Applied Physics, Ghent University, Ghent, Belgium; LPP-ERM-KMS, TEC partner, Brussels, Belgium
[5] Department of Applied Physics, Ghent University, Belgium; Max-Planck-Institut für Plasmaphysik, Garching, Germany

Fusion devices (tokamaks, stellarators) require hundreds of millions degree Celsius temperature to reach the plasma state when the fusion reactions start to occur. Ion cyclotron resonance heating (ICRH) is a method of energy transfer to the ions in the plasma from electromagnetic ... En savoir plus

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