Consultez les proceedings de la Conference COMSOL 2024
The well known Pierce design of electron and ion diodes is the base of particle source extraction systems [1,2]. It was heavily studied up to 1960 with analog computing and it now offers us a known case against which to compare the precision of fluid and particle tracing codes. The ideal ... En savoir plus
Divertor is act as an exhaust for the nuclear fusion reactor. Main function of a divertor is to remove the heat flux from the plasma. Plasma facing components of the divertor are made up of Carbon (Graphite/CFC) and tungsten like materials[1]. Hence these materials are exposed to the ... En savoir plus
Recent developments (1) in thermal metamaterials that enhance the response of thermoelectric generators (TEG) have revived the interest in TEG research. The COMSOL Multiphysics® software offers the unique opportunity to model TEGs with various cooling systems (air, water, etc) and ... En savoir plus
In this presentation we are dealing with the computational fluid model of a Filament Assisted Chemical Vapor Deposition (FACVD) reactor. Proposed strategy in this study involved several steps: (a) development a computational model for FACVD process capable to describe and obtain with ... En savoir plus
2D self-consistent nonequilibrium model of a free-burning arc in argon has been developed. The model is based on the COMSOL Multiphysics® platform and describes in a self-consistent manner the fluid dynamics, the heat transfer, the magneto-electrodynamics, and species conservation. The ... En savoir plus
Damages caused by lightning overvoltages remains to be an important issue for electrical industry, putting limitations for efficiency of transmission and distribution of electrical energy. Modern solutions for lightning protection such as multichamber arresters (MCA) for overhead ... En savoir plus
基于磁流体动力学与Maxwell方程组，建立微束等离子弧焊电弧的二维轴对称模型，应用COMSOL软件进行求解计算，得到了微束等离子弧焊的电弧温度场、流场、电流密度、电弧所受洛伦兹力以及工件表面电弧压力分布情况，并通过实验所拍摄的电弧形态对模拟的温度场加以验证。结果表明微束等离子弧焊电弧温度、等离子体速度与电弧所受洛伦兹力具有相同的变化趋势，均从阴极到阳极先增大后减小，从电弧中心逐渐向四周降低，最大值出现在喷嘴内部中心区域；电弧电流密度在阴极下端面取得最大值，在工件上表面取得最小值，且从阴极到阳极减小速度呈一个先减小后增大再减小的趋势；电弧压力与等离子体流速径向变化相同 ... En savoir plus
The present research work aims to present thermal analysis of Electrical Discharge machining. During its machining process a large amount of heat is generated due to sparking phenomena, It has been assumed that heat distribution follows the Gaussian Distribution function. As such a ... En savoir plus
Cerebral vasospasm is a complication of subarachnoid hemorrhage and other neurosurgical emergencies that reduce blood flow to the brain. Part of the approach to management of vasospasm is to improve flow through the stenotic areas by reducing by decreasing blood viscosity and enhancing ... En savoir plus
High power Terahertz (THz) sources have become a topic of great interest for a wide variety of applications from medical science to security systems and from material science to telecommunication. The high output power of these THz sources mainly depends upon high current density and ... En savoir plus