技術情報とプレゼンテーション

随着电力工业的快速发展，母线板作为汇集、分配和传送电能的装置，广泛应用于各个电工领域。由于流过母线板的电流一般较大，其温升发热问题不容忽视。该问题涉及电磁场、温度场、流场及位移场等多个物理场的综合。为了更好地研究其发热散热问题，本文采用 COMSOL Multiphysics® 多物理场直接耦合分析软件，基于有限元理论，在考虑设备几何形状和材料物理特性影响的基础上，对母线板进行三维建模。分别在瞬态和稳态情况下对母线板进行电—热—力耦合场分析，电—热—流耦合场分析，从而研究母线板的温度、电流密度分布规律和由于热膨胀引起的形变大小。最后加入层流，分析在考虑气流冷却效应时 ... 詳細を見る

3D printing as applied to the area of electronics manufacture covers a broad range of traditional printing technologies [1]. The attraction in 3D printing lies in its potential to disrupt the traditional photolithographic/subtractive manufacturing line with simpler additive processes. ... 詳細を見る

方便餐盒微波加热特性研究 宋春芳※ 王燕 金光远 崔政伟   (江苏省食品先进制造装备技术重点实验室，江南大学机械工程学院，江苏，无锡，214122） 摘要：本文采用 COMSOL Multiphysics® 建立了电磁与传热耦合的仿真模型，研究方便餐盒微波加热传热特性规律，模型包括加热腔、波导以及可旋转的转盘和物料，通过比较不同转速对仿真结果的影响，选用 7.5rpm 作为转盘转速。研究结果表明，微波功率为 700W，90s 的微波加热后，方便餐盒空间温度场分布和瞬态温度曲线与实验结果基本保持一致，微波仿真模型可行 ... 詳細を見る

无线电能传输技术在电力、能源和汽车等领域得到了越来越广泛的关注与应用。目前随着电力和电子产品功能的完善与升级，对电能功率的需求日益增强，无线电能传输技术为匹配这些需求，正朝着大功率和远距离的趋势发展。但是功率的加大，线圈损耗功率往往也随之增大，线圈损耗造成的线圈温升，线圈的温升会带来系统绝缘老化和系统性能降低等一系列问题，因此无线电能传输技术线圈温升的计算与预测对于无线电能传输系统设计有着非常重要的意义。 本文以COMSOL Multiphysics 仿真计算平台为基础，使用AC/DC模块、固体和流体传热和层流模块搭建无线电能传输有限元计算模型，AC ... 詳細を見る

In this work, the production intent design of a motor with controller inside a car seat for head restraint function is analyzed and optimized using the COMSOL Multiphysics® software and the Application Builder. Parameter based multiscale FEA models were developed by using external CAD ... 詳細を見る

A scientific hypothesis states that cryogenic trapped water is just under the surface of lunar soil at the poles in permanently shadowed craters. Microwave energy can be used to efficiently extract this water from permafrost. COMSOL permits calculation of the heating of simulated lunar ... 詳細を見る

Arcam AB has pioneered additive manufacturing using the electron beam melting (EBM) technology which provides a cost efficient and novel way of producing titanium components for the orthopedic and aerospace industries. In the heart of the EBM technology is the electron beam – whose ... 詳細を見る

This paper presents the design and analysis of a high power radial flux Brushless DC motor for electro-mechanical actuation system. The motor is used for driving an electro-mechanical actuator of 20 ton capacity. Surface mounted, radially magnetized permanent magnet design is mostly ... 詳細を見る

This paper is an investigation into the effect of blood vessel movement on measurement accuracy of blood flow rate using magnetic flow meters. The investigation used a Finite Element model of the magnetic flowmeter built using COMSOL Multiphysics® software by integrating the modules of ... 詳細を見る

This paper presents the mathematical modeling for the analysis of the magnetostrictive materials, which describes the behaviour of the magneto-mechanical coupling in a rod of magnetostrictive material and capturing it in COMSOL® to produce a predictive and detailed analysis. A simulation ... 詳細を見る