S型超导六极磁体的电磁-力学分析研究  

Electromagnetic and mechanical analysis of S-hexapole superconducting magnet

作　　者：张建华 颜正天 魏绍清 Zhang Jianhua;Yan Zhengtian;Wei Shaoqing(School of Information and Control Engineering,Qingdao University of Technology,Qingdao 266525,China;Institute of Plasma Physics,Hefei Institute of Physical Science,Chinese Academy of Sciences,Hefei 230031,China)

机构地区：[1]青岛理工大学信息与控制工程学院,青岛266525 [2]中国科学院合肥物质科学研究院等离子体物理研究所,合肥230031

出　　处：《低温与超导》2023年第2期41-47,84,共8页Cryogenics and Superconductivity

基　　金：安徽省重点研究与开发计划项目(2022a05020038);安徽省自然科学基金面上项目(2208085ME144)资助。

摘　　要：通过有限元分析的方法对14.5 GHz的ECR离子源中S型六极磁体电磁与力学特性进行了分析研究。对比分析了跑道型、马鞍型和S型三种结构的ECR离子源磁体间的相互作用力,然后以离子源所需的轴向约束场以及磁体间的电磁力为优化对象,研究S型六极磁体的优化。结果表明:相较于传统结构,S型六极磁体结构的优势在于能够提升ECR离子源的轴向磁场以及降低磁体端部所受洛伦兹力和应力。The electromagnetic and mechanical properties of S-hexapole magnet in 14.5 GHz ECR ion source were analyzed by means of finite element analysis. The interaction force between the magnets of ECR ion source with three structures of racetrack, saddle and S was compared and analyzed. Then, taking the axial confinement field required by the ion source and the electromagnetic force between the magnets as the optimization object, the optimization of S-hexapole magnet was studied. The results show that compared with the traditional structure, the advantage of the S-hexapole magnet structure is that it can increase the axial magnetic field of the ECR ion source and reduce the Lorentz force and stress on the end of the magnet.

关 键 词：ECR离子源 六极磁体 超导磁体 S型 

分 类 号：TM26[一般工业技术—材料科学与工程]