摘要
常规线圈型电磁发射器的径向应力远大于轴向加速力,因此构建了径向磁场与环向电流作用的多极矩场电磁发射模式;介绍了多极矩场电磁发射器的系统设计,分析了弹射部分和多级加速部分电磁力的产生,基于抛体电流丝法建立了发射系统的机电方程;采用电磁场有限元与瞬态电路耦合法,仿真分析了单级8极矩场电磁发射的瞬态过程;搭建原理性缩比实验,验证了多极矩场电磁发射模式的可行性。
The axial acceleration force of the conventional coil electromagnetic launcher is muchless than the radial compression force. This paper presents a novel multipole field electromagneticlauncher based on the interaction of radial magnetic field and loop eddy current. The operationprinciple and conception model are introduced. The electromagnetic acceleration forces of eddy-currentcatapult and induction acceleration are analyzed. Based on the current filament method, the systemdynamic equations are established. By electromagnetic field finite element analysis coupling withcircuit, the transient launch process of single stage of octupole field coil electromagnetic launcher issimulated. The experiment results of the principle prototype indicate that the multipole field coilelectromagnetic launcher is feasible.
作者
朱英伟
雷勇
周群
姚领
孙照华
Zhu Yingwei;Lei Yong;Zhou Qun;Yao Ling;Sun Zhaohua(School of Electrical Engineering and Information Sichuan University Chengdu 610065 China)
出处
《电工技术学报》
EI
CSCD
北大核心
2016年第18期54-58,共5页
Transactions of China Electrotechnical Society
基金
国家自然科学基金(51207097)
教育部博士点基金(20120181120100)资助项目
关键词
电磁发射
多极矩场电磁发射器
电流丝法
电磁场有限元法
Electromagnetic launch
multipole field electromagnetic launcher
current filament method
electromagnetic field finite element method
