强激光与粒子束, 2004, 16 (5): 645, 网络出版: 2006-05-15   

金属壳体和电缆的系统电磁脉冲响应

Response of metal shell and cables to system generate electromagnetic pulse effects
作者单位
西北核技术研究所,陕西,西安710024
摘要
研究了金属壳体和电缆遇到高空核爆炸产生的脉冲X射线辐射时的系统电磁脉冲响应,讨论了系统电磁脉冲产生机理、幅值和对系统的耦合途径.通过对计算和试验数据的分析,获得了金属壳体模型和单电缆及双电缆的系统电磁脉冲响应数据,简要分析了壳体的系统电磁脉冲损伤薄弱环节.
Abstract
The exposure of a system to an X-ray or γ-ray environment produces system generate electromagnetic pulse (SGEMP). The X-ray or γ-ray generate emissions of photoelectrons, Compton electrons and secondary electrons from surface of system materials, which produce photo Compton currents in the space within and about the system structure. These photo-Compton currents generate electric and magnetic fields which couple energy into the system electric circuit. For most SGEMP interest is the net number of electrons crossing a boundary at the interface between dissimilar material. In the paper the responses to SGEMP of aerocraft while it is exposed in the pulse X-ray radiation environment induced by high altitude nuclear explosion are analyzed. The mechanism, magnitude and couple approach to system of SGEMP are discussed. By analyzing calculation and experimental results, the response of metal shell, inner cavity and single and dual cable are obtained.

周辉, 郭红霞, 李宝忠, 程引会, 常东梅. 金属壳体和电缆的系统电磁脉冲响应[J]. 强激光与粒子束, 2004, 16(5): 645. ZHOU Hui, GUO Hong-xia, LI Bao-zhong, CHENG Yin-hui, CHANG Dong-mei. Response of metal shell and cables to system generate electromagnetic pulse effects[J]. High Power Laser and Particle Beams, 2004, 16(5): 645.

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