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航天器介质放电脉冲频谱特征实验研究

全荣辉 张振龙 韩建伟

全荣辉, 张振龙, 韩建伟. 航天器介质放电脉冲频谱特征实验研究[J]. 空间科学学报, 2013, 33(6): 659-663. doi: 10.11728/cjss2013.06.659
引用本文: 全荣辉, 张振龙, 韩建伟. 航天器介质放电脉冲频谱特征实验研究[J]. 空间科学学报, 2013, 33(6): 659-663. doi: 10.11728/cjss2013.06.659
Quan Ronghui, Zhang Zhenlong, Han Jianwei. Experimental Study of Frequency Spectrum Characteristics in Spacecraft Dielectric Discharging[J]. Journal of Space Science, 2013, 33(6): 659-663. doi: 10.11728/cjss2013.06.659
Citation: Quan Ronghui, Zhang Zhenlong, Han Jianwei. Experimental Study of Frequency Spectrum Characteristics in Spacecraft Dielectric Discharging[J]. Journal of Space Science, 2013, 33(6): 659-663. doi: 10.11728/cjss2013.06.659

航天器介质放电脉冲频谱特征实验研究

doi: 10.11728/cjss2013.06.659
基金项目: 国家自然科学基金项目资助(41004083)
详细信息
    作者简介:

    全荣辉,E-mail:quanrh@nuaa.edu.cn

  • 中图分类号: V542

Experimental Study of Frequency Spectrum Characteristics in Spacecraft Dielectric Discharging

  • 摘要: 空间电子辐射环境下,航天器介质的充放电效应是威胁航天器安全的重要因素.介质放电现象除与材料参数及构型相关外,还与空间电子环境密切相关.本文通过电子枪和Sr90放射源在地面实验装置上模拟空间电子辐照环境,测试了环氧树脂、聚四氟乙烯、聚酰亚胺等常见空间材料在不同温度、不同电子能量和电子束流强度影响下的放电脉冲,并对放电电流脉冲和电场脉冲进行频谱分析.实验分析结果表明,介质材料的放电电流脉冲频谱具有明显的单峰结构,该峰值与材料厚度和入射电子能量相关,但受材料温度和辐照束流强度影响不大.

     

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出版历程
  • 收稿日期:  2013-07-13
  • 修回日期:  2013-08-25
  • 刊出日期:  2013-11-15

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