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中国物理学会期刊

超高速空间微小碎片撞击充电材料诱发的放电

CSTR: 32037.14.aps.61.039601

Discharging of charged material initiated by impacting of hypervelocity small debris

CSTR: 32037.14.aps.61.039601
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  • 空间微小碎片与航天器表面超高速撞击, 能够抛射出等离子体, 在高充电的航天器表面诱发静电放电, 是可能引发航天器异常的一个重要因素. 本文利用等离子体驱动微小碎片加速器对充电材料进行超高速(3 km/s)撞击模拟实验, 通过观测放电脉冲信号来研究因撞击产生的等离子体诱发的放电, 得到较好的实验现象, 初步确认了超高速碎片撞击充电材料诱发放电的机理.

     

    It may cause generation of plasma and induce the ESD phenomenon when the super-hypervelocity space small debris impact on the charged spacecraft surface. This is a important factor may cause spacecraft abnormity. In this article, a kind of charged material is impacted on the plasma driven accelerator and the discharging signal induced by impact is collected. The effect of the simulating test is obvious. By theoretical analysis, we verified initiatively the hidden trouble of ESD induced by space debris impacting on the charged materials.

     

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