激光诱导等离子体模拟微小空间碎片撞击诱发放电研究  

Simulation of small space debris impact inducing discharge using laser-induced plasma method

作　　者：李宏伟[1] 韩建伟[1] 蔡明辉[1] 吴逢时 张振龙[1] 

机构地区：[1]中国科学院空间科学与应用研究中心,北京100190

出　　处：《物理学报》2014年第11期462-467,共6页Acta Physica Sinica

基　　金：国家自然科学基金(批准号:41174263)资助的课题~~

摘　　要：微小空间碎片撞击诱发放电能够触发航天器的在轨工作异常甚至失效,对航天器的安全运行构成严重威胁.国内外相关机构已经利用地面模拟装置对撞击诱发放电的机理进行了初步的研究,但是更深入的研究由于实验条件的限制受到制约,本文根据激光诱导等离子体与碎片撞击诱发等离子体参数相似的特点,首次提出了利用脉冲激光诱导等离子体技术模拟微小空间碎片撞击诱发放电的方法,并从理论上对该方法进行分析,初步的实验结果证实了该方法的可行性.Small space debris impact that induces discharge can trigger disturbance of a spacecraft, which is a big threat to the safety of it. Research on this effect has already been carried out, but due to the limit of the facilities the research is also restricted. Since the primary cause of small space debris impact that induces discharge is to induce the plasma,similar to the laser inducing the plasma, this paper tries to simulate the space debris impact inducing discharge using a laser-induced discharge method. The analysis and experimental results are given, and they prove that this method is reliable.

关 键 词：微小空间碎片 脉冲激光 撞击诱发放电 

分 类 号：V419[航空宇航科学与技术—航空宇航推进理论与工程] V528