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《Spacecraft Environment Engineering》 2009-04
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Theoretical analysis on the velocity of laser-driven flyer

Cao Yan1, Gong Zizheng1, Dai Fu1, Tong Jingyu1, Niu Jinchao1, Pang Hewei2(1.Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;2.China Academy of Space and Technology, Beijing 100094, China)  
The laser-driven flyer(LDF) technique is widely used to simulate micro meteoroids and orbital debris(M/OD) with respect to their hypervelocity impacting effects.The flyer velocity is one of the key parameters of LDF and it is influenced by many factors.This paper analyzes the relationships between the flyer velocity and the laser energy, the width of laser pulse, the diameter of laser focal spot, and the flyer thickness based on Lawrence-Gurney model.Higher velocity flyer is obtained by using thinner target or smaller laser focal spot.At the same time, long pulse-high energy or short pulse-low energy laser are preferred in those experiments.These relations may help to obtain high velocity flyers in the LDF experiment.
【Fund】: 国家空间碎片专项(KJSP06209)资助项目
【CateGory Index】: TN24
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Chinese Journal Full-text Database 2 Hits
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【Secondary Citations】
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