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激光驱动典型几何形状碎片运动建模研究
引用本文:张品亮,龚自正,汤秀章,陈川,杨武霖.激光驱动典型几何形状碎片运动建模研究[J].航天器环境工程,2017,34(2):138-142.
作者姓名:张品亮  龚自正  汤秀章  陈川  杨武霖
作者单位:北京卫星环境工程研究所 可靠性与环境工程技术重点实验室, 北京 100094;北京卫星环境工程研究所 可靠性与环境工程技术重点实验室, 北京 100094;中国原子能科学研究院, 北京 102413;北京卫星环境工程研究所 可靠性与环境工程技术重点实验室, 北京 100094;北京卫星环境工程研究所 可靠性与环境工程技术重点实验室, 北京 100094
基金项目:国家自然科学基金项目(批准号:11505299);可靠性与环境工程技术重点实验室开放基金项目
摘    要:在以往的激光烧蚀驱动移除空间碎片研究中,均假设激光光束覆盖整个所关注的空间碎片。文章提出了焦斑式激光辐照下球体、圆柱体和立方体碎片反喷冲量和运动姿态的计算模型,研究了激光辐照在3种形状碎片不同位置处所产生的反喷冲量和姿态变化规律。结果表明:碎片运动规律与碎片几何形状和激光作用位置有关,当反喷冲量过质心时,碎片获得平动冲量;不过质心时,则会改变碎片的角速度或姿态。研究结果可为激光移除空间碎片研究提供理论参考。

关 键 词:空间碎片  焦斑式辐照  运动建模  典型几何形状
收稿时间:2017/1/13 0:00:00
修稿时间:2017/3/13 0:00:00

Dynamic modeling of laser-driven space debris of typical shapes
ZHANG Pinliang,GONG Zizheng,TANG Xiuzhang,CHEN Chuan and YANG Wulin.Dynamic modeling of laser-driven space debris of typical shapes[J].Spacecraft Environment Engineering,2017,34(2):138-142.
Authors:ZHANG Pinliang  GONG Zizheng  TANG Xiuzhang  CHEN Chuan and YANG Wulin
Institution:Science and Technology on Reliability and Environmental Engineering Laboratory, Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;Science and Technology on Reliability and Environmental Engineering Laboratory, Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;China Institute of Atomic Energy, Beijing 102413, China;Science and Technology on Reliability and Environmental Engineering Laboratory, Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;Science and Technology on Reliability and Environmental Engineering Laboratory, Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China
Abstract:In the active removal of space debris by the laser-driven method, it is assumed that the laser beams cover the whole debris assemble. This paper proposes to focus the laser beams into a small focal spot on the debris surface. A simple motion model is built to calculate the impulse and the attitude of the space debris of typical shape under a small laser spot irradiation. Fragments in shapes of sphere, cylinder and cube are selected. It is indicated that the momentum transfer by the laser ablation is related with the shape of the debris and the irradiated position. If the impulse direction is along the normal direction of the irradiated surface, the angular velocity of the debris will not change, on the other hand, if the impulse direction is not through the center of mass, the angular velocity and the attitude of the debris will change. The results of this paper may provide a theoretical basis for the active debris removal by the laser-driven method.
Keywords:space debris  laser spot irradiation  dynamic modeling  typical shapes
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