给出强激光清除空间碎片过程中 ,随推进深度的变化 ,激光功率密度的改变及相应的推进速度。根据流体力学问题 ,推导出强脉冲激光作用在空间碎片上时的烧蚀率 ,及碎片受到的推力。以空间碎片其中的一种成分铝为例 ,模拟计算出在一个强脉冲的作用下 ,激光的烧蚀质量 ,相应的烧蚀率 ,碎片受到的推力 ,及耦合系数等物理量的数值 The changes of laser power density and the corresponding propulsion velocities are given in the course of intense laser clearing of space debris. According to the problem of fluid mechanics, the ablation rate of strong pulsed laser on space debris and the thrust force of debris are deduced. Taking one of the aluminum in space debris as an example, the numerical simulation of the ablation quality of the laser, the corresponding ablation rate, the thrust subjected to the debris and the coupling coefficient under the action of a strong pulse is simulated.