基于末级钝化推力变轨的月球借力轨道设计 |
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引用本文: | 李重远,王建明,周天帅,何兆伟,朱冬阁. 基于末级钝化推力变轨的月球借力轨道设计[J]. 导弹与航天运载技术, 2016, 0(1): 9-12. DOI: 10.7654/j.issn.1004-7182.20160103 |
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作者姓名: | 李重远 王建明 周天帅 何兆伟 朱冬阁 |
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作者单位: | 北京宇航系统工程研究所,北京,100076 |
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摘 要: | 对于运载火箭发射探月返回飞行试验器任务,火箭末级会跟随试验器再入返回地球,因其再入速度快、落区散布范围广,存在严重的安全隐患.为解决末级再入带来的安全性问题,提出基于末级钝化推力变轨的月球借力轨道设计方法,使末级进入绕地月飞行的大椭圆轨道.利用钝化推力实现月球引力辅助变轨,进而达到优化绕地月飞行轨道近地点高度的目的.
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关 键 词: | 探月返回 火箭末级 再入地球 钝化推力 月球借力 轨道设计 |
Study on the Moon-gravity Assisted Trajectory Design Utilizing Passivated-thrust of Final Stage of Launch Vehicle Maneuver |
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Abstract: | In the lunar flyby-return missions, the final stage of launch vehicle should goes with lunar exploration spacecraft and return to Earth, which brings serious security concerns for its ultra-high re-entering speed and ultra-wide falling region. Herein, the development on the large ellipse orbiting-Earth trajectory design is studied. The security problem of final stage of vehicle in the reentry process is solved. Passivated-thrust maneuver is adopted in the Moon-gravity assisted trajectory design, and the altitude of the perigee of the orbiting-Earth is optimized. |
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Keywords: | Lunar return Final stage of launch vehicle Re-entry earth Passivated-thrust Lunar gravity assist Trajectory design |
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