Feasibility analysis of the angular momentum reversal trajectory via hodograph method for high performance solar sails

查看全文 作　　者：ZENG XiangYuan BAOYIN HeXi LI JunFeng GONG [1]ShengPing

机构地区：[1]School of Aerospace, Tsinghua University, Beijing 100084, China

出　　处：《Science China(Technological Sciences)》索引2011年第54卷第11期,共7页

基　　金：supported by the National Natural Science Foundation of China (Grant Nos.10902056 and 10832004) 摘　　要：In this paper a new phase space of hodograph method is adopted to investigate and better understand the two-dimensional angular momentum reversal(H-reversal) trajectories for high performance solar sails within a fixed cone angle.As the hodograph method and the H-reversal trajectory are not very common,both of them are briefly introduced.The relationship between them are constructed and addressed with a sample trajectory.How the phase space varies according to the sail quality and the fixed sail cone angle is also studied.Through variation of the phase space,the minimum sail lightness number can be obtained by solving a set of algebraic equations instead of a parameter optimization problem.For a given sail lightness number,there are three types of the two-dimensional possible heliocentric motion,including the spiral inward trajectories towards the Sun,the H-reversal trajectories and the directly outward escape trajectories.The boundaries that separate these different groups are easily determined by using the phase space.Finally,the method and procedures to achieve the feasible region of the H-reversal trajectory with required perihelion distance are presented in detail. 关键词：太阳帆角动量性能逆转过速相空间优化问题代数方程

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Feasibility analysis of the angular momentum reversal trajectory via hodograph method for high performance solar sails

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