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Features of Rotational Motion of a Spacecraft Descending in the Martian Atmosphere

机译:火星大气中航天器旋转运动的特征

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摘要

Angular motion at atmospheric entry is studied in the paper for a spacecraft with a bi-harmonic moment characteristic. Special attention is given to the case when the spacecraft possesses two stable balanced positions, and, hence, it can oscillate in dense atmospheric layers in the ranges of small or large angles of attack. The averaged equations of spacecraft motion are derived, which allow one to increase the speed of calculations by several orders of magnitude. A real example is presented, which concerns a spacecraft specially designed for descending in the Martian atmosphere.
机译:本文针对具有双谐波矩特性的航天器研究了大气进入时的角运动。当航天器具有两个稳定的平衡位置时,应特别注意这种情况,因此,航天器可以在小攻角或大攻角范围内的密集大气层中振荡。推导了航天器运动的平均方程,可以使计算速度提高几个数量级。给出了一个真实的例子,该例子涉及专门设计用于在火星大气中下降的航天器。

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