| 带充液腔的自旋卫星稳定性问题 |
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| 引用本文： | 黄怡,刘延柱.带充液腔的自旋卫星稳定性问题[J].宇航学报,1988(1). |
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| 作者姓名： | 黄怡 刘延柱 |
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| 作者单位： | 上海工程技术大学
(黄怡)，上海交通大学(刘延柱) |
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| 摘 要： | 本文应用Pfeiffer的思想讨论带轴对称充液腔的卫星系统自旋稳定性。本方法的基本思想为将轴对称腔内的液体旋度平均化,使之与空间位置无关,由此将液体的无限自由度问题离散化为有限自由度问题,从而用线性理论讨论系统的自旋稳定性。用这方法,本文讨论了带充液腔的非轴对称卫星系统、带充液腔的双自旋卫星系统的自旋稳定性,给出了它们的自旋稳定性判据。此外,本文还给出了一些带有不同形状腔体的卫星系统自旋稳定域图,为实际工程设计人员提供理论参考。
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| 关 键 词： | 自旋稳定卫星 同步通信卫星 液体晃动 旋转稳定性 航天器稳定性 航天动力学 |
THE PROBLEM OF THE STABILITY OF THE SELF-SPINNING SATELLITE WITH A LIQUID-FILLED CAVITY |
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| Huang Yi Liu Yanzhu.THE PROBLEM OF THE STABILITY OF THE SELF-SPINNING SATELLITE WITH A LIQUID-FILLED CAVITY[J].Journal of Astronautics,1988(1). |
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| Authors: | Huang Yi Liu Yanzhu |
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| Institution: | Huang Yi Liu Yanzhu(Shanghai University of Engineering Science) (Shanghai Jiao Tong University) |
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| Abstract: | This paper makes an application of the Pfeiffer's theory to discuss the spinning stability of the satellite system with a symmetrical liquid-filled cavity. The general idea of this paper is to regard the rotation of the liquid in the symmetrical cavity as an average, so that the rotation has no connection with the spacial position. As a result, the problem of the indefinite freedom degree is dispered to the problem of the definite freedom degree, making it available to discuss the self-spinning stability of the system with the liquid-filled cavity and the top system with the liquid-filled cavity as well through the linear theory; and the charging factors of the spinning stability of which are also given in this paper.Furthermore, this paper has shown some spinning stabilical ranges of the satellite system with the cavities of different shape, serving as a theoretical reference for engineering designers in practise. |
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| Keywords: | Spin stabilized setellite Synchronous communication satellite Liquid sloshing Rotary stability Spacecraft stability Astrodynamics |
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