应用数学和力学2012，Vol.33Issue(5)：553-561,9.DOI:10.3879/j.issn.1000-0887.2012.05.004
纯引力轨道验证质量辐射计效应分析
Analysis of Radiometer Effect on the Proof Mass in Purely Gravitational Orbit
摘要
Abstract
Spacecrafts with the pure gravity environment were of great significance in precision navigation, gravity field measurement for celestial bodies and basic physics experiments. Radiometer effect was one of the important interfering factors on proof mass in the purely gravitational orbit. For gravity field measurement system based on inner-formation flying, the relationship between radiometer effect on the inner-satellite and system parameters was studied by u-sing analytical and numerical methods, and an approximate function of radiometer effect suitable for engineering computation and its correction factor were obtained. Analytic results show that radiometer effect on the inner-satellite is proportional to the average pressure but inversely proportional to the average temperature in the outer-satellite cavity. The radiometer effect increases with the increase of temperature difference in the cavity and its rninimum exists with the increase of the cavity radius. When the minimum of radiometer effect arrives, the ratio of the cavity radius and the inner-satellite radius is a constant 1.189 4. This constant is determined by the spherical cavity configuration and independent of the temperature and pressure distribution. When the ratio of the cavity radius and the inner-satellite radius is more than 10, it is believed that the cavity is large enough and radiometer effect is approximately proportional to the square of the inner-satellite radius and the change of radiometer effect with the outer-satellite cavity radius can be ignored.关键词
纯引力轨道/验证质量/内编队/辐射计效应/腔体半径Key words
purely gravitational orbit/ proof mass/ inner-formation flying system/ radiometer effect/ cavity radius分类
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刘红卫,王兆魁,张育林..纯引力轨道验证质量辐射计效应分析[J].应用数学和力学,2012,33(5):553-561,9.基金项目
国家自然科学基金资助项目(11002076) （11002076）
国防预研资助项目(51320010201) （51320010201）
