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首页> 外文期刊>The Journal of the Astronautical Sciences >Orbital Dynamics of Sun-Facing Solar Sails Under the Constraint of Constant Sail Temperature
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Orbital Dynamics of Sun-Facing Solar Sails Under the Constraint of Constant Sail Temperature

机译：恒帆温度约束下面向太阳的太阳帆的轨道动力学

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摘要

The orbital dynamics of Sun-facing solar sails is investigated considering a constraint of constant sail temperature at the limit of the sail material Although solar sails can normally be articulated so as to provide thrust with both a transverse and radial component, a Sun-facing attitude with the center of solar pressure behind the center of gravity may be preferred for very large or gossamer sails in order to achieve Sun-facing attitude stability,. The proposed Sun-facing solar sails are applicable to space weather and geo-storm warning missions for monitoring the inner solar system environment by in-situ measurement of solar wind plasma and high-energy particle events. Constraining the temperature of the sail to the temperature limit of the sail material allows the innermost circular orbits to be attained thereby maximizing scientific returns,. The stability of the heliocentric circular orbit under such radial thrust with the constant temperature constraint is investigated, and the stability conditions are obtained as functions of the radius of circular orbit and the solar sail lightness number accounting for optical/thermal properties.
机译：考虑到在帆材料极限处的恒定帆温度，研究了面向太阳的太阳帆的轨道动力学。尽管通常可以铰接太阳帆以提供具有横向和径向分量的推力，但面对太阳的姿态对于大帆或游丝帆，最好将太阳压力的中心放在重心后面，以实现面向太阳的姿态稳定性。拟议中的面向太阳的太阳帆适用于太空天气和暴风雨预警任务，用于通过对太阳风等离子体和高能粒子事件的原位测量来监视内部太阳系环境。将帆的温度限制在帆材料的温度极限以内，可以实现最里面的圆形轨道，从而最大程度地提高科学回报。研究了在恒定的温度约束下在这种径向推力作用下日心圆形轨道的稳定性，并获得了稳定条件，该条件是圆形轨道半径和考虑光/热性质的太阳帆亮度数的函数。

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