Abstract A torus-shaped sail consists of a reflective membrane attached to an inflatable torus-shaped rim. The sail’s deployment from its stowed configuration is initiated by introducing inflation pressure into the toroidal rim with an attached circular flat membrane coated by heat-sensitive materials that undergo thermal desorption (TD) from a solid to a gas phase. Our study of the deployment and acceleration of the sail is split into three steps: at a particular heliocentric distance a torus-shaped sail is deployed by a gas inflated into the toroidal rim and the membrane is kept flat by the pressure of the gas; under heating by solar radiation, the membrane coat undergoes TD and the sail is accelerated via TD of coating and solar radiation pressure (SRP); when TD ends, the sail utilizes thrust only from SRP. We study the stability of the torus-shaped sail and deflection and vibration of the flat membrane due to the acceleration by TD and SRP.

中文翻译：

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通过涂层的热解吸加速环形太阳帆

摘要 圆环形帆由附着在可充气圆环形轮缘上的反射膜组成。帆从其收起配置展开的开始是通过将充气压力引入环形轮缘，并附有圆形平面膜，该膜由热敏材料涂覆，热敏材料经历从固体到气相的热解吸 (TD)。我们对帆的展开和加速的研究分为三个步骤：在特定的日心距离处，通过充气进入环形边缘的气体展开圆环形帆，并且膜在气体压力的作用下保持平坦；在太阳辐射加热下，薄膜涂层经历TD，帆通过涂层TD和太阳辐射压力（SRP）加速；当 TD 结束时，帆仅利用来自 SRP 的推力。