載人飛船鈍頭體返回艙減速著陸組合方式對(duì)比
[Abstract]:The selection of deceleration and landing mode for manned spacecraft is directly related to the safety of astronauts and is a crucial link in the overall design of manned spacecraft. This paper investigates a new generation of manned spacecraft deceleration and landing design which is being developed by the United States, Russia and other countries, and takes the blunt-body shape return cabin deceleration landing design widely used in the world as the research object. Taking the deceleration landing process of 7 t blunt body shape return cabin as an example, this paper compares and analyzes the buffer landing of the parachute deceleration combined airbag, the combined parachute deceleration engine buffer landing, and the parachute deceleration combination slide sledge buffer landing. The characteristics of six kinds of deceleration landing combination modes, such as engine deceleration combined landing leg buffer landing, parachute deceleration combined engine and airbag buffer landing, etc. The system quality and volume requirements of each combination are estimated, and the different schemes are compared and analyzed in terms of system quality, spatial layout, environmental adaptability, reliability and safety, damage degree of the cabin, etc. It provides a reference for the overall design department of the spacecraft to design the deceleration landing scheme of the return capsule.
【作者單位】: 南京航空航天大學(xué)航空宇航學(xué)院;中國(guó)空間技術(shù)研究院載人航天總體部;
【基金】:國(guó)家重大科技專項(xiàng)工程
【分類號(hào)】:V525
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