卫星低温压力容器贮供技术研究进展与关键技术分析(一)OA北大核心CSTPCD

Aiming at the application requirements of spacecraft propulsion systems such as space satellites and spacecrafts for high-density,low-pressure storage and on-orbit refueling cryogenic propellants,this paper proposes the main key technologies of satellite cryogenic pressure vessels,including material and structure technology,fluid supply management technology,passive adiabatic protection technology,active refrigeration thermal coupling technology,quality monitoring technology,liquid-gas conversion technology,pressure regulation technology,flow control technology and on-orbit refueling technology.The technological progress and development trend of this research in foreign countries were analyzed,and the domestic research progress was summarized and discussed,furthermore,the suggestions for technological development were put forward.The comprehensive research shows that the storage and supply technology of satellite cryogenic pressure vessel is the core key technology in the future space field,which can provide strong support for the development of spacecraft electric propulsion system.