【摘要】 综合介绍了氦制冷在航天器中的应用状况。氦制冷的温度低于４Ｋ。８０年代以来，氦制冷在红外天文卫星、空间实验室、空间站、航天飞机所进行的许多与液氦温区有关的实验中得到了成功的应用。介绍了应用状况、低温系统的特性。展望了９０年代航天器中氦制冷的应用前景。更多还原

【Abstract】 This article comprehensively introduces how to make use ofhelium refrigeration in spacecraft.The temperature of helium refrigerationis below 4K。Since the eighties,helium refrigeration has been successfullyused in many experilments which concern with the liquid helium temperatureregion in infra-red astronomical satellite,space experiment laboratory,spaceport and space shuttle.It also introduces usage situation and specificproperty of cryogenics system,It points out the usage perspective ofhelium refrigeration in spacecraft in nineties.更多还原