在轨低温推进剂储存地面试验研究

拟采用薄膜电加热片模拟太阳照射空间热环境、采用以液氮液氢为低温介质的冷屏模拟深空低温环境,以热缩比模型代替全尺寸的试验研究。该技术可同时实现对高温热流、低温热流及瞬态热流变化的模拟,为低温推进剂蒸发量抑制地面验证试验提供不同高度的空间热试验环境。另外文章还对数据测量在真空热试验中的应用情况作了简要介绍。

Study on Ground Test of in Orbit Cryogenic Propellant Storage

This paper uses a thin film electric heating sheet simulated solar irradiation space thermal environment, cold screen simulation of deep space temperature environment with liquid nitrogen and hydrogen, with heat shrinkable ratio mod-el instead of full size test. The technology can realize the simulation of the high temperature heat flux, the low temperature heat flux and the change of the transient heat flux at the same time. In addition, the paper also gives a brief introduction to the application of data measurement in vacuum thermal test.