Anti-frost structure for the cryogenic shield of spacecraft

IR > 石油化工学院

	Anti-frost structure for the cryogenic shield of spacecraft
	Chen, Shuping1 ; Tan, Fengguang 1; Wu, Rui 1; Wu, Beimin 1; Xie, Fushou 1; Wen, Yonggang 2; Chen, Guangqi 2
	2012-04-01
发表期刊	Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
ISSN	10072276
卷号	41 期号:4 页码:853-857
摘要	The cryogenic shield of spacecraft is a device used to wrap the high-speed spacecraft up based on phase-change refrigeration. It can reduce the infrared radiation of the spacecraft flying in space. Before launching, the cryogenic shield needs to be filled up with low-temperature refrigerant. Without a frost prevention device, the filling process of liquid low-temperature refrigerant on the ground would cause severe frosting on the surface of the cryogenic shield so as to weaken its resistance to infrared radiation. An anti-frost structure was devised, which were made up by nitrogen protection layer and thermal insulation. For nitrogen does not easily congeal at low-temperature, it can protect the cryogenic shield from frosting. And the thermal insulation made of insulation materials has large thermal resistance, so it can make sure that the outside temperature of thermal insulation is above the local dew point and the vapor in the atmospheric environment will not congeal on the outside surface of the thermal insulation. Meanwhile the function relation of filling speed of protection gas with time was deduced. The experiment shows that there is no frost on the surface of the cryogenic shield and the thermal insulation, and the anti-frost structure is effective.
关键词	Atmospheric temperature Cryogenics Frost protection Infrared radiation Nitrogen Refrigerants Spacecraft Anti frosts Atmospheric environment Filling process Filling speed Insulation materials Low temperatures Protection gas Protection layers
收录类别	EI
语种	中文
出版者	Chinese Society of Astronautics
EI入藏号	20122415111426
EI主题词	Thermal insulation
EI分类号	413.2 Heat Insulating Materials - 443.1 Atmospheric Properties - 644.4 Cryogenics - 655.1 Spacecraft, General - 741.1 Light/Optics - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally
来源库	Compendex
分类代码	413.2 Heat Insulating Materials - 443.1 Atmospheric Properties - 644.4 Cryogenics - 655.1 Spacecraft, General - 741.1 Light/Optics - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/111348
专题	石油化工学院
作者单位	1.School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, China; 2.Lanzhou Institute of Space Technical Physics, Lanzhou 730000, China
第一作者单位	兰州理工大学
第一作者的第一单位	兰州理工大学
推荐引用方式 GB/T 7714	Chen, Shuping,Tan, Fengguang,Wu, Rui,et al. Anti-frost structure for the cryogenic shield of spacecraft[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2012,41(4):853-857.
APA	Chen, Shuping.,Tan, Fengguang.,Wu, Rui.,Wu, Beimin.,Xie, Fushou.,...&Chen, Guangqi.(2012).Anti-frost structure for the cryogenic shield of spacecraft.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,41(4),853-857.
MLA	Chen, Shuping,et al."Anti-frost structure for the cryogenic shield of spacecraft".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 41.4(2012):853-857.