Analysis on radiative heat transfer between lunar surface and OSR coating

被引：1
|
作者：
Xia, Xin-lin [1 ]
Sun, Chuang [1 ]
Yue, Xian-de [1 ]
Li, De-fu [1 ]
机构：
[1] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Peoples R China
来源：
ACTA ASTRONAUTICA | 2011年 / 69卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Radiative heat transfer; Lunar surface; OSR coating; Radiative properties;
D O I：
10.1016/j.actaastro.2011.02.017
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Taking into account the variable radiative properties of the lunar surface and the spectral characteristic of the OSR (Optical Solar Reflector) coating in infrared waveband, a radiative heat transfer computation between the lunar surface and the OSR coating is developed to predict the temperature evolution of the OSR coating. The OSR coating will be used outside of the lunar rover, and the radiative heat transfer is the main way of heat exchange for the OSR coating because there is no air on the Moon. In the process of the temperature computation of the OSR coating, the differential equation of heat conduction in lunar regolith and the orbit law of the Moon are employed to obtain the temperature value of the lunar surface. The simulation results show that the temperature difference of the OSR coating is about 13 K while the lunar rover lands in the lunar mare or the lunar highland, and the gray-body assumption of the OSR coating in infrared waveband should be considered seriously in the radiative heat transfer computation between lunar surface and OSR coating. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：71 / 77
页数：7
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