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Design and application of heat pipe thermal switch on lunar-based ultraviolet telescope
其他题名热开关热管在月面探测光学设备中的应用
Zhang Bingqiang1,2; Lyu Wei1,2; Zhang Youwei1,2; Li Fu3; Liu Zijun1,2; Guo Lin1,2; Miao Jianyin1,2
作者部门月球与深空探测技术研究室
2017-12
发表期刊Chinese Space Science and Technology
ISSN1000-758X
卷号37期号:6页码:68-74
产权排序3
摘要

In the brutal temperature environment in moon surface with the range of -180℃ to 90℃,it needs to solve the Lunar-Based Ultraviolet Telescope (LUT) heat dissipation during lunar daytime and heat preservation during moonlit night without electric energy supply.In order to solve the heat consumption transmission,discharge,and the heat preservation problem of moon night,a passive heat pipe thermal switch (HPTS)was proposed as a means of long distance heat transfer between the device and the radiator,according to the phase transition characteristics of the working fluid.Depending on the equipment temperature index,a working fluid with suitable freezing point and heat transfer capacity was selected.The HPTS was filled with working fluid,which can transmit energy from evaporator to condenser by phase-change.In extremely low temperature of the night,the working fluid is frozen,it causes the connection to be interrupted,and then the LUT can be maintained above the survival temperature.It has been proven through the ground test and in-orbit result that the switching ratio of HPTS is greater than 30 near the freezing point.At a working temperature of 7℃,the heat transfer capacity of HPTS is greater than 15W,and heat transfer temperature difference is less than 4℃.In addition,the HPTS can accommodate Lander's tilt of 15°.All the properties of the HPTS ensure that the LUT on Lander works in orbit with high performance.

关键词Chang'e 3 Lander Lunar-based Ultraviolet Telescope Heat Pipe Thermal Switch Conductance Ratio
DOI10.16708/j.cnki.1000-758x.2017.0049
收录类别CSCD
语种中文
WOS研究方向Engineering
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30099
专题月球与深空探测技术研究室
作者单位1.Beijing Institute of Spacecraft System Engineering, Beijing 100094, China
2.Beijing Key Laboratory of Space Thermal Control Technology, Beijing 100094, China
3.Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences, Xi'an, Shaanxi 710119, China
推荐引用方式
GB/T 7714
Zhang Bingqiang,Lyu Wei,Zhang Youwei,et al. Design and application of heat pipe thermal switch on lunar-based ultraviolet telescope[J]. Chinese Space Science and Technology,2017,37(6):68-74.
APA Zhang Bingqiang.,Lyu Wei.,Zhang Youwei.,Li Fu.,Liu Zijun.,...&Miao Jianyin.(2017).Design and application of heat pipe thermal switch on lunar-based ultraviolet telescope.Chinese Space Science and Technology,37(6),68-74.
MLA Zhang Bingqiang,et al."Design and application of heat pipe thermal switch on lunar-based ultraviolet telescope".Chinese Space Science and Technology 37.6(2017):68-74.
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