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The effect of temperature distribution on reflectors in satellite optical terminals
Wang Chenjie1,2; Shangguan Aihong2; Chai Wenyi2; Hu Yongming2; Tao, Wenquan1; Tao, WQ (reprint author), Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermofluid Sci & Engn, Minist Educ, Xian 710049, Shaanxi, Peoples R China.
2018
会议名称4th Seminar on Novel Optoelectronic Detection Technology and Application
会议录名称FOURTH SEMINAR ON NOVEL OPTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATION
卷号10697
会议日期2017-10-24
会议地点Nanjing, PEOPLES R CHINA
出版地BELLINGHAM
出版者SPIE-INT SOC OPTICAL ENGINEERING
产权排序1
摘要

Considering of orbital environments and working mode of the reflectors, thermal model of the 45-degree reflector assembly in satellite optical terminals on orbit is established to obtain temperature distribution of the reflectors(the extreme low temperature is -38.0 degrees C, the extreme high temperature is 32.2 degrees C and the max temperature gradient is 3.3 degrees C), meanwhile, a thermal-optical vacuum experiment based on the analysis results is conducted to check the effect of temperature distribution on reflectors. the results shows: if temperature of the reflector is >=-10 degrees C, the reflector shape accuracy PV will be better than lambda/3, and the RMS will be better than lambda/30 (lambda= 632.8nm), but it becomes worse and is not able to meet application requirement when the temperature decreases continuously(-40 degrees C similar to-10 degrees C). So it is necessary to design reasonable active heating loops for reflector assembly to guarantee its performance on orbit.

关键词Reflectors Temperature Distribution Shape Accuracy Thermal-optical Vacuum Experiment Active Thermal Control
学科领域Engineering, Electrical & Electronic
作者部门空间光学应用研究室
DOI10.1117/12.2309879
收录类别EI ; ISTP
ISBN号978-1-5106-1948-7
语种英语
ISSN号0277-786X
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/30392
专题空间光学应用研究室
通讯作者Tao, WQ (reprint author), Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermofluid Sci & Engn, Minist Educ, Xian 710049, Shaanxi, Peoples R China.
作者单位1.Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermofluid Sci & Engn, Minist Educ, Xian 710049, Shaanxi, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Wang Chenjie,Shangguan Aihong,Chai Wenyi,et al. The effect of temperature distribution on reflectors in satellite optical terminals[C]. BELLINGHAM:SPIE-INT SOC OPTICAL ENGINEERING,2018.
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