日-地系拉格朗日L1点太阳观测器热设计

王祥; 李义; 杨献伟

doi:10.3788/CO.20130606.930

Volume 6 Issue 6

Dec. 2013

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Chinese Optics > 2013 > 6(6): 930-938.

WANG Xiang, LI Yi, YANG Xian-wei. Thermal design of solar observer at L1 Lagrangian point in Sun-Earth system[J]. Chinese Optics, 2013, 6(6): 930-938. doi: 10.3788/CO.20130606.930

Citation:

WANG Xiang, LI Yi, YANG Xian-wei. Thermal design of solar observer at L1 Lagrangian point in Sun-Earth system[J]. Chinese Optics, 2013, 6(6): 930-938. doi: 10.3788/CO.20130606.930

WANG Xiang, LI Yi, YANG Xian-wei. Thermal design of solar observer at L1 Lagrangian point in Sun-Earth system[J]. Chinese Optics, 2013, 6(6): 930-938. doi: 10.3788/CO.20130606.930

Citation:

WANG Xiang, LI Yi, YANG Xian-wei. Thermal design of solar observer at L1 Lagrangian point in Sun-Earth system[J]. Chinese Optics, 2013, 6(6): 930-938. doi: 10.3788/CO.20130606.930

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Thermal design of solar observer at L1 Lagrangian point in Sun-Earth system

doi: 10.3788/CO.20130606.930

WANG Xiang^1,2,
LI Yi^{1
,
,},
YANG Xian-wei¹

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 12 Sep 2013
Rev Recd Date: 02 Nov 2013
Publish Date: 10 Dec 2013

Abstract

Abstract

To ensure the temperature requirements of the solar observer working at L1 Lagrangian point, the thermal design for Lyman Coronagraphy Imager(LACI) and Lyman Disk Image(LADI) was carried out, and the heat flux of the orbit was calculated. The thermal designs of light trap, filter components, detector components, electric box, and entirety of the observer were discussed in details. By using collector panels settled in the side facing to the Sun, the active heating power could be reduced by 73%. In order to reduce the temperature gradient caused by long-term observation facing to the sun, a heat pipe was embedded in the frame. Simulation results show that all conditions meet the temperature indicator in 4 typical cases. The thermal design system with a low active power solves many problems, such as the cooling of the observer in orbit, insulation during orbital transfer phase, and meets the working temperature requirement of below -50 ℃ for a CCD plane.
- thermal design,
- Lyman α Coronagraph Image(LACI),
- Lyman α Disk Image(LADI),
- solar observer

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