Passive cryogenic system for cooling a geostationary satellite
A. I. AbrosimovS. A. Lavochkin Scientific-Production Association, KhimkiK. M. PichhadzeS. A. Lavochkin Scientific-Production Association, KhimkiV. К. SysoevS. A. Lavochkin Scientific-Production Association, KhimkiA. A. VerlanS. A. Lavochkin Scientific-Production Association, KhimkiLü YanPhysicotechnical Institute, Chinese Academy of Sciences, ShanghaiLiu DingzhenPhysicotechnical Institute, Chinese Academy of Sciences, ShanghaiShangang WangPhysicotechnical Institute, Chinese Academy of Sciences, ShanghaiLi ZhongPhysicotechnical Institute, Chinese Academy of Sciences, Shanghai
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This paper describes a passive cryogenic system developed with a rotatable sunshade intended for cooling the photodetectors on a geostationary spacecraft. The temperatures of the main design elements and the loading curve of the system are given, obtained experimentally in a liquid-helium cryovacuum chamber.
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