| 空间红外天文观测中低温制冷系统分析 |
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| 引用本文： | 刘心广,吴亦农,李春来. 空间红外天文观测中低温制冷系统分析[J]. 低温工程, 2011, 0(3): 50-54 |
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| 作者姓名： | 刘心广 吴亦农 李春来 |
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| 作者单位： | 杭州电子科技大学电子信息学院;中国科学院上海技术物理研究所微型制冷技术研究室;中国科院上海技术物理研究所航空遥感技术研究室; |
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| 基金项目： | 中国科学院知识创新工程青年人才领域前沿项目资助 |
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| 摘 要： | 基于红外天文卫星中探测器组件和光学部分极低工作温度的需求,结合近来发射的2颗卫星(SIRTF和ASTRO-F),分析了红外天文卫星中的低温系统,给出了总体制冷方案和低温系统有效载荷示意框图,通过三级复合制冷方式,最大程度地降低超流氦用量,延长卫星工作寿命.针对超流氦制冷在空间应用时的特殊性,阐述了气液相分离、质量监测、...
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| 关 键 词： | 红外天文观测 空间制冷 超流氦 气液相分离器 质量监测 流量调节 |
Cryogenic system for space infrared astronomy observatory |
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| Liu Xinguang,Wu Yinong,Li Chunlai. Cryogenic system for space infrared astronomy observatory[J]. Cryogenics, 2011, 0(3): 50-54 |
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| Authors: | Liu Xinguang Wu Yinong Li Chunlai |
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| Affiliation: | Liu Xinguang1 Wu Yinong2 Li Chunlai3(1Electronic Information College,Hangzhou Dianzi University,Hangzhou 310018,China)(2Miniature Cooling Techniques Laboratory,Shanghai Institute of Technical Physics,CAS,Shanghai 200083,China)(3 Aerial Remote Sensing Laboratory,China) |
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| Abstract: | Based on the working temperature requirement of sensors and optics assembly,cryogenic system in infrared astronomy satellites was studied by analyzing two famous satellites SIRTF and ASTRO-F.The blue print and the payload schematics of cryogenic system were given,a compound refrigerating system was used to decrease the amount of superfluid helium and extend the satellite's operating lifetime to the greatest degree.As to the special characteristics of superfluid helium in space missions,the working principle... |
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| Keywords: | infrared astronomy observatory space cryogenics superfluid helium liquid-vapor phase separator mass gauge flow control |
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