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On-Orbit Performance of the FY-4 GIIRS Stirling Cryocooler Over 2 Years
Journal of Low Temperature Physics ( IF 1.1 ) Pub Date : 2021-03-04 , DOI: 10.1007/s10909-021-02570-2
Zhenhua Jiang , Yinong Wu , Zhi Lu , Peng Zhao , Xiaoping Qu , Jiawei Jiang , Zhiqiang Zuo , Yinjun Lu , Chuan Chen , Baoyu Yang , Chaohua Ou , Shaoshuai Liu

The Fengyun series 4 (FY-4) Geostationary Interferometric Infrared Sounder (GIIRS) is the first interferometric infrared sounder operating in geostationary orbit internationally, for vertical air soundings of temperature and humidity. This paper describes the long-life Stirling cryocooler operating at 60 K in GIIRS. The cryocooler’s performance at room temperature, mounting status on the GIIRS, performance with and without phase control and on-orbit performance for 2 years are described. Until May 31, 2019, the cooler had more than 20,000 h of continuous running time with no indication of a change in performance. The undegraded performance provided by the cryocooler has enabled the GIIRS to fulfill its mission.



中文翻译:

FY-4 GIIRS斯特林低温制冷机2年的在轨性能

风云系列4(FY-4)对地静止干涉红外测深仪(GIIRS)是国际上第一个在对地静止轨道运行的干涉红外测深仪,用于垂直温度和湿度的空气探测。本文介绍了在GIIRS中以60 K运行的长寿命斯特林低温冷却器。描述了低温制冷器在室温下的性能,在GIIRS上的安装状态,有无相位控制的性能以及2年的在轨性能。直到2019年5月31日,冷却器的连续运行时间超过20,000小时,并且没有性能变化的迹象。低温冷却器提供的出色性能使GIIRS能够完成其任务。

更新日期:2021-03-04
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