A miniature liquid helium temperature JT cryocooler for space application
A miniature liquid helium temperature JT cryocooler for space application
复制标题
空间应用微型液氦温度JT制冷机
DOI:
10.1007/s11431-014-5627-9
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发表时间:
2014-10
影响因子:
4.6
通讯作者:
Liang JingTao
中科院分区:
文献类型:
--
作者:
Liu YanJie;Li JianGuo;Ma YueXue;Liang JingTao
Along with the development of space science and technology, miniature liquid helium temperature long life cryocooler is a focus subject in cryogenic study. Since it is the precondition of space detection researches, institutions of space in many countries do the research on it. In this article, we designed a compound cooling system. A three-stage high frequency thermal coupled pulse tube cryocooler was used to precool a Joule-Thomson (JT) cryocooler. This system has no moving parts at low temperatures and is hence suitable for space operation. Liquid helium temperature was successfully achieved in both open loop and closed cycle experiments. In the closed cycle experiment, when 473 W electric power was inputted, the cooling system reached a no-load temperature of 4.4 K, and a cooling capacity of 11.6 mW was provided at 4.54 K. It is the first miniature liquid helium temperature JT cryocooler in China and the research achievement paves a way for the space application of ultra- long wave infrared detection and THz technologies.
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DOI:
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发表时间:
2008-05
期刊:
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影响因子:
--
作者:
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通讯作者:
M. Petach;D. Durand;M. Michaelian;J. Raab;E. Tward
影响因子:
10.3
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发表时间:
2006-05
期刊:
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影响因子:
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通讯作者:
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影响因子:
5.2
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DOI:
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发表时间:
2003-03
期刊:
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影响因子:
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通讯作者:
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