17 May 2016 Experimental investigations and applications of cryogenic heat pipes
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In the infrared system, in order to decrease the background radiation and maximize the sensitivity, cooling down the aft-optic components' temperature is a better choice. Some two-phase devices such as grooved heat pipe or loop heat pipe (LHP) were used to link the cold sink and IR aft-optic components. This paper presented the testing results of cryogenic grooved heat pipes which were used in some infrared test systems in the temperature range of 160~210K with different heat load conditions. Also, some experimental results of cryogenic loop heat pipe were introduced in this paper.
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Enguang Liu, Fan Yang, YongBin Mu, Yinong Wu, "Experimental investigations and applications of cryogenic heat pipes", Proc. SPIE 9821, Tri-Technology Device Refrigeration (TTDR), 98210T (17 May 2016); doi: 10.1117/12.2223853; https://doi.org/10.1117/12.2223853

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