Abstract
A reliable and low-cost miniature cryocooler for cooling infrared detectors, superconducting devices and other cryoelectronic instruments is a very challenging research topic in the cryogenic engineering field. Among different cryocoolers, a miniature, Joule-Thompson cryocooler with special mixtures is now a possible candidate for the mentioned applications due to recent developments. In this paper, the performance of a miniature mixed-refrigerant Joule-Thompson cryocooler operating around 80K and working at supply pressures of 1.0MPa to 2.5MPa has been studied experimentally. Our experimental results show that our mixed-refrigerant Joule-Thompson cooler can achieve 80K within the normal working pressure of R22 compressors and even down to the normal working pressure of R12 compressors. Thus , a 80K Joule-Thompson cryocooler driven by a R12 compressor with lower weight, smaller size and lower input electrical power can possibly be developed for cooling infrared detectors in the near future.
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References
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© 1998 Springer Science+Business Media New York
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Luo, E.C., Zhou, Y., Gong, M.Q. (1998). Mixed-Refrigerant Joule-Thompson Cryocooler Driven By R22/R12 Compressor. In: Kittel, P. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 43. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9047-4_210
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DOI: https://doi.org/10.1007/978-1-4757-9047-4_210
Publisher Name: Springer, Boston, MA
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