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The use of a nitrogen-argon mixture as the working gas in a Joule-Thomson cryogenic refrigerator.

Author(s) : ZHANG L., ZHANG G. G.

Summary

Analysis of experimental results shows that this kind of Joule-Thomson cryogenic refrigerator with a nitrogen-argon gas mixture is more efficient than that of a single gas. Its cool-down time and cooling temperature can be regulated flexibly by adjusting the ratio of nitrogen to argon, its refrigerating temperature can be easily controlled to about 80 K and its cool-down time is also shorter than that where pure nitrogen gas is used. This kind of cooler will be widely used in infrared guiding systems.

Details

  • Original title: The use of a nitrogen-argon mixture as the working gas in a Joule-Thomson cryogenic refrigerator.
  • Record ID : 1999-2020
  • Languages: English
  • Source: Cryogenics and refrigeration. Proceedings of ICCR '98.
  • Publication date: 1998/04/21
  • Document available for consultation in the library of the IIR headquarters only.

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