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Temperature profile and mass flow rate distributions in regenerator of Gifford-McMahon refrigerator using magnetic regenerator materials.

[In Japanese. / En japonais.]

Author(s) : KURIYAMA T., OHTANI Y., NAKAGOME H., YABUKI M., SESHAKE H., HASHIMOTO T.

Type of article: Article

Summary

Recently, magnetic regenerator materials, enable the GM refrigerator to achieve the liquid helium temperature level. The purpose of the study is to investigate a regenerator, which is operated with non-ideal helium gas. The experimental results of the regenerator performance in a two-stage GM cryocooler are described. The temperature profile, temperature fluctuation and mass flow rate in the regenerator are compared between ideal gas operation and non-ideal gas operation. The mass flow rate in the regenerator for ideal gas operation decreased from the hot end to the cold end. For non-ideal operation, the mass flow rate increased.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1997-1315
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 31 - n. 4
  • Publication date: 1996
  • Document available for consultation in the library of the IIR headquarters only.

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