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HELIUM LIQUEFACTION BY A GIFFORD-MCMAHON CYCLE CRYOGENIC REFRIGERATOR.

Author(s) : YOSHIMURA H.

Type of article: Article

Summary

THE ARTICLE DESCRIBES THE PRINCIPAL DESIGN FEATURES AND PERFORMANCE TEST RESULTS OF A THREE-STAGE GIFFORD-MCMAHON CYCLE CRYOGENIC REFRIGERATOR BY WHICH THE AUTHORS HAVE ACHIEVED A NO-LOAD TEMPERATURE OF 3.3 K AND SUCCEEDED IN HELIUM LIQUEFACTION. THE REFRIGERATION CAPACITY WAS 20 MILLIWATTS AT 4.2 K AND THE HELIUM LIQUEFACTION RATE WAS 10 CM3/H. THE KEY POINT OF THE SUCCESS IS THE SELECTION OF GADOLINIUM-ERBIUM-RHODIUM COMPOUNDS AS A REGENERATOR MATERIAL.

Details

  • Original title: HELIUM LIQUEFACTION BY A GIFFORD-MCMAHON CYCLE CRYOGENIC REFRIGERATOR.
  • Record ID : 1991-0490
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 60 - n. 11
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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