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HIGH EFFICIENT GIFFORD-MCMAHON (GM) REFRIGERATOR WITH MAGNETIC MATERIAL IN THE LIQUID HELIUM TEMPERATURE REGION.

Author(s) : KURIYAMA T.

Type of article: Article

Summary

THE PAPER DESCRIBES EXPERIMENTAL RESULTS OBTAINED FROM A TWO-STAGE GM REFRIGERATOR WHICH USES A RARE EARTH COMPOUND AS A 2ND REGENERATOR MATRIX INSTEAD OF A LEAD MATRIX. THE REFRIGERATION CAPACITY BELOW 10 K FOR A CONVENTIONAL TWO-STAGE GM REFRIGERATOR IS SO SMALL THAT THE LOWEST TEMPERATURE ACHIEVED IS LIMITED TO THE 8 K LEVEL. THE PURPOSE OF THE STUDY WAS TO IMPROVE THE REFRIGERATION PERFORMANCE IN THE TEMPERATURE REGION BELOW 10 K. THE REFRIGERATION LOSS MECHANISM BELOW 10 K IS ALSO DISCUSSED.

Details

  • Original title: HIGH EFFICIENT GIFFORD-MCMAHON (GM) REFRIGERATOR WITH MAGNETIC MATERIAL IN THE LIQUID HELIUM TEMPERATURE REGION.
  • Record ID : 1991-2358
  • Languages: English
  • Source: Adv. cryog. Eng. - vol. 35 B
  • Publication date: 1990
  • Document available for consultation in the library of the IIR headquarters only.

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