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Experimental study of staging method for two-stage pulse tube refrigerators for liquid helium-4 temperatures.

Author(s) : WANG C., THUMMES G., HEIDEN C.

Type of article: Article

Summary

Three modified staging methods were tested in the paper. All refrigerator versions operate with the same two regenerators as already used in the first two-stage setup and also the same 6-kilowatt helium-compressor combined with a redesigned Gifford-McMahon rotary valve. The best performance is achieved with a parallel arrangement two-stage refrigerator by introducing proper negative direct-current flow and impedance tubes. Details of the design of the different refrigerators and a comparison of their performance are presented.

Details

  • Original title: Experimental study of staging method for two-stage pulse tube refrigerators for liquid helium-4 temperatures.
  • Record ID : 1998-2653
  • Languages: English
  • Source: Cryogenics - vol. 37 - n. 12
  • Publication date: 1997/12

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