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Reduction of surface heat pumping effect in split-Stirling cryocoolers.

Author(s) : BENSCHOP A. A. J., VERBEEK D.

Summary

Many applications of Stirling cryocoolers require space-separation of oscillator and cold finger. Commonly a split-pipe with a small volume is used to accomplish this spatial separation. The separated mounting may be necessary for purposes of positioning or remote removal of abundant compressor heat. Based on experiences obtained in the modelling of pulse-tube cryocoolers, a patent-pending solution is proposed to reduce the heat-flow through the split pipe by establishing a critical temperature gradient over the pipe. Experimental verification of the concept is given in measurements performed on Signaal-USFA 80 K, 0.5-watt and 1-watt linear coolers.

Details

  • Original title: Reduction of surface heat pumping effect in split-Stirling cryocoolers.
  • Record ID : 1998-0009
  • Languages: English
  • Source: DKV-Tagungsbericht 23. 1996 Leipzig.
  • Publication date: 1996/11/20
  • Document available for consultation in the library of the IIR headquarters only.

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