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Development of a two-stage GM type pulse tube refrigerator for the current lead system.

Author(s) : MAEKAWA R., MATSUBARA Y., TAKAMI S., et al.

Summary

A two-stage Gifford-McMahon (GM) type pulse tube refrigerator has been developed to apply for the current lead system of the superconducting magnetic energy storage. The first-stage is responsible to intercept the heat conducted through a copper lead and to extract the Joule heating, whereas the second-stage is expected to intercept the heat leak from a high temperature superconductor current-lead to the superconducting magnet. The design study of the system has been conducted, utilizing a numerical model. The cooling power requirement for the second-stage pulse tube refrigerator is approximately 1 W at 20 K.

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Pages: 2006-3/ICEC III-C3

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Details

  • Original title: Development of a two-stage GM type pulse tube refrigerator for the current lead system.
  • Record ID : 2008-1036
  • Languages: English
  • Source: Multiconference CryoPrague 2006 (9th Cryogenics 2006, ICEC 21, ICMC'06)
  • Publication date: 2006/07/17

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