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Development of superconductors for the helical coils of large helical device (LHD).

[In Japanese. / En japonais.]

Author(s) : YANAGI N., IWAMOTO A.

Type of article: Article

Summary

Composite-type superconductors with niobium-titanium/copper compacted strands and aluminum/copper stabilizers have been developed for use in the pool-cooled helical coils of the LHD. Topics related to the development, fabrication, short sample tests and soldered lap joint of these superconductors are summarized. Evaluation of alternating-current loss has been made based on two measurement techniques. Heat transfer coefficients from the conductor surface to liquid helium have also been measured for the purpose of stability analysis.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1999-0031
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 32 - n. 11
  • Publication date: 1997
  • Document available for consultation in the library of the IIR headquarters only.

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