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STABILITY OF COMPOSITE TAPE SUPERCONDUCTORS AGAINST TRANSIENT THERMAL DISTURBANCES.

Author(s) : OGASAWARA T.

Type of article: Article

Summary

THE TAPE CONDUCTOR COMPOSED OF NIOBIUM-TIN AND COPPER CAN CARRY AN OVERALL CURRENT DENSITY IN EXCESS OF 300 A/MM2 IN A MAGNETIC FIELD OF 10 T. THE INFLUENCE OF TRANSIENT THERMAL DISTURBANCES ON ITS STABILITY HAS BEEN THEORETICALLY ANA TWO DISTINCT PROCESSES CHARACTERIZE THE RECOVERY OF A TRANSIENT TEMPERATURE RISE. ONE IS THE COOL-DOWN OF COPPER DUE TO HEAT TRANSFER TO THE COOLANT AND THE OTHER IS CONTROLLED BY THERMAL DIFFUSION IN NIOBIUM-TIN. THESE 2 PROCESSES LEAD TO THE CONDITIONS REQUIRED FOR STABILITY PROVIDED THAT DISTURBANCES ARE OF A TRANSIENT DISTRIBUTED NATURE. THESE CONDITIONS ARE EQUIVALENT TO A SINGLE CRITERION OF THE MAGNETIC STABILITY.

Details

  • Original title: STABILITY OF COMPOSITE TAPE SUPERCONDUCTORS AGAINST TRANSIENT THERMAL DISTURBANCES.
  • Record ID : 1990-0959
  • Languages: English
  • Source: Cryogenics - vol. 29 - n. 8,1989.08
  • Publication date: 1989

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