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Analysis of a high temperature superconducting current lead under nonlinear heat transfer conditions.

Author(s) : SEKULIC D. P., UZELAC Z., EDESKUTY F. J.

Summary

The main objective of the paper is to consider the influence of the temperature dependence of the convective heat transfer coefficient on the optimal thermal design of the high temperature superconducting part of a cryogenic current lead. In a present effort the heat transfer coefficient is allowed to vary along the lead causing an additional nonlinearity in the model. Numerically obtained current lead temperature profiles and corresponding helium vapour temperature profiles were used to calculate entropy generation within the lead as a function of the relevant design parameters. It has been demonstrated that additional nonlinearities do not cause a significant change of optimal design parameters.

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Details

  • Original title: Analysis of a high temperature superconducting current lead under nonlinear heat transfer conditions.
  • Record ID : 1996-1391
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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