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Heat transfer study for HTS power transfer cables.

Author(s) : AUGUSTYNOWICZ S., FESMIRE J.

Summary

Thermal losses are a key factor in the successful application of high temperature superconducting (HTS) power cables. Existing concepts and prototypes rely on the use of multilayer insulation (MLI) systems that are subject to large variations in actual performance. The small space available for the thermal insulation materials makes the application even more difficult because of bending considerations, mechanical loading, and the arrangement between the inner and outer piping. Each of these mechanical variables affects the heat leak rate. The paper gives experimental data for the comparison of ideal MLI, MLI on rigid piping, and MLI between flexible piping. A section of insulated flexible piping was tested under cryogenic vacuum conditions including simulated bending and spacers.

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Pages: 2002-1

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Details

  • Original title: Heat transfer study for HTS power transfer cables.
  • Record ID : 2003-2694
  • Languages: English
  • Source: Cryogenics 2002. Proceedings of the 7th Cryogenics Conference
  • Publication date: 2002/04/23

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