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Transient heat transfer caused by a stepwise heat input to a flat plate located at the middle of a duct containing pressurized He II.

Author(s) : SHIOTSU M., TATSUMOTO H., HATA K., et al.

Summary

Transient heat transfer caused by large stepwise heat inputs to a flat plate located at the middle of an 40-mm wide and 100-mm long open rectangular duct, in a pool of He II was measured for bulk liquid temperatures from 1.8 to 2.1 K at atmospheric pressure. The channel gap of the duct was varied from 2 to 20 mm. The transient heat transfer for a stepwise heat input with the height higher than the steady-state critical heat flux is such that the quasi-steady state exists with a certain lifetime, and then rapidly changes to film boiling. The effect of the gap restriction on the lifetime was clarified.

Details

  • Original title: Transient heat transfer caused by a stepwise heat input to a flat plate located at the middle of a duct containing pressurized He II.
  • Record ID : 2005-2407
  • Languages: English
  • Source: Proceedings of the nineteenth International Cryogenic Engineering Conference. ICEC 19.
  • Publication date: 2002/07/22

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