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An experimental study of heat transfer characteristics of a two-phase nitrogen thermosiphon over a large dynamic range operation.

Author(s) : NAKANO A., SHIRAISHI M., NISHIO M., et al.

Type of article: Article

Summary

The thermal resistance and the maximum heat transfer rate were mainly investigated over a wide dynamic range from near the triple point to the critical point. The experimental data suggests that the nominal thermal resistance does not have pressure dependence in the high pressure and high temperature region. From the experimental result of the operating limit of the thermosiphon, it is found that the maximum heat transfer rate is governed by the interaction between the vapour flow and the returning liquid film flow along the wall in the evaporator section, even near the critical point.

Details

  • Original title: An experimental study of heat transfer characteristics of a two-phase nitrogen thermosiphon over a large dynamic range operation.
  • Record ID : 2000-1772
  • Languages: English
  • Source: Cryogenics - vol. 38 - n. 12
  • Publication date: 1998/12

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