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Complete transient two-dimensional analysis of two-phase closed thermosiphons including the falling condensate film.

Author(s) : HARLEY C., FAGHRI A.

Type of article: Article

Summary

A transient two-dimensional thermosiphon model is presented that accounts for conjugate heat transfer through the wall and the falling condensate film. The complete transient two-dimensional conservation equations are solved for the vapour flow and pipe wall, and the liquid film is modeled using a quasi-steady Nusselt-type solution. The model is verified by comparison with existing experimental data for a low-temperature thermosiphon with good agreement. A typical high-temperature thermosiphon was then simulated to examine the effects of vapor compressibility and conjugate heat transfer.

Details

  • Original title: Complete transient two-dimensional analysis of two-phase closed thermosiphons including the falling condensate film.
  • Record ID : 1995-0848
  • Languages: English
  • Source: J. Heat Transf. - vol. 116 - n. 2
  • Publication date: 1994/05
  • Document available for consultation in the library of the IIR headquarters only.

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