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Analytical study of critical heat flux in two-phase thermosiphons (relationship between maximum falling liquid rate and critical heat flux).

Author(s) : MONDE M., MITSUTAKE Y., KURIHARA A., MIHARA S.

Type of article: Article

Summary

The critical heat flux point on the thermosiphon is proved to correspond to a maximum falling liquid rate fed to the thermosiphon, which can be determined from three equations of momentum, its partial derivative with void fraction, and mass balance in the thermosiphon. Furthermore, this maximum point becomes identical to the point at which an envelope line generated from momentum equation and its partial derivative intersects the mass balance line. Normal operation of the thermosiphon cannot be obtained at any liquid of water, R113 and R22 for a small tube diameter of less than 2 mm within a wide range of L/D and density ratio.

Details

  • Original title: Analytical study of critical heat flux in two-phase thermosiphons (relationship between maximum falling liquid rate and critical heat flux).
  • Record ID : 1998-2219
  • Languages: English
  • Source: JSME int. J., B - vol. 39 - n. 4
  • Publication date: 1996/11
  • Document available for consultation in the library of the IIR headquarters only.

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