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HEAT TRANSFER AND FLOW MODES OF PHASES IN LAMINAR FILM VAPOUR CONDENSATION INSIDE A HORIZONTAL TUBE.

Author(s) : RIFERT V. G.

Type of article: Article

Summary

BY USING THE GRADIENT METHOD FOR HEAT TRANSFER INVESTIGATION, LOCAL HEAT TRANSFER COEFFICIENTS ARE DETERMINED FOR LAMINAR FILM VAPOUR CONDENSATION INSIDE A HORIZONTAL TUBE. THE OCCURRENCE OF A PRONOUNCED ASYMMETRY IN THE LOCAL HEAT TRANSFER COEFFICIENTS AROUND THE TUBE PERIMETER IS NOTED, THE DECREASE OF WHICH IS PROMOTED BY AN INCREASE IN VAPOUR VELOCITY AND LOCAL HEAT FLUX. THE FLOW MODES OF PHASES IN THE CASE OF INCOMPLETE VAPOUR CONDENSATION ARE IDENTIFIED ; THE NEED TO TAKE INTO ACCOUNT THE CONDENSATE FILM THICKNESS AND THE TRANSVERSE MASS FLUX EFFECT WHEN CONSTRUCTING THE MAP OF THE MODES IS NOTED. A CORRELATION IS SUGGESTED.

Details

  • Original title: HEAT TRANSFER AND FLOW MODES OF PHASES IN LAMINAR FILM VAPOUR CONDENSATION INSIDE A HORIZONTAL TUBE.
  • Record ID : 1988-2241
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 31 - n. 3
  • Publication date: 1988

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