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FORCED CONVECTION FILM CONDENSATION ON A HORIZONTAL TUBE WITH AND WITHOUT NON-CONDENSING GASES.

Author(s) : LEE W. C., ROSE J. W.

Type of article: Article

Summary

HEAT TRANSFER DATA HAVE BEEN OBTAINED FOR FILMWISE CONDENSATION FROM PURE VAPOURS (STEAM AND R113) AND MIXTURES (STEAM-AIR, STEAM-HYDROGEN, R113-AIR AND R113-HYDROGEN) FLOWING VERTICALLY DOWNWARDS OVER A SINGLE HORIZONTAL TUBE. FOR PURE VAPOURS AT LOW TO MODERATE VELOCITIES, THE MEAN VAPOUR-SIDE HEAT TRANSFER COEFFICIENTS WERE IN SATISFACTORY AGREEMENT WITH EARLIER MEASUREMENTS AND WITH THEORY. AT THE HIGHER VELOCITIES OBTAINED WITH STEAM, THE COEFFICIENTS ARE SOMEWHAT SMALLER THAN THOSE PREDICTED BY THEORY. FOR ALL FOUR MIXTURES A SIMPLE BOUNDARY-LAYER THEORY-BASED APPROXIMATE EQUATION GIVES RESULTS IN EXCELLENT AGREEMENT WITH THE MEASURED MASS TRANSFER RESISTANCE.

Details

  • Original title: FORCED CONVECTION FILM CONDENSATION ON A HORIZONTAL TUBE WITH AND WITHOUT NON-CONDENSING GASES.
  • Record ID : 1985-0095
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 27 - n. 4
  • Publication date: 1984/04

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