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LATENT HEAT TRANSPORT IN FORCED BOILING FLOW.

Author(s) : BILICKI Z.

Type of article: Article

Summary

THIS PAPER PRESENTS MODELS DESCRIBING THE MECHANISMS OF HEAT TRANSFER FOR NUCLEATE FORCED BOILING AND FOR BOILING IN THE FLUID CORE, IE WITHOUT NUCLEATION AT THE HEAT EXCHANGE SURFACE. THE MODELS RESULT FROM EXPERIMENTAL STUDIES OF THE HYSTERESIS EFFECT OF HEAT TRANSFER. THE AUTHOR'S DATA SUPPORT THE HYPOTHESIS THAT THE INCREASE IN THE HEAT TRANSFER COEFFICIENT FROM THE WALL TO THE FLUID IS ESSENTIALLY DUE TO VAPOUR BUBBLES ACTING AS THERMAL SINKS WITHIN THE THERMAL BOUNDARY SUBLAYER. THE ABOVE CONCLUSION DOES NOT AGREE WITH THE VIEW THAT BUBBLES FORMED WITHIN THE THIN LIQUID FILM FOR BUBBLE OR SLUG FLOW REGIMES AFFECT THE FORCED CONVECTION MECHANISM, WHICH IS IN THE MAIN THE ONLY CAUSE OF HEAT TRANSPORT INTENSIFICATION.

Details

  • Original title: LATENT HEAT TRANSPORT IN FORCED BOILING FLOW.
  • Record ID : 1984-1380
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 26 - n. 4
  • Publication date: 1983/04

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