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A NUMERICAL MODEL FOR TURBULENT NON-EQUILIBRIUM DISPERSED FLOW HEAT TRANSFER.

Author(s) : WEBB S. W., CHEN J. C.

Type of article: Article

Summary

AN ANALYTICAL MODEL HAS BEEN DEVELOPED FOR THE PREDICTION OF TWO-PHASE TURBULENT, NON-EQUILIBRIUM, DISPERSED FLOW HEAT TRANSFER IN POST-CHF(CRITICAL HEAT FLUX) FLOW BOILING. THE THERMODYNAMIC NON-EQUILIBRIUM IS TREATED THROUGH A VAPOUR GENERATION SOURCE FUNCTION IN THE VAPOUR CONSERVATION EQUATIONS TO REPRESENT THE HEAT SINK/MASS SOURCE EFFECT OF THE DROPLET EVAPORATION. EFFECTS OF VARIOUS COMPONENTS IN THE MODEL ARE EVALUATED. A LIMITED DATA-MODEL COMPARISON SHOWS AVERAGE DEVIATIONS OF -7. 9% AND + 6.6% FOR PREDICTED VAPOUR AND WALL SUPERHEATS WITH RESPECT TO MEASURED VALUES.

Details

  • Original title: A NUMERICAL MODEL FOR TURBULENT NON-EQUILIBRIUM DISPERSED FLOW HEAT TRANSFER.
  • Record ID : 1983-0071
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 25 - n. 3
  • Publication date: 1982/03

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