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Rationalization of existing mechanistic models for the prediction of water subcooled flow boiling critical heat flux.

Author(s) : CELATA G. P., CUMO M., MARIANI A., SIMONCINI M., ZUMMO G.

Type of article: Article

Summary

The paper presents an analysis of the critical heat flux of subcooled flow boiling based on the liquid sublayer dryout mechanism, ie, the dryout of a thin liquid layer beneath an intermittent vapour blanket due to the coalescence of small bubbles. A new model was derived for analysis under conditions of very high mass flux and liquid subcooling. The model is characterized by the absence of empirical constants. It was tested on a wide data set of 1888 data points. A comparison with experimental data showed good agreement in precision.

Details

  • Original title: Rationalization of existing mechanistic models for the prediction of water subcooled flow boiling critical heat flux.
  • Record ID : 1995-0106
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 37
  • Publication date: 1994/03

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