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EVAPORATION OF WATER INTO A LAMINAR STREAM OF AIR AND SUPERHEATED STEAM.

Author(s) : CHOW L. C., CHUNG J. N.

Type of article: Article

Summary

A NUMERICAL INVESTIGATION WAS CONDUCTED TO STUDY THE EVAPORATION OF WATER INTO A LAMINAR STREAM OF AIR, HUMID AIR AND SUPERHEATED STEAM. RESULTS WERE OBTAINED FOR VARIABLE PROPERTIES AND FOR CONSTANT PROPERTIES USING THE ONE-THIRD RULE. BELOW A CERTAIN TEMPERATURE OF THE FREE STREAM, NAMED THE INVERSION TEMPERATURE, WATER EVAPORATION DECREASES AS THE HUMIDITY OF AIR INCREASES ; ABOVE THE INVERSION TEMPERATURE, WATER EVAPORATION INCREASES AS THE HUMIDITY OF AIR INCREASES. THE CONSTANT-PROPERTY APPROXIMATION USING THE ONE-THIRD RULE YIELDS ACCURATE RESULTS FOR THE EVAPORATION RATE OF WATER EXCEPT WHEN THE FREE STREAM IS MOSTLY STEAM AT HIGH TEMPERATURE.

Details

  • Original title: EVAPORATION OF WATER INTO A LAMINAR STREAM OF AIR AND SUPERHEATED STEAM.
  • Record ID : 1983-2118
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 26 - n. 3
  • Publication date: 1983/03

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