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MEASUREMENT OF SURFACE CONTACT IN TRANSITION BOILING.

Author(s) : DHUGA D. S., WINTERTON R. H. S.

Type of article: Article

Summary

A NEW METHOD OF MEASURING LIQUID-SOLID CONTACT IN BOILING IS DESCRIBED. THE HEAT TRANSFER SURFACE IS COATED WITH A THIN, ELECTRICALLY-INSULATING LAYER AND THE IMPEDANCE BETWEEN THE METAL SUBSTRATE AND THE BOILING LIQUID IS MEASURED. IT IS SHOWN THEORETICALLY, AND CONFIRMED EXPERIMENTALLY, THAT THIS IMPEDANCE IS RELATED TO THE AVERAGE FRACTION OF THE HEAT TRANSFER AREA THAT IS WETTED BY THE LIQUID. THE TECHNIQUE IS APPLIED, TOGETHER WITH MEASUREMENT OF THE BOILING CURVE, TO POOL BOILING OF WATER AND METHANOL.

Details

  • Original title: MEASUREMENT OF SURFACE CONTACT IN TRANSITION BOILING.
  • Record ID : 1986-1838
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 28 - n. 10
  • Publication date: 1985

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