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CRITICAL HEAT FLUX (CHF) ENHANCEMENT IN FLOWING FLUOROCARBON LIQUID FILMS USING STRUCTURED SURFACES AND FLOW DEFLECTORS.

Author(s) : GRIMLEY T. A., MUDAWWAR I., INCROPERA F. P.

Type of article: Article

Summary

BOILING EXPERIMENTS WERE PERFORMED WITH A FLUOROCARBON (FC72) LIQUID FILM FALLING OVER A VERTICAL HEATED SURFACE. SEVERE BOILING SEPARATED MOST OF THE FILM FROM THE SURFACE, LEAVING A THIN SUBFILM, AND CHF WAS ASSOCIATED WITH DRYOUT OF THE SUBFILM. SURFACES WITH MICROFIN AUGMENTATION ENHANCED CHF WITH RESPECT TO SMOOTH OR MICROSTUD SURFACES. A LOUVERED PLATE MOUNTED PARALLEL TO THE HEATED SURFACE ALSO INCREASED CHF BY DEFLECTING THE SEPARATED LIQUID BACK TO THE HEATED SURFACE AND DELAYING SUBFILM DRYOUT.

Details

  • Original title: CRITICAL HEAT FLUX (CHF) ENHANCEMENT IN FLOWING FLUOROCARBON LIQUID FILMS USING STRUCTURED SURFACES AND FLOW DEFLECTORS.
  • Record ID : 1988-2239
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 31 - n. 1
  • Publication date: 1988

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