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SUBCOOLED FLOW BOILING AT HIGH HEAT FLUX.

Author(s) : VALLE V. H. del, KENNING D. B. R.

Type of article: Article

Summary

IN AN EXPERIMENTAL INVESTIGATION OF SUBCOOLED FLOW NUCLEATE BOILING OF WATER AT ATMOSPHERIC PRESSURE ON STAINLESS STEEL IT WAS FOUND THAT THE HEAT TRANSFER COEFFICIENT INCREASED WITH INCREASING SUBCOOLING AND WITH INCREASING WALL THICKNESS OVER THE RANGE 0.08-0.20 MM. THE OBSERVATIONS WERE CONSISTENT WITH A MODEL FOR HEAT TRANSFER PRIMARILY BY SURFACE QUENCHING AT THE BUBBLE FREQUENCY, SUPPLEMENTED BY SINGLE-PHASE CONVECTION. ALTHOUGH THE TOTAL POPULATION OF NUCLEATION SITES INCREASED WITH INCREASING WALL SUPERHEAT, THE STARTUP OF NEW SITES DEACTIVATED MANY OF THE SITES ACTIVE AT LOWER SUPERHEAT.

Details

  • Original title: SUBCOOLED FLOW BOILING AT HIGH HEAT FLUX.
  • Record ID : 1986-1837
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 28 - n. 10
  • Publication date: 1985

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