IIR document

CO2 flow boiling heat transfer in horizontal tubes. 1. Flow regime and prediction of dryout.

Author(s) : SUN Z., GROLL E. A.

Summary

The possible flow patterns of CO2 flow boiling in horizontal tubes were studied based on analyses found in the literature. Annular flow is found to be the predominant flow pattern for normal operating conditions. The mechanisms required to sustain annular flow were examined; the occurrence of dryout is an important phenomenon in annular CO2 flow. A model to predict the onset of dryout and the location of complete dryout for CO2 flow boiling in horizontal tubes is described and evaluated. (See also this Bulletin, references 2003-2191 and 2003-2192.)

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Pages: 2002-5

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Details

  • Original title: CO2 flow boiling heat transfer in horizontal tubes. 1. Flow regime and prediction of dryout.
  • Record ID : 2003-2190
  • Languages: English
  • Publication date: 2002/09/17
  • Source: Source: Proc. 5th IIR-Gustav Lorentzen Conf. nat. Working Fluids, Guangzhou/ C. R. Conf. Guangzhou, IIF
    2002-5; sess. 1; pap. 15; 131-140; fig.; tabl.; 24 ref.