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The effects of the number and angle of microgrooves on the liquid film in horizontal annular two-phase flow.

Author(s) : SHEDD T. A., NEWELL T. A., LEE P. K.

Type of article: Article

Summary

Measurements of the liquid film profile and pressure drop were made in tubes with grooves of varying angle (0°, 9° and 18°) as well as tubes with varying numbers of grooves at a common angle (18°). These data indicate that the grooves act to redistribute the liquid film on the inner wall perimeter and that only a relatively small number of grooves (12) is needed to do this. The grooves also affect the stability of the vapor-liquid interface and can generate lower average liquid film thickness. The pressure loss is directly related to the number of grooves for the tubes studied.

Details

  • Original title: The effects of the number and angle of microgrooves on the liquid film in horizontal annular two-phase flow.
  • Record ID : 2004-1639
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 46 - n. 22
  • Publication date: 2003/10

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