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Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes.

Author(s) : YU J., MOMOKI S., KOYAMA S.

Type of article: Article

Summary

The experiments on flow boiling heat transfer in two horizontal smooth copper tubes are carried out with pure refrigerants HFC-134a, HCFC-123, HCFC-22, CFC-114 and CFC-12 using water-heated double-tube type test sections. For both tubes the surface roughness is measured and the surface micro-geometry is observed by scanning electron microscopy. The surface effect on flow boiling heat transfer is clarified and a correlation is proposed in consideration of the surface effect. This correlation equation agrees well with the experimental data.

Details

  • Original title: Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes.
  • Record ID : 2000-0662
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 42 - n. 10
  • Publication date: 1999/05

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