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Etude expérimentale sur l'effet de surface sur le transfert de chaleur lors de l'ébullition dans des tubes lisses horizontaux.

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

Auteurs : YU J., MOMOKI S., KOYAMA S.

Type d'article : Article

Résumé

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.

Détails

  • Titre original : Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes.
  • Identifiant de la fiche : 2000-0662
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 42 - n. 10
  • Date d'édition : 05/1999

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