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Intensification du transfert de chaleur lors de l'ébullition libre du propane sur des tubes isolés horizontaux.

Intensification of heat transfer at propane pool boiling on single horizontal tubes.

Auteurs : VASILIEV L. L., KHROLENOK V. V., ZHURAVLYOV A. S.

Type d'article : Article

Résumé

A set of experiments was carried out with propane pool boiling on the smooth and porous surfaces of horizontal tubes in different saturation pressure ranges, temperature intervals -10 to +40 °C, and heat flux ranges 100 to 100,000 watt/m2. Three modes of heat transfer were determined: free convection, a transitional mode and developed boiling. Remarkable heat transfer enhancement of up to 2.5-3 times was observed for propane pool boiling or porous horizontal tubes, in comparison with that on smooth and small roughness tubes over the heat flux intervals tested.

Détails

  • Titre original : Intensification of heat transfer at propane pool boiling on single horizontal tubes.
  • Identifiant de la fiche : 2000-0658
  • Langues : Anglais
  • Source : Rev. gén. Therm. - vol. 37 - n. 11
  • Date d'édition : 12/1998

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