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Recherche expérimentale sur le transfert de chaleur lors de l'ébullition en vase du HFC-134a dans un tube lisse horizontal en cuivre.

Experimental research on pool boiling heat transfer of HFC-134a on a horizontal smooth copper tube.

Numéro : pap. ID: 722

Auteurs : UHÍA F. J., FERNÁNDEZ-SEARA J., BASTOS S., et al.

Résumé

Experimental research was conducted to evaluate the pool boiling heat transfer of HFC-134a on a horizontal smooth copper tube. The tested tube has 16.75/18.87 mm inner/outer diameters and an effective heat transfer length of 1.5 m. Experiments were carried out at liquid saturation temperatures of 4, 7 and 10°C and heat fluxes from 4900 W*m-2 up to 34 000 W*m-2, approximately. Boiling heat transfer coefficients (HTCs) were obtained from the experimental data and compared against the results provided by some well-known experimental correlations found in the literature. In the paper, the experimental setup and data acquisition system are described, the data reduction methodology detailed and the experimental results are presented and discussed.

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Pages : 8 p.

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Détails

  • Titre original : Experimental research on pool boiling heat transfer of HFC-134a on a horizontal smooth copper tube.
  • Identifiant de la fiche : 30002142
  • Langues : Anglais
  • Source : Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Date d'édition : 21/08/2011

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