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Effect of inundation upon the condensation heat transfer performance of R134a. II. Results (RP-984).

Effet de la submersion sur la performance du transfert de chaleur lors de la condensation de R134a. II. Résultats (RP-984).

Auteurs : RANDALL D. L., ECKELS S. J.

Type d'article : Article

Résumé

Results showed the three-dimensional enhanced tube had the highest condensation heat transfer coefficient of any tube tested during the course of the study. Bundle average heat transfer coefficients for the three-dimensional tube showed a steady decline with increased heat flux and the row-by-row heat transfer coefficients showed an almost linear decrease with increased row number. The performance of the two-dimensional tube showed variations with heat flux but showed less sensitivity to inundation level. The experimental results for all tubes were compared with published correlations. Experimental results for the two-dimensional tube were predicted well by the correlations, but no suitable correlation was found for the three-dimensional tube so one was developed (see this Bulletin, reference 2006-1697).

Détails

  • Titre original : Effect of inundation upon the condensation heat transfer performance of R134a. II. Results (RP-984).
  • Identifiant de la fiche : 2006-1698
  • Langues : Anglais
  • Source : HVAC&R Research - vol. 11 - n. 4
  • Date d'édition : 10/2005

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