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Transfert de chaleur à convection mixte dans la zone d'entrée des espaces annulaires horizontaux.

Mixed convection heat transfer in the entrance region of horizontal annuli.

Auteurs : ISLAM N., GAITONDE U. N., SHARMA G. K.

Type d'article : Article

Résumé

The present study deals with a numerical investigation of steady laminar mixed convection heat transfer in a horizontal concentric annulus using air and water as the working fluid. Special attention has been paid to the entrance region effect. The thermal boundary condition chosen is that of uniform heat flux at the inner wall and an adiabatic outer wall. The investigations reveal that the Nusselt numbers for air are considerably greater than the corresponding values for fully developed mixed convection values over a significant portion of the annular duct.

Détails

  • Titre original : Mixed convection heat transfer in the entrance region of horizontal annuli.
  • Identifiant de la fiche : 2002-1274
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 44 - n. 11
  • Date d'édition : 06/2001

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