Transfert de masse et de chaleur par convection mixte le long d'une surface verticale ondulée.
Mixed convection heat and mass transfer along a vertical wavy surface.
Auteurs : JANG J. H., YAN W. M.
Type d'article : Article
Résumé
A numerical study of mixed convection heat and mass transfer along a vertical wavy surface was carried out numerically. The wavy surface was maintained at uniform wall temperature and constant wall concentration that is higher than that of the ambient. A simple coordinate transformation was employed to transform the complex wavy surface to a flat plate. A marching finite-difference scheme was used for the analysis. The buoyancy ratio N, amplitude-wavelength ratio, and Richardson number (Gr/Re2) are important parameters for this problem. The numerical results, including the developments of skin-friction coefficient, velocity, temperature, concentration, Nusselt number as well as Sherwood number along the wavy surface were presented. The effects of the buoyancy ratio N and the dimensionless amplitude of wavy surface on the local Nusselt number and the local Sherwood number were examined in detail.
Détails
- Titre original : Mixed convection heat and mass transfer along a vertical wavy surface.
- Identifiant de la fiche : 2004-1632
- Langues : Anglais
- Source : International Journal of Heat and Mass Transfer - vol. 47 - n. 3
- Date d'édition : 01/2004
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