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1 International Journal of Applied Mechanics and Engineering

1 2001

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Combined heat and mass transfer by free convection past an inclined flat plate

Anghel M., Hossain M. A., Zeb. S., Pop I.

International Journal of Applied Mechanics and Engineering

2001

Vol. 6, no 2

473-487

The steady laminar free convection boundary layer over the upper surface of a semi-infinite flat plate which is inclined at a small angle to the horizontal under the combined buoyancy effects of thermal and mass (concentration) effects is theoretically studied in this paper. Series solutions are obtained for both positive and negative inclinations of the plate, valid near the leading edge of the plate. Also, a series solution, which is valid only for positive inclinations and far downstream from the leading edge of the plate, is determined. The Keller-box scheme is then used to complete the solution in the regions where neither series is adequate using the full boundary layer equations. Results for the skin friction coefficient, the local Nusselt and Scherwood numbers are presented. Also, the variation of the separation point of the boundary layer with the Schmidt number is determined and shown on a graph.