Unsteady Incompressible Three-Dimensional Asymmetric Stagnation-Point Boundary Layers

[+] Author and Article Information
M. Kumari, G. Nath

Department of Applied Mathematics, Indian Institute of Science, Bangalore-560012, India

J. Appl. Mech 47(2), 241-246 (Jun 01, 1980) (6 pages) doi:10.1115/1.3153649 History: Received March 01, 1979; Revised November 01, 1979; Online July 21, 2009


The unsteady laminar incompressible boundary-layer flow near the three-dimensional asymmetric stagnation point has been studied under the assumptions that the free-stream velocity, wall temperature, and surface mass transfer vary arbitrarily with time. The partial differential equations governing the flow have been solved numerically using an implicit finite-difference scheme. It is found that in contrast with the symmetric flow, the maximum heat transfer occurs away from the stagnation point due to the decrease in the boundary-layer thickness. The effect of the variation of the wall temperature with time on heat transfer is strong. The skin friction and heat transfer due to asymmetric flow only are comparatively less affected by the mass transfer as compared to those of symmetric flow.

Copyright © 1980 by ASME
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