scholarly journals Effect of variable viscosity on mixed convection boundary layer flow over a vertical surface embedded in a porous medium

2007 ◽  
Vol 34 (4) ◽  
pp. 464-473 ◽  
Author(s):  
K.E. Chin ◽  
R. Nazar ◽  
N.M. Arifin ◽  
I. Pop
Keyword(s):  
Boundary Layer ◽  
Porous Medium ◽  
Mixed Convection ◽  
Boundary Layer Flow ◽  
Variable Viscosity ◽  
Vertical Surface ◽  
Convection Boundary Layer ◽  
Convection Boundary ◽  
Layer Flow

SIMILARITY SOLUTIONS OF THE MIXED CONVECTION BOUNDARY-LAYER FLOW IN A POROUS MEDIUM

2007 ◽  
Vol 04 (04) ◽  
pp. 621-631 ◽  
Author(s):  
S. A. KHURI
Keyword(s):  
Boundary Layer ◽  
Porous Medium ◽  
Mixed Convection ◽  
Power Law ◽  
Boundary Layer Flow ◽  
Vertical Surface ◽  
Similarity Solutions ◽  
Convection Boundary Layer ◽  
Convection Boundary ◽  
Layer Flow

This paper deals with the asymptotic analysis of similarity solutions of the two-dimensional mixed convection boundary-layer flow over a vertical surface with a power law temperature. It is shown that the extended governing equations can be reduced, using a coordinate transform, to the case of the boundary-layer development of large time solutions for the unsteady mixed convection near the stagnation point on a vertical surface in a porous medium. The perturbation solutions for small and large values of the mixed convection parameter are obtained. The asymptotic behavior of the solution was examined for different values of the power law exponent parameter.

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