NON-DARCY NATURAL-CONVECTION FROM A HEATED VERTICAL PLATE IN SATURATED POROUS-MEDIA WITH MASS-TRANSFER

The nonsimilar and self-similar flows for the steady natural convection have been studied under boundary layer approximations. The differential equations governing both flows have been solved numerically using an implicit finite-difference scheme developed by Keller. The results indicate that both heat transfer and velocity field are appreciably affected by the modified Grashof number and mass transfer except that the effect of the modified Grashof number on the heat transfer for large suction is very small. It is found that the maximum velocity occurs at the wall and it increases as the modified Grashof number or injection increases.