Abstract
In this study, the steady forced convection flow and heat transfer due to an impermeable stretching surface in a porous medium saturated with a nanofluid are investigated numerically. The Brinkman-Forchheimer model is used for the momentum equations (porous medium), whereas, Bongiorno’s model is used for the nanofluid. Uniform temperature and nanofluid volume fraction are assumed at the surface. The boundary layer equations are transformed to ordinary differential equations in terms of the governing parameters including Prandtl and Lewis numbers, viscosity ratio, porous medium, Brownian motion and thermophoresis parameters. Numerical results for the velocity, temperature and concentration profiles, as well as for the reduced Nusselt and Sherwood numbers are obtained and presented graphically.
Highlights
Flow in porous media has been the subject of numerous investigations during the past several decades
One of the fundamental problems in porous media is the flow and heat transfer driven by a linearly stretching surface through a porous medium. It seems that the first study of the steady flows of a viscous incompressible fluid driven by a linearly stretching surface through a quiescent fluid has been reported by Crane [7]
Elbashbeshy and Bazid [8] studied flow and heat transfer in a porous medium over a stretching surface with internal heat generation and suction/ blowing when the surface is held at a constant temperature
Summary
Flow in porous media has been the subject of numerous investigations during the past several decades.
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