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Variable viscosity effect on free convection of a non- Newtonian power-law fluid over a vertical cone in a porous medium with variable heat flux
• 2011
Publication Information
Authors
Mostafa A. A. Mahmoud
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publication.type
International
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Abstract
The effect of variable viscosity on the free-convection boundary layer over a permeable vertical
cone in a porous medium saturated with non-Newtonian power-law fluid has been studied numerically. The
governing equations describing the problem are transformed into a system of nonlinear ordinary differential
equations by using a similarity transformation, which is solved numerically using the Chebyshev spectral
method. The effects of the power-law index, blowing/suction parameter and the viscosity parameter on
the temperature profiles and the local Nusselt number are discussed.
cone in a porous medium saturated with non-Newtonian power-law fluid has been studied numerically. The
governing equations describing the problem are transformed into a system of nonlinear ordinary differential
equations by using a similarity transformation, which is solved numerically using the Chebyshev spectral
method. The effects of the power-law index, blowing/suction parameter and the viscosity parameter on
the temperature profiles and the local Nusselt number are discussed.