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Variable thermal conductivity effect on MHD free-convection flowover a vertical full cone in a non-Newtonian saturated porous medium
• 2009
Publication Information
Authors
Mostafa A. A. Mahmoud and Ahmed M. Megahed
Keywords
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publication.type
International
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Abstract
The effect of variable thermal conductivity on free-convection boundary
layer of an electrically conducting non-Newtonian power law fluid over a nonisothermal
vertical full cone in a saturated porous medium in the presence of a magnetic
field applied normal to the cone surface has been studied. The transformed
nonlinear ordinary differential equations are solved numerically using the fourthorder
Runge-Kutta method coupled with the shooting method. The effects of the
power law index, the magnetic parameter and the thermal conductivity parameter
on the temperature profiles as well as on the local Nusselt number are presented
and discussed.
layer of an electrically conducting non-Newtonian power law fluid over a nonisothermal
vertical full cone in a saturated porous medium in the presence of a magnetic
field applied normal to the cone surface has been studied. The transformed
nonlinear ordinary differential equations are solved numerically using the fourthorder
Runge-Kutta method coupled with the shooting method. The effects of the
power law index, the magnetic parameter and the thermal conductivity parameter
on the temperature profiles as well as on the local Nusselt number are presented
and discussed.