Mixed and Free Convection Over a Rotating Sphere With Blowing and Suction

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Abstract
An analysis is performed to study the flow and heat transfer characteristics for the case of laminar mixed convection and pure free convection about a rotating permeable sphere. The transformed conservation equations of the nonsimilar boundary layers are solved by an efficient finite difference method. It is found from the numerical results that both the local friction factor and the local Nusselt number increase with increasing rotation parameter and buoyancy force for aiding flow. The agreement of solutions obtained by the present method with others is found to be good.

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