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Unsteady Free Convection Flow near the Stagnation Point of a Three-dimensional Body

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Author(s): M.A. Admon | S. Shafie | I. Pop

Journal: Journal of Applied Sciences
ISSN 1812-5654

Volume: 11;
Issue: 7;
Start page: 1441;
Date: 2011;
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Keywords: numerical results | Stagnation-point | three-dimensional | boundary layer

ABSTRACT
This study deals with the study of unsteady free convection in the stagnation point region of a three-dimensional body placed in an ambient fluid under the assumption of a step change in the surface temperature of the body. The non-linear coupled partial differential equations governing the free convection flow are solved numerically using an implicit finite-difference method for different values of the governing parameters entering these equations. Results for the flow and heat characteristics show that the transition from the initial unsteady-state flow to the final steady-state flow takes place smoothly.
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