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Unsteady MHD boundary layer flow and heat transfer of a non­newtonian fluid in the stagnation region of a two­dimensional body

Kumari, M and Pop, I and Nath, G (2007) Unsteady MHD boundary layer flow and heat transfer of a non­newtonian fluid in the stagnation region of a two­dimensional body. In: Magnetohydrodynamics, 43 (3). pp. 301-314.

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Abstract

The unsteady flow and heat transfer of a viscous incompressible electrically conducting non-Newtonian power-law fluid in the stagnation region of a two-dimensional body in the presence of a magnetic are investigated. Two situations are considered: (a) the flow is initially steady, and at t > 0 there is a step­change in the velocity of the external (potential) flow, and (b) the velocity in the potential flow is time-dependent. The governing equations have been solved numerically using an implicit finite-difference scheme. The magnetic field strongly affects the skin friction, but its effect on the heat transfer is rather weak. However, the heat transfer is strongly dependent on the Prandtl number. Both the velocity and thermal fields are strongly influenced by the nature of the non-Newtonian fluids. Tables 2, Figs 9, Refs 41.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the Institute of Physics, University of Latvia
Department/Centre: Division of Physical & Mathematical Sciences > Mathematics
Date Deposited: 16 May 2008
Last Modified: 27 Aug 2008 13:23
URI: http://eprints.iisc.ernet.in/id/eprint/14000

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