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- Title
MIXED CONVECTION FLOW OF NON-NEWTONIAN FLUID FROM A SLOTTED VERTICAL SURFACE WITH UNIFORM SURFACE HEAT FLUX.
- Authors
Reddy Gorla, Rama Subba; Chamkha, Ali J.; Hossain, Anwar
- Abstract
In the present paper, the combined convection flow of an Ostwald-de Waele type power-law non-Newtonian fluid past a vertical slotted surface has been investigated numerically. The boundary condition of uniform surface heat flux is considered. The equations governing the flow and the heat transfer are reduced to local non-similarity form. The transformed boundary layer equations are solved numerically using implicit finite difference method. Solutions for the heat transfer rate obtained for the rigid surface compare well with those documented in the published literature. From the present analysis, it is observed that, an increase in χ leads to increase in skin friction as well as reduction in heat transfer at the surface. As the power-law index n increases, the friction factor as well as heat transfer increase.
- Subjects
HEAT convection; NON-Newtonian fluids; HEAT flux; HEAT equation; HEAT transfer; BOUNDARY value problems
- Publication
Canadian Journal of Chemical Engineering, 2009, Vol 87, Issue 4, p534
- ISSN
0008-4034
- Publication type
Article
- DOI
10.1002/cjce.20195