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Computational Thermal Sciences: An International Journal
ESCI SJR: 0.249 SNIP: 0.434 CiteScore™: 0.7

ISSN Imprimer: 1940-2503
ISSN En ligne: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/.2014011207
pages 273-283

VISCOSITY AND FLUID SUCTION/INJECTION EFFECTS ON FREE CONVECTION FLOW FROM A VERTICAL PLATE IN A POROUS MEDIUM SATURATED WITH A PSEUDOPLASTIC FLUID

Driss Achemlal
University of Sidi Mohammed Ben Abdellah, Polydisciplinary Faculty of Taza
M. Sriti
University of Sidi Mohamed Ben Abdellah, Polydisciplinary Faculty of Taza, LSI, Team of Numerical Modeling in Mechanics Applied (MNMA), BP.1223, Taza, Morocco
M. El Haroui
University of Sidi Mohamed Ben Abdellah, Polydisciplinary Faculty of Taza, LIMAO, BP 1223, Taza, Morocco

RÉSUMÉ

This paper investigates the effects of the fluid viscosity, the fluid suction/injection, and the power law fluid index on the free convection flow from a heated vertical plate in a porous medium saturated with a pseudoplastic fluid in the presence of internal heat generation. The problem is studied for power law fluid exponents between 0 and 1. The governing equations are transformed into an autonomous third-order nonlinear degenerate ordinary differential equation by means of similarity transformations. This equation is then solved numerically by the fifth-order Runge-Kutta scheme associated with the shooting iteration technique. Also, the effects of the governing physical parameters on the velocity and temperature, the local Nusselt number, and the local skin-friction profiles have been computed and studied with the help of graphs.


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