Buoyancy-Induced MHD Stagnation Point Flow of Williamson Fluid with Thermal Radiation
J. O. Ouru, W. N. Mutuku, A. S. Oke
Journal of Engineering Research and Reports · pp. 9–18 · Published 31 Mar 2020
10.9734/jerr/2020/v11i417065Abstract
Flow of fluids subjected to thermal radiation has enormous application in polymer processing, glass blowing, cooling of nuclear reactant and harvesting solar energy. This paper considers the MHD stagnation point flow of non-Newtonian pseudoplastic Williamson fluid induced by buoyancy in the presence of thermal radiation. A system of nonlinear partial differential equations suitable to describe the MHD stagnation point flow of Williamson fluid over a stretching sheet is formulated and then transformed using similarity variables to boundary value ordinary differential equations. The graphs depicting the effect of thermal radiation parameter, buoyancy and electromagnetic force on the fluid velocity and temperature of the stagnation point flow are given and the results revealed that increase in buoyancy leads to an increase in the overall velocity of the flow but a decrease in the temperature of the flow.
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