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Abstrakty
A boundary layer analysis is presented to study the effects of a transverse magnetic field on natural boundary layer flow of a micropolar fluid in a porous medium. Four different vertical flows have been analyzed, those adjacent to an isothermal surface and uniform heat flux surface, a plane plume and flow generated from a horizontal line energy source on a vertical adiabatic surface, or wall plume. The governing equations for momentum, angular momentum and energy have been solved numerically. Missing values of the velocity, angular velocity and thermal functions are tabulated for a wide range of the material parameters, Prandtl number and magnetic parameter of the fluid. A comparison has been made with the corresponding results for Newtonian fluids. Micropolar fluids display drag reduction and reduced surface heat transfer rate in a porous medium as compared with Newtonian fluids.
Słowa kluczowe
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Rocznik
Tom
Strony
509--528
Opis fizyczny
Bibliogr. 9 poz., tab., wykr.
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autor
- Mathematics Department, Faculty of Science, South Valley University, Aswan-EGYPT
Bibliografia
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BPZ2-0011-0027