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Dr. Gamal mohamed abdelrahman elsayed :: Publications:

Title:
Magnetohydrodynamic effects on heat transfer and thermal radiation at a general three-dimensional stagnation point flow in a nanofluid through a porous medium. Wulfenia J., Vol. 22, No. 2 (2015), pp. 23-35.
Authors: Gamal M. Abdel-Rahman and Dr.faiza M. N. El-fayez
Year: 2015
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
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Local/International: International
Paper Link: Not Available
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Abstract:

In this paper, the magnetohydrodynamic effects on heat transfer and thermal radiation at a stagnation point flowing in a nanofluid containing different types of nanoparticles namely, copper (Cu ), alumina ( Al2o3 ) and titania (Tio2 ) through a porous medium have been investigated numerically. By using appropriate transformation for velocity and temperature into a set of nonlinear coupled ordinary differential equations which are solved numerically. Numerical results are presented for velocity and temperature profiles for different parameters of the problem as magnetic field parameter, porous medium parameter, nanoparticle volume fraction parameter, thermal radiation parameter, nanoparticle parameter and the ratio of the gradient of velocities parameter , etc. Also the effects of the pertinent parameters on the skin friction and the heat fluxes are obtained and discussed numerically and illustrated graphically.

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