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Prof. Mostafa Abdel Hameed Ahmed Mahmoud :: Publications:

Title:
Non-uniform heat generation effects on heat transfer of a non-Newtonian Power-law fluid over a non-linearly stretching sheet
Authors: Mostafa A.A. Mahmoud and Ahmed M. Megahed
Year: 2012
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Mostafa Abdel Hameed Ahmed Mahmoud_Non-uniform heat generation effect on heat transfer.pdf
Supplementary materials Not Available
Abstract:

The effects of non-uniform heat generation/ absorption and viscous dissipation on heat transfer of a non-Newtonian power-law fluid on a nonlinearly stretching surface have been examined. The governing nonlinear partial differential equations describing the problem are transformed to a system of non-linear ordinary differential equations by using suitable similarity transformation. The transformed system of ordinary differential equations is solved numerically using fourth order Runge-Kutta method with the shooting technique. Graphical solutions for the dimensionless temperature are presented and discussed for various values of the power-law index parameter, the Prandtl number, the heat generation/absorption parameter and the Eckert number. The results show that the local Nusselt number is reduced with increasing the Eckert number or the heat generation parameter, whereas the heat absorption parameter has the effect of enhancing the local Nusselt number.

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