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Prof. Mostafa Abdel Hameed Ahmed Mahmoud :: Publications: |
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| Title: | Similarity analysis for effects of variable diffusivity and heat generation/absorbation on heat and mass transfer for a MHD stagnation - point flow of a convective viscoelastic fluid over a stretching sheet with a slip velocity |
| Authors: | H. M. El-Hawary, Mostafa A. A. Mahmoud, Reda G. Abdel-Rahman, and Abeer S. Elfeshawey |
| Year: | 2013 |
| 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_Similarity Analysis for Effects of Variable Diffusivity and Heat.pdf |
| Supplementary materials | Not Available |
| Abstract: |
A mathematical analysis has been carried out for stagnation-point heat and mass transfer of a viscoelastic fluid over a stretching sheet with surface slip velocity, concentration dependent diffusivity, thermal convective boundary conditions, and heat source/sink. The governing partial differential equations are reduced to a system of nonlinear ordinary differential equations using Lie group analysis. Numerical solutions of the resulting ordinary differential equations are obtained using shooting method. The influences of various parameters on velocity, temperature, and mass profiles have been studied. Also, the effects of various parameters on the local skin-friction coefficient, the local Nusselt number, and the local Sherwood number are given in graphics form and discussed. |
