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Dr. Abeer Shaban Mahmoud Elfeshawey :: Publications:

Title:
Thermocapillarity Effect on MHD Flow for a Liquid Thin Film with Variable Fluid Properties Over an Unsteady Stretching Sheet
Authors: Reda G. Abdel-Rahman and Abeer S. Elfeshawey
Year: 2016
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 Not Available
Supplementary materials Not Available
Abstract:

The influences of the thermocapillarity, thermal radiation and heat generation/absorption on an unsteady laminar flow of a MHD variable fluid proper ties thin liquid film over an unsteady stretching surface are analyzed. Two cases are studied, namely (i) the sheet with prescribed surface temperature (PST case ) and (ii) the sheet with prescribed wall heat flux (PHF case). The reduced system of ordinary differential equations with the boundary conditions is solved numerically using the fourth order Runge-Kutta algorithm scheme with the shooting technique. The effects of various parameters on the local skin-friction coefficient, the local Nusselt and the dimensionless film thickness are given in graphics form and discussed. The results show that the local skin-friction coefficient increases with increasing the magnetic, variable viscosity, heat generation parameters for two PST and PHF cases.

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