Effect of slip velocity on Casson thin film flow and heat transfer due to unsteady stretching sheet in presence of variable heat flux and viscous dissipation

doi:10.1007/s10483-015-1983-9

Applied Mathematics and Mechanics (English Edition) ›› 2015, Vol. 36 ›› Issue (10): 1273-1284.doi: https://doi.org/10.1007/s10483-015-1983-9

Effect of slip velocity on Casson thin film flow and heat transfer due to unsteady stretching sheet in presence of variable heat flux and viscous dissipation

A. M. MEGAHED

Department of Mathematics, Faculty of Science, Benha University, Benha 13518, Egypt

收稿日期:2014-09-03 修回日期:2015-04-25 出版日期:2015-10-01 发布日期:2015-10-01
通讯作者: A. M. MEGAHED E-mail:ah?mg?sh@yahoo.com

Effect of slip velocity on Casson thin film flow and heat transfer due to unsteady stretching sheet in presence of variable heat flux and viscous dissipation

A. M. MEGAHED

Department of Mathematics, Faculty of Science, Benha University, Benha 13518, Egypt

Received:2014-09-03 Revised:2015-04-25 Online:2015-10-01 Published:2015-10-01
Contact: A. M. MEGAHED E-mail:ah?mg?sh@yahoo.com

摘要/Abstract

摘要：

The aim of the present paper is to study flow and heat transfer characteristics of a viscous Casson thin film flow over an unsteady stretching sheet subject to variable heat flux in the presence of slip velocity condition and viscous dissipation. The governing equations are partial differential equations. They are reduced to a set of highly nonlinear ordinary differential equations by suitable similarity transformations. The resulting similarity equations are solved numerically with a shooting method. Comparisons with previous works are made, and the results are found to be in excellent agreement. In the present work, the effects of the unsteadiness parameter, the Casson parameter, the Eckert number, the slip velocity parameter, and the Prandtl number on flow and heat transfer characteristics are discussed. Also, the local skin-friction coefficient and the local Nusselt number at the stretching sheet are computed and discussed.

关键词: viscous dissipation, Casson thin film, unsteady stretching sheet, slip effect, numerical solution, variable heat flux

Abstract:

Key words: slip effect, Casson thin film, numerical solution, variable heat flux, unsteady stretching sheet, viscous dissipation

中图分类号:

O361.3

A. M. MEGAHED. Effect of slip velocity on Casson thin film flow and heat transfer due to unsteady stretching sheet in presence of variable heat flux and viscous dissipation[J]. Applied Mathematics and Mechanics (English Edition), 2015, 36(10): 1273-1284.

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Effect of slip velocity on Casson thin film flow and heat transfer due to unsteady stretching sheet in presence of variable heat flux and viscous dissipation

Effect of slip velocity on Casson thin film flow and heat transfer due to unsteady stretching sheet in presence of variable heat flux and viscous dissipation

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