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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

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Abstract

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 previously 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.

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Authors and Affiliations

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

    A. M. Megahed

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  1. A. M. Megahed
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Correspondence to A. M. Megahed.

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Megahed, A.M. 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. Appl. Math. Mech.-Engl. Ed. 36, 1273–1284 (2015). https://doi.org/10.1007/s10483-015-1983-9

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  • DOI: https://doi.org/10.1007/s10483-015-1983-9

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2010 Mathematics Subject Classification

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