Entropy analysis for viscoelastic magnetohydrodynamic flow over a stretching surface |
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| Authors: | Soraya Aïboud |
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| Institution: | a Department of Mechanical Engineering, Faculty of Sciences and Technology and Matter's Sciences, University Kasdi Merbah, P.O. 511, Ouargla 30 000, Algeria
b Department of Processes Engineering, Faculty of Sciences and Technology and Matter's Sciences, University Kasdi Merbah, P.O. 511, Ouargla 30 000, Algeria |
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| Abstract: | This paper presents the application of the second law analysis of thermodynamics to viscoelastic magnetohydrodynamic flow over a stretching surface. The velocity and temperature profiles are obtained analytically using the Kummer's functions and used to compute the entropy generation number. The effects of the magnetic parameter, the Prandtl number, the heat source/heat sink parameter and the surface temperature parameter on velocity and temperature profiles are presented. The influences of the same parameters, the Hartmann number, the dimensionless group parameter and the Reynolds number on the entropy generation are also discussed. |
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| Keywords: | Entropy analysis Magnetohydrodynamic Stretching surface Viscoelastic |
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