Unsteady heat and mass transfer in MHD flow over an oscillatory stretching surface with Soret and Dufour effects |
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Authors: | Lian-Cun Zheng Xin Jin Xin-Xin Zhang Jun-Hong Zhang |
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Affiliation: | 1. School of Mathematics and Physics, University of Science and Technology Beijing, 100083, Beijing, China 2. School of Mechanical Engineering, University of Science and Technology Beijing, 100083, Beijing, China 3. Naval University of Engineering, 430033, Wuhan, China
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Abstract: | In this paper, we study the unsteady coupled heat and mass transfer of two-dimensional MHD fluid over a moving oscillatory stretching surface with Soret and Dufour effects. Viscous dissipation effects are adopted in the energy equation. A uniform magnetic field is applied vertically to the flow direction. The governing equations are reduced to non-linear coupled partial differential equations and solved by means of homotopy analysis method (HAM). The effects of some physical parameters such as magnetic parameter, Dufour number, Soret number, the Prandtl number and the ratio of the oscillation frequency of the sheet to its stretching rate on the flow and heat transfer characteristics are illustrated and analyzed. |
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Keywords: | Viscous conducted fluid Magnetic field Os- cillatory stretching surface Heat and mass transfer HAM solution |
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