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Unsteady heat and mass transfer in MHD flow over an oscillatory stretching surface with Soret and Dufour effects

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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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Authors and Affiliations

  1. School of Mathematics and Physics, University of Science and Technology Beijing, 100083, Beijing, China

    Lian-Cun Zheng & Xin Jin

  2. School of Mechanical Engineering, University of Science and Technology Beijing, 100083, Beijing, China

    Xin-Xin Zhang

  3. Naval University of Engineering, 430033, Wuhan, China

    Jun-Hong Zhang

Authors
  1. Lian-Cun Zheng
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  2. Xin Jin
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  3. Xin-Xin Zhang
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  4. Jun-Hong Zhang
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Corresponding author

Correspondence to Lian-Cun Zheng.

Additional information

The project was supported by the National Natural Science Foundations of China (51076012 and 51276014).

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Zheng, LC., Jin, X., Zhang, XX. et al. Unsteady heat and mass transfer in MHD flow over an oscillatory stretching surface with Soret and Dufour effects. Acta Mech Sin 29, 667–675 (2013). https://doi.org/10.1007/s10409-013-0066-6

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  • DOI: https://doi.org/10.1007/s10409-013-0066-6

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