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Magnetohydrodynamic effects on natural convection flow of a nanofluid in the presence of heat source due to solar energy

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Abstract

The objective of the present work is to investigate theoretically the MHD convective flow and heat transfer of an incompressible viscous nanofluid past a porous vertical stretching sheet in the presence of variable stream condition due to solar radiation (incident radiation). The governing equations are derived using the usual boundary-layer and Boussinesq approximations and accounting for the presence of an applied magnetic field and incident radiation flux. The absorbed radiation acts as a distributed source which initiates buoyancy-driven flow and convection in the absorbed layer. The partial differential equations governing the problem under consideration are transformed by a special form of Lie symmetry group transformations viz. one-parameter group of transformation into a system of ordinary differential equations which are solved numerically using Runge Kutta Gill based shooting method. The conclusion is drawn that the flow field and temperature are significantly influenced by radiation, heat source and magnetic field.

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Acknowledgements

The authors wish to express their cordial thanks to our beloved The Vice Chancellor and The Dean, FSTPi, UTHM, Malaysia, Head of the department of Mechanical Engineering, Anna University and The Chairman of RMK Engineering College and Sri Guru Institute of Technology, Anna University, India for their encouragements.

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Authors and Affiliations

  1. Computational Fluid Dynamics, FSTPi Universiti Tun Hussein Onn Malaysia, Batu Pahat, Malaysia

    R. Kandasamy

  2. Department of Mechanical Engineering, Sri Guru Institute of Technology, Coimbatore, TN, India

    N. Anbuchezhian

  3. Department of Mechanical Engineering, Anna University, Chennai, India

    K. Srinivasan

  4. Department of Mechanical Engineering, R.M.K. Engineering College, Chennai, India

    K. Chandrasekaran

Authors
  1. N. Anbuchezhian
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  2. K. Srinivasan
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  3. K. Chandrasekaran
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  4. R. Kandasamy
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Correspondence to R. Kandasamy.

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Anbuchezhian, N., Srinivasan, K., Chandrasekaran, K. et al. Magnetohydrodynamic effects on natural convection flow of a nanofluid in the presence of heat source due to solar energy. Meccanica 48, 307–321 (2013). https://doi.org/10.1007/s11012-012-9602-x

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  • DOI: https://doi.org/10.1007/s11012-012-9602-x

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