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MHD Micropolar Fluid in a Porous Channel Provoked by Viscous Dissipation and Non-Linear Thermal Radiation: An Analytical Approach

Author

Listed:
  • M. Saraswathy

    (Department of Mathematics, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India)

  • D. Prakash

    (Department of Mathematics, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India)

  • Putta Durgaprasad

    (Division of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Chennai Campus, Chennai 600127, Tamil Nadu, India)

Abstract

The present exploration discusses the combined effect of non-linear thermal radiation along with viscous dissipation and magnetic field through a porous medium. A distinctive aspect of our work is the simultaneous use of porous wall and a porous material. The impact of thermal rays is essential in space technology and high temperature processes. At the point when the temperature variation is very high, the linear thermal radiation causes a noticeable error. To overcome such errors, nonlinear thermal radiation is taken into account. The coupled system of ordinary differential equations are derived from the partial differential equation. The dimensional model equations are transformed into non-dimensional forms using some appropriate non-dimensional transformation and the resulting nonlinear equations are solved numerically by executing persuasive numerical technique R-K integration procedure with the shooting method. Graphical analysis were used to assess the consequences of engineering factors for the momentum, angular velocity, concentration and temperature profiles. The skin friction values, local Sherwood and Nusselt number are the fascinating physical quantities whose numerical data are computed and validated against different parametric values. The vortex viscosity parameter and spin gradient viscosity parameter shows the reverse phenomenon on micro-rotation profile. The thermal radiation phenomena flattens the temperature and speeds up the heat transfer rate in the lower wall and a peak in the concentration is observed for the P e m > > 1 due to the inertial force. The Variational Iteration Method (VIM) and Adomian Decomposition Method (ADM) are the two analytical approach which have been incorporated here to decipher the non linear equations for showing better approximity. Comparisons with existing studies are scrutinized very closely and they are determined to be in good accord.

Suggested Citation

  • M. Saraswathy & D. Prakash & Putta Durgaprasad, 2022. "MHD Micropolar Fluid in a Porous Channel Provoked by Viscous Dissipation and Non-Linear Thermal Radiation: An Analytical Approach," Mathematics, MDPI, vol. 11(1), pages 1-23, December.
  • Handle: RePEc:gam:jmathe:v:11:y:2022:i:1:p:183-:d:1019268
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    References listed on IDEAS

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    1. Cao, Limei & Si, Xinhui & Zheng, Liancun, 2015. "The flow of a micropolar fluid through a porous expanding channel: A Lie group analysis," Applied Mathematics and Computation, Elsevier, vol. 270(C), pages 242-250.
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    Cited by:

    1. Yadav, Pramod Kumar & Yadav, Nitisha, 2024. "Magnetohydrodynamic study of Micropolar fluid flow in the porous walled channel with variable viscosity and thermal conductivity: HAM Solution," Chaos, Solitons & Fractals, Elsevier, vol. 181(C).

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