Analytical Approach to Nonlinear Oscillatory Flow Through a Semi-Infinite Vertical Permeable Wall in a Porous Medium with MHD Mixed Convection

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Authors

  • Vijaya Kumar
    Department of Mathematics, M S Ramaiah Institute of Technology, Bengaluru – 560054, Karnataka ,IN
  • P. A. Dinesh
     Department of Mathematics, M. S. Ramaiah Institute of Technology, Bengaluru – 560054, Karnataka ,IN
  • A. S. Aruna
     Department of Mathematics, M. S. Ramaiah Institute of Technology, Bengaluru – 560054, Karnataka ,IN
  • G. S. Prasad
     Department of Mathematics, AMCEC, Bengaluru – 560083, Karnataka ,IN
  • M. Suresha
     Department of Mathematics, Vemana Institute of Technology, Bengaluru - 560034, Karnataka ,IN

DOI:

https://doi.org/10.18311/jmmf/2023/43602

Keywords:

Linear Stability Analysis, Magneto Hydrodynamics (MHD), Porous Media.

Abstract

The present work illustrates mixed MHD convection flow of an unstable two-dimensional viscous incompressible fluid flow in a porous material under the following conditions: semi-infinite vertical permeable wall support (i) There is a constant mean oscillation in the suction velocity normal to the wall throughout time. (ii) A constant mean velocity of the free stream; (iii) a constant wall temperature; and (iv) a somewhat high temperature differential between the wall and the free stream, which generates free convection currents. Conservation of mass, energy and momentum are used to obtain the governing equations. These equations are non-linear in nature and connected with one another. The nonlinear differential equations are non-dimensionalized employing non-dimensionalized parameters such as Prandtl number Pr, Grashof number Gr, Eckert number Ek, Hartmann number Mh, and Viscous ratio. An analytical method is used to solve approximate solutions for nonlinear PDEs utilizing the double regular perturbation technique. The numerical results for temperature, skin friction, heat flow, velocity, and skin friction are computed for various parameters and are demonstrated to be in good agreement with previous findings.

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Published

2023-12-30

How to Cite

Kumar , V., Dinesh, P. A., Aruna, A. S., Prasad, G. S., & Suresha, M. (2023). Analytical Approach to Nonlinear Oscillatory Flow Through a Semi-Infinite Vertical Permeable Wall in a Porous Medium with MHD Mixed Convection. Journal of Mines, Metals and Fuels, 71(12A), 326–334. https://doi.org/10.18311/jmmf/2023/43602

Issue

Volume 71, Issue 12A , 2023

Section

Articles

License

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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