Effect of induced magnetic field, chemical reaction and thermal radiation on nonlinear mixed convective flow of Casson fluid over a vertical inclined porous plate embedded in porous medium

Sushila Choudhary () and Bhagawan Singh Yadav
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Sushila Choudhary: Department of Mathematics, University of Rajasthan, Jaipur, Rajasthan 302004, India
Bhagawan Singh Yadav: Department of Mathematics, University of Rajasthan, Jaipur, Rajasthan 302004, India

International Journal of Modern Physics C (IJMPC), 2022, vol. 33, issue 12, 1-20

Abstract: The aim of this paper is to study the combined effects of induced magnetic field and chemical reaction on MHD nonlinear mixed convective flow of Casson fluid over an inclined vertical porous plate embedded in a porous medium. The influence of viscous dissipation, heat source/ sink, and slip phenomena is taken into consideration. The effect of thermal radiation is also considered in the energy equation. The Casson fluid model is used to characterize the non-Newtonian fluid behavior. The main objective here is to analyze the induced magnetic field in a nonlinear mixed convective flow. At first, the appropriate similarity transformation is used to transform the governing nonlinear coupled partial differential equations into nonlinear coupled ordinary differential equations. The nonlinear ordinary differential equations are solved by a shooting technique with the help of bvp4c Matlab package. For the validation of the obtained results through the bvp4c Matlab solver, we have also solved this problem via R-K fourth-order method in Matlab and a good agreement is noted in both the results. The results of different physical parameters involved in the problem on the velocity, temperature, induced magnetic field and concentration are discussed by using graphs. It is noticed that the increasing values of the inclination angle cause rising of the induced magnetic field while induced magnetic field has opposite nature with magnetic parameter and magnetic Prandtl number. With increasing values of the thermal radiation parameter, the temperature profile diminishes. Apart from this, the numerical values of skin friction coefficient, Nusselt number and Sherwood number for the various values of parameters are displayed in tabular form.

Keywords: Casson fluid; induced magnetic field; slip boundary condition; thermal radiation; chemical reaction (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0129183122501625

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