Effect of variable fluid properties and magneto-hydrodynamics for convection with couple stress fluid

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Abstract

An attempt is made for analyzing MHD mixed convection over a vertical heated plate with a couple of stress fluid numerically in a systematic manner. Unlike other research-based on literature surveys, the fluid properties are varied here where convection improves drastically compare to fixing them constantly. The boundary layer flow is estimated through mathematically formulated equations for the physical configuration considered. These formulated equations are very tedious to solve with specified boundary conditions in nature. Similarity transformations, RKF scheme, and NR method are used to convert those tedious non-linear PDE to higher-order ODE and hence to first order. Interpretation of various significant parameters is studied and observed their effects with momentum, energy, and solutal equations producing the fluid flow with the plotted graphs. The contribution of the Magnetic field is observed in velocity by reducing the force of the fluid flow. This work's main contribution is to see the effective convection with significant fluid flow parameters, with the inclusion variable fluid properties. Nu and Sh numbers are also computed. Certain added effects making them void are well suited and matched with researchers' previous works with a better agreement.

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Narasappa, N., Ashwathnarayana, D. P., Prahlad, H. B., & Girish, L. (2021). Effect of variable fluid properties and magneto-hydrodynamics for convection with couple stress fluid. Biointerface Research in Applied Chemistry, 11(5), 13490–13501. https://doi.org/10.33263/BRIAC115.1349013501

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