Entropy generation on MHD Eyring-Powell hybrid nanofluid flow over a curved stretching sheet with shape factors and the Cattaneo–Christov heat flux model: A comparative study

Document Type : Article

Authors

Department of Mathematics, S.A.S., Vellore Institute of Technology (VIT), Vellore-632014, India

Abstract

This article focuses on the influence of the shape factor of entropy generation on the MHD flow of an Eyring–Powell hybrid nanofluid past a permeable over a curved stretched sheet with Cattaneo–Christov heat flux. Using Homotopy Perturbation Method (HPM) and the shooting method, the governing nonlinear coupled PDEs are converted into ODEs with similarity variables and solved (R-K 4th order). Magnetic field, mixed convection, Eyring-Powell fluid, thermal relaxation, curvature, and thermal radiation are studied and represented in terms of velocity, temperature, entropy production, Bejan number, heat transfer, and coefficients of skin friction. To compare outcomes, we employ the HPM. The Homotopy Perturbation Method produces more precise and reliable results than the numerical method. When a magnetic field affected the hybrid nanofluid as it increased over a curved stretching sheet, the velocity profile decreased. In actuality, the Lorentz force increases as the magnetic field result increases, acting against the flow of the liquid to slow down the system. In the presence of a curved stretching sheet, the velocity profile also decreases as a result of increased magnetic parameters. In the three shapes, the temperature profile rises with increasing thermal radiation and Brinkman number values (sphere, platelet, and blade).

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Scientia Iranica

Articles in Press, Accepted Manuscript
Available Online from 17 January 2024

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