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Cattaneo–Christov double diffusion on micropolar magneto cross nanofluids with entropy generation by M K Nayak; F Mabood; W A Khan; O D Makinde is a Physics and Astronomy article available to read on EtoBox.

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The present work concentrates on two-dimensional unsteady incompressible flow of a micropolar cross nanofluid past a linear stretching/shrinking sheet with a magnetic field. The Cattaneo-Christov diffusion theory with heat and mass fluxes is incorporated into the study. Famous Buongiorno model featured by Brownian motion and thermophoresis accounting for nanoparticle diffusion is included. The shooting method is employed to obtain numerical solutions of the transformed system of non-linear equations. The influence of the governing parameters on the dimensionless velocity, temperature, micro-rotation, nanoparticle concentration, skin friction, heat and mass transfer rates, entropy generation rate, Bejan number, irreversibility ratio, streamlines and finally isotherms are incorporated. The significant outcomes of the current investigation are that increment in micropolar parameter uplifts flow velocity, microrotation, while that peters out fluid temperature. Irreversibility ratio augments due to increment in stretching/shrinking strength parameter. Streamlines/Isotherms diverge/converge more and more from/to an origin accordingly.

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Author

M K Nayak; F Mabood; W A Khan; O D Makinde

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Physics and Astronomy (Physical Sciences)