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Entropy generation analysis of electrical magnetohydrodynamic flow of TiO2-Cu/H2O hybrid nanofluid with partial slip

Venkata Subba Rao M. (Vignan’s Foundation for Science Technology and Research, Guntur, India)
B.J. Gireesha (Department of Studies and Research in Mathematics, Kuvempu University, Shimoga, India)
Kotha Gangadhar (Department of Mathematics, Acharya Nagarjuna University, Guntur, India)
Manasa Seshakumari P. (Department of Mathematics, Acharya Nagarjuna University, Ongole Campus, Guntur, India)
S. Sindhu (Department of Studies and Research in Mathematics, Kuvempu University, Shimoga, India)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 4 February 2021

Issue publication date: 24 May 2021

125

Abstract

Purpose

This paper aims to address the magnetohydrodynamic boundary layer flow of hybrid mixture across a stretching surface under the influence of electric field.

Design/methodology/approach

The local similarity transformations are implemented to reformulate the governing partial differential equations into coupled non-linear ordinary differential equations of higher order. The numerical solutions are obtained for the simplified governing equations with the aid of finite difference technique.

Findings

The velocity, temperature and entropy generation are examined thoroughly for the effects of different budding parameters related to present analysis by means of graphs. It is obtained that owing to the effect of magnetic field along with slip factor, the fluid motion slowdown. However, the flow velocity enhances for the rising estimations of an electric field which tends to resolve sticky effects.

Originality/value

The three-dimensional plots are drawn to understand the nature of physical quantities. To ensure the precision, the obtained solutions are compared with the existing one for certain specific conditions. A good concurrence is observed between the proposed results and previously recorded outcomes.

Keywords

Acknowledgements

The authors wish to confirm that there are no known conflicts of interest associated with this publication and there has been no significant financial support for this work that could have influenced its outcome.

Citation

M., V.S.R., Gireesha, B.J., Gangadhar, K., P., M.S. and Sindhu, S. (2021), "Entropy generation analysis of electrical magnetohydrodynamic flow of TiO2-Cu/H2O hybrid nanofluid with partial slip", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 31 No. 6, pp. 1905-1929. https://doi.org/10.1108/HFF-07-2020-0477

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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