Influence of inclined magnetic field and chemical reaction on the entropy generation of Blasius and Sakiadis flows

Opanuga, A. A. and Agboola, Olasunmbo O. and Okagbue, H. I. and Ogunniyi, P.O. (2020) Influence of inclined magnetic field and chemical reaction on the entropy generation of Blasius and Sakiadis flows. Scientific African, 10.

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Abstract

This work considers the well-known laminar boundary layer flows; about a flat-plate in a uniform stream of fluid (Blasius flow) and about a moving plate in a quiescent am- bient fluid (Sakiadis flow) both under a convective surface boundary condition. Entropy generation due to the effect of angle of inclination, magnetic parameter, chemical reaction parameter and Schmidt number on the flows is investigated. The third order partial dif- ferential equations governing the flows are reduced to ordinary differential equations by suitable similarity variables. The obtained equations are tackled by the Runge-Kutta fourth order method with shooting technique and the results are employed to calculate entropy generation. The solution of Blasius flow is compared with the works in literature and are found to be in excellent agreement. Entropy generation can be minimized by increasing the magnetic parameter (M), chemical reaction parameter (R) and Schmidt number (Sc) for Blasius flow. Magnetic parameter reduces entropy generation for Sakiadis flow while other parameters such as angle of inclination, chemical reaction parameter and Schmidt number boost fluid irreversibility.

Item Type:	Article
Uncontrolled Keywords:	Blasius flow Sakiadis flow Entropy generation Chemical reaction Runge-Kutta method
Subjects:	Q Science > Q Science (General) Q Science > QA Mathematics
Divisions:	Faculty of Engineering, Science and Mathematics > School of Mathematics
Depositing User:	nwokealisi
Date Deposited:	13 Jun 2024 10:56
Last Modified:	13 Jun 2024 10:56
URI:	http://eprints.covenantuniversity.edu.ng/id/eprint/18090

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