Influence of Lorentz force on the flow of 29nm CuO-Water nanofluid over an upper horizontal surface of a paraboloid of revolution: The case of Heat Transfer

[+] Author and Article Information
Dr. Isaac Lare Animasaun

Department of Mathematical Sciences, Federal University of Technology, Akure, Nigeria

B Mahanthesh

Department of Mathematics, Christ University, Bangalore-560058, India

A. O. Jagun

Department of Mathematical Sciences, Federal University of Technology, Akure, Nigeria

T. D. Bankole

Department of Mathematical Sciences, Federal University of Technology, Akure, Nigeria

Sivaraj R

Department of Mathematics, Vellore Institute of Technology University, Vellore, India

N. A. Shah

Abdus Salam School of Mathematical Sciences GC University Lahore, Pakistan

Salman Saleem

Department of Mathematics, College of Sciences, King Khalid University, Abha 61413, Saudi Arabia

1Corresponding author.

ASME doi:10.1115/1.4041971 History: Received June 22, 2018; Revised November 07, 2018


Combination of electric and magnetic forces on charged molecules of flowing fluid in the presence of a significant electromagnetic fields on surfaces with a non-uniform thickness (as in the case of upper pointed surface of an aircraft and bonnet of a car which are examples of upper horizontal surfaces of a paraboloid of revolution - uhspr) is inevitable.} In this study, the influence of imposed magnetic field and Hall effects on the flow of 29 nm CuO-Water nanofluid over such object is presented. Suitable similarity variables were employed to non-dimensionalize and parameterize the dimensional governing equation. The numerical solutions of the corresponding boundary value problem were obtained using Runge-Kutta fourth order integration scheme along with shooting technique. The domain of cross-flow velocity can be highly suppressed when the magnitude of imposed magnetic strength and that of Hall parameter are large. A significant increase in the cross-flow velocity gradient near an upper horizontal surface of the paraboloid of revolution is guaranteed with an increase in the Hall parameter. Enhancement of temperature distribution across the flow is apparent due to an increase in the volume fraction.

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