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research-article

Magnetohydrodynamic CuO-water nanofluid in a porous complex shaped enclosure

[+] Author and Article Information
M. Sheikholeslami

Department of Mechanical Engineering, Babol University of Technology, Babol, IRAN
mohsen.sheikholeslami@yahoo.com

Houman B. Rokni

Department of Mechanical and Materials Engineering, Tennessee Technological University, Cookeville, TN 38505, USA
hababzade42@students.tntech.edu

1Corresponding author.

ASME doi:10.1115/1.4035973 History: Received September 18, 2016; Revised January 08, 2017

Abstract

Steady nanofluid convective flow in a porous cavity is investigated. Darcy and KKL models are considered for porous media and nanofluid, respectively. The solutions of final equations are obtained by CVFEM. Effective parameters are number of undulations, CuO-water volume fraction, Hartmann and Rayleigh numbers for porous medium. A correlation for Nuave is presented. Results depicted that heat transfer improvement reduces with rise of buoyancy forces. Influence of adding nanoparticle augments with augment of Lorentz forces. Increasing Hartmann number leads to decrease temperature gradient.

Copyright (c) 2017 by ASME
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