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A finite element analysis on combined convection and conduction in a channel with a thick walled cavity

M.M. Rahman (Department of Mathematics, BUET, Dhaka, Bangladesh and Tower Faculty of Engineering University of Malaya, Kuala Lumpur, Malaysia)
Hakan Oztop (Department of Mechanical Engineering, Firat University, Elazig, Turkey)
S. Mekhilef (Department of Electrical Engineering, University Malaya, Kuala Lumpur, Malaysia)
R. Saidur (Manufacturing Engineering Department, The Public Authority for Applied Education and Training, Shuweikh, Kuwait)
A. Chamkha (Manufacturing Engineering Department, The Public Authority for Applied Education and Training, Safat, Kuwait)
A. Ahsan (Department of Civil Engineering, University Putra Malaysia, Selangor, Malaysia)
Khaled S. Al-Salem (Department of Mechanical Engineering, King Saud University, Riyadh, Saudi Arabia)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 28 October 2014

202

Abstract

Purpose

The purpose of this paper is to examine the effects of thick wall parameters of a cavity on combined convection in a channel. In other words, conjugate heat transfer is solved.

Design/methodology/approach

Galerkin weighted residual finite element method is used to solve the governing equations of mixed convection.

Findings

The streamlines, isotherms, local and average Nusselt numbers are obtained and presented for different parameters. It is found heat transfer is an increasing function of dimensionless thermal conductivity ratio.

Originality/value

The literature does not have mixed convection and conjugate heat transfer problem in a channel with thick walled cavity.

Keywords

Citation

Rahman, M.M., Oztop, H., Mekhilef, S., Saidur, R., Chamkha, A., Ahsan, A. and S. Al-Salem, K. (2014), "A finite element analysis on combined convection and conduction in a channel with a thick walled cavity", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 24 No. 8, pp. 1888-1905. https://doi.org/10.1108/HFF-07-2013-0239

Publisher

:

Emerald Group Publishing Limited

Copyright © 2014, Emerald Group Publishing Limited

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