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The Scientific World Journal
Volume 2014, Article ID 786102, 8 pages
Research Article

Conjugate Heat Transfer in Rayleigh-Bénard Convection in a Square Enclosure

1School of Mathematical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia
2Solar Energy Research Institute, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia
3Department of Mathematics, Faculty of Science, King Abdulaziz University, P.O. Box 80257, Jeddah 21589, Saudi Arabia

Received 2 January 2014; Accepted 3 March 2014; Published 28 May 2014

Academic Editors: K. Hooman and S. Nardini

Copyright © 2014 Habibis Saleh and Ishak Hashim. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Conjugate natural convection-conduction heat transfer in a square enclosure with a finite wall thickness is studied numerically in the present paper. The governing parameters considered are the Rayleigh number , the wall-to-fluid thermal conductivity ratio , and the ratio of wall thickness to its height . The staggered grid arrangement together with MAC method was employed to solve the governing equations. It is found that the fluid flow and the heat transfer can be controlled by the thickness of the bottom wall, the thermal conductivity ratio, and the Rayleigh number.