Progress in Computational Fluid Dynamics, Vol. 9, No. 2, 2009 127
Copyright © 2009 Inderscience Enterprises Ltd.
Combined convection in inclined porous lid-driven
enclosures with sinusoidal thermal boundary
condition on one wall
Hakan F. Oztop*
Department of Mechanical Education,
Fırat University, TR-23119, Elazig, Turkey
Fax: 90 424 241 5526
E-mail: hfoztop1@yahoo.com
*Corresponding author
Asaf Varol
Technical Education Faculty,
Fırat University, TR-23119 Elazig, Turkey
Fax: 90-424-2361492
E-mail: varol.asaf@gmail.com
Abstract: A numerical study has been performed to obtain combined convection field in
an inclined porous lid-driven enclosures heated from one wall with a non-uniformly heater.
The lid moves at constant speed and temperature. Darcy-Brinkman-Forchheimer model was
adopted to write governing equations and they solved using finite volume method. A detailed
parametric study has been presented for different Reynolds numbers (10 ≤ Re ≤ 1000), Grashof
numbers (10
4
≤ Gr ≤ 10
5
), Darcy numbers (0.01 ≤ Da ≤ 0.1), porosity (0.6 ≤ ε ≤ 0.9) and
inclination angle of enclosure (0° ≤ φ ≤ 180°). It is observed that flow field, temperature
distribution and heat transfer are affected by inclination angle of the enclosure.
Keywords: porous medium; mixed convection; porosity; lid-driven.
Reference to this paper should be made as follows: Oztop, H.F. and Varol, A. (2009) ‘Combined
convection in inclined porous lid-driven enclosures with sinusoidal thermal boundary condition
on one wall’, Progress in Computational Fluid Dynamics, Vol. 9, No. 2, pp.127–131.
Biographical notes: Hakan F. Oztop is an Associate Professor at Mechanical Education
Department of Technical Education Faculty of Firat University. He got the BS Degree from
Firat University Department of Mechanical engineering in 1996, MS and PhD from the same
university at 1998 and 2003, respectively. He had been in Ecole Poyltechnique de Montreal,
Canada and Auburn University, USA, as a visiting scholar in 2002 and 2004, respectively.
His main research area is numerical heat transfer and fluid flow in forced, mixed and natural
convection through duct or cavities. He has also experience on second law analysis of thermal
and fluid system. He has published 65 papers in SCI journals and 60 research papers in
international or national conferences.
Asaf Varol is a Professor at Technical Education Faculty at Firat University. His primary
research is in the intersection of software engineering, energy and mechatronics. He has
published over 160 research papers in scientific conferences and journals, 12 books, given
tutorials at major conferences, and served on program committees for numerous international
conferences and symposiums. He received a BS Degree from Firat University in 1977, a MS
from Istanbul Technical University 1979, and a PhD from KTÜ/Turkey. He earned his Associate
Professor Degree in 1991 and Full Professor Degree in 1997. He was at Karlsruhe University
between 1980 and 1982 for his PhD lab studies. He conducted research at Indiana and
Purdue Universities in 1990, at Salford and Bradford Universities in 1992. He was Visiting
Professor at Bremen University in 1998 and at WVU in the USA in 2003–2005. Furthermore,
he was dean at Firat University in 2000–2004 and vice rector and founder of Siirt University
between 2007–2008.