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    Abstract
2013 (Vol. 13, Issue: 12)
Research Article

The Mixed Convection Flow in a Fluid-saturated Non-Darcy Porous Medium through a Horizontal Channel

1Abdullah A.A.A. Al-Rashed, 1Ahmad E. Murad, 1Abdulwahab Ali Alnaqi and 2Md. Anwar Hossain
1Department of Automotive and Marine Engineering Technology, College of Technological Studies, The Public Authority for Applied Education and Training, Kuwait
2Department of Mathematics, University of Dhaka, Bangladesh
 

DOI: 10.19026/rjaset.13.3762
Submitted Accepted Published
September 28, 2016 November 15, 2016 December 15, 2016

  How to Cite this Article:

1Abdullah A.A.A. Al-Rashed, 1Ahmad E. Murad, 1Abdulwahab Ali Alnaqi and 2Md. Anwar Hossain, 2013. The Mixed Convection Flow in a Fluid-saturated Non-Darcy Porous Medium through a Horizontal Channel.  Research Journal of Applied Sciences, Engineering and Technology, 13(12): 895-906.

DOI: 10.19026/rjaset.13.3762

URL: http://www.maxwellsci.com/jp/mspabstract.php?jid=RJASET&doi=rjaset.13.3762

Abstract:


In this study the aim is to study the unsteady mixed convection flow of viscous incompressible fluid through a horizontal channel embedded in non-Darcy porous medium with Brinkman-extended Darcy drag, assuming that temperature of the lower wall varies sinusoidally in the direction of the flow and that of the upper wall is uniform. The governing equations of the flow in terms of vorticity equation and energy equations are simulated using the lattice Boltzmann method together with the finite difference successive over relaxation method. The results are presented in terms of streamlines and isotherms showing the effect of Darcy drag and the Forchheimer drag as well as average Nusselt number. The observation from the present investigation is that the average Nusselt number decreases due to increase of the Darcy and Forchheimer drags, which leads to disappearance of the separated flow that developed for the flow of pure fluid as well as reduces the temperature along the heated region of the lower surface, although the periodicity of the wave propagation remains the same but amplitude of oscillation diminishes.

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    Competing interests

The authors have no competing interests.
    Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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© The Author(s) 2013

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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