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多孔介质期刊
影响因子: 1.49 5年影响因子: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN 打印: 1091-028X
ISSN 在线: 1934-0508

多孔介质期刊

DOI: 10.1615/JPorMedia.v18.i4.70
pages 449-453

NON-DARCY FLUID FLOW AND HEAT TRANSFER IN CONDUITS FITTED WITH POROUS MEDIA

Abdulmajeed A. Mohamad
Department of Mechanical and Manufacturing Engineering, Schulich School of Engineering, CEERE, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4
Jamel Orfi
Department of Mechanical Engineering, King Saud University, Riyadh, Saudi Arabia
H. Al-Ansary
Department of Mechanical Engineering, King Saud University, Riyadh, Saudi Arabia

ABSTRACT

Darcy's law may not he applicable for flows through highly permeable porous mediums. It is important to understand the limits of Darcy's law for flow and heat transfer through porous media. Therefore the entrance length and hydrodynamic boundary layer developing in conduits will be a function of Darcy's number and Reynolds number. In the following work, the dependence of entrance length on the Darcy and Reynolds number is correlated as a function of the controlling parameters. Also, heat transfer and thermal boundary-layer developments along the conduit are presented. The results of laminar flow in pipes are presented. Also, the effect of thermal conductivity and other controlling parameters on the rate of heat transfer are discussed for conduits filled completely or partially with porous media.


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