Journal of Porous Media

ISSN for PRINT: 1091-028X

For Online Access

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2005, Volume8

D. A. Nield
Department of Engineering Science, University of Auckland, New Zealand

A. V. Kuznetsov
Department of Mechanical and Aerospace Engineering, North Carolina State University, Campus Box 7910, Raleigh, NC 27695-7910, USA

The classical Graetz methodology is applied to semi-analytically investigate the thermal development of forced convection in a parallel-plate channel or a circular tube partly filled by a porous medium. The Beavers-Joseph model for the interface is adopted, together with the Darcy model for the porous medium. For each of the two channel geometries, the cases of a porous core and a porous sheath are studied. For each of these, the variation of Nusselt number with axial coordinate is calculated for various values of the Darcy number and conductivity ratio, for a representative value of the interface position and a representative value of the Beavers-Joseph coefficient.

DOI: 10.1615/JPorMedia.v8.i6.70 Download article, 627-638 pages

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