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Journal of Porous Media
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ISSN Druckformat: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v15.i9.20
pages 823-833

MODELING OF FLOW THROUGH A REACTIVE POROUS PLUG AS RELATED TO BIOLOGICAL APPLICATIONS

Alia Marafie
Mechanical Engineering Department, Kuwait University, Al-Safat, Kuwait

ABSTRAKT

The present numerical study addresses flow through a reactive porous matrix for various pertinent parameters. Such parameters include the reaction constant, Reynolds number, and the width of the porous plug. The transport equations were solved using the finite-element formulation based on the Galerkin method of weighted residuals. The validity of the numerical code used was ascertained by comparing the results with previously published results. The results revealed that the reaction constant, Reynolds number, and the width of the porous plug have a significant effect on the streamlines and isoconcentration contours. The species concentration and the axial velocity along the centerline of the channel were reduced substantially with an increase in the reaction constant and width of the porous plug. In addition, the results showed that an increase in the Reynolds number reduced the species concentration and the axial velocity. An optimum width of the porous plug was obtained and is discussed. Further increase in the width beyond the optimum value did not affect the species concentration.


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