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Journal of Porous Media
Fator do impacto: 1.49 FI de cinco anos: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508

Volumes:
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Journal of Porous Media

DOI: 10.1615/JPorMedia.v9.i3.70
pages 261-273

Simulation of Ordinary Gas Transfer in Porous Solid with Tubular Inclined Pores

Mohammad-Hasan Abbasi
Department of Materials Engineering, Isfahan University of Technology, 84156 Isfahan, Iran

RESUMO

Ideal pure gas transfer at constant temperature through a porous solid and under a pressure gradient is studied. This study is based on a diffusional formalism in the ordinary regime of gas transfer. In this regime, gas transfer is controlled by the successive collisions that occur between the gas particles. The final equation resulting from theoretical consideration expresses the transported gas fraction. This is the ratio of the gas flux to the difference between the rate of particle collisions with the unit area of the two ends of the solid. These collisions are the ones that occur from the gas sources beside the two ends. The realized formulation is evaluated by computer simulation for different porous media consisting of cylindrical tubes as the pores. From simulation results, the transported gas fraction and the tortuosity factor of an inclined tube are determined and discussed. This determination provides the possibility to replace the real porous solid with an equivalent porous model containing the tubular inclined pores. Discussions will be realized on the tortuosity factor of such models.


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