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Journal of Porous Media
Facteur d'impact: 1.49 Facteur d'impact sur 5 ans: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN Imprimer: 1091-028X
ISSN En ligne: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v8.i4.50
pages 379-391

Computer Simulation of Ordinary Gas Transfer in Tubes

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

RÉSUMÉ

Transfer of pure gas particles in cylindrical tubes under a pressure gradient is formulated on the basis of an ordinary diffusion regime. The pressure distribution in the tube is derived, and a parameter called the transported gas fraction is introduced. It has been shown theoretically that this parameter is a function of the particle mean free path at the mean pressure and the tube length. A computer simulation was then used to verify the results of the formulation. It is shown that the results of the formulation and simulation are in good agreement within certain conditions, i.e., when the tube length is at least five times greater than the particle mean free path at the mean pressure.


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