A theoretical model to predict gas permeability for slip flow through a porous medium

Hooman, K., Tamayol, A., Dahari, M., Safaei, M.R., Togun, H. and Sadri, R. (2014) A theoretical model to predict gas permeability for slip flow through a porous medium. Applied Thermal Engineering, 70 1: 71-76. doi:10.1016/j.applthermaleng.2014.04.071


Author Hooman, K.
Tamayol, A.
Dahari, M.
Safaei, M.R.
Togun, H.
Sadri, R.
Title A theoretical model to predict gas permeability for slip flow through a porous medium
Journal name Applied Thermal Engineering   Check publisher's open access policy
ISSN 1359-4311
1873-5606
Publication date 2014-09-05
Sub-type Article (original research)
DOI 10.1016/j.applthermaleng.2014.04.071
Open Access Status
Volume 70
Issue 1
Start page 71
End page 76
Total pages 6
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon Press
Collection year 2015
Language eng
Abstract Based on slip flow at pore level a theoretical model is presented to predict the gas permeability and thereby the overall pressure drop for flow through a porous medium. The model maps the porous structure to a number of parallel micro-channels of arbitrary but constant cross-sectional shapes which remains uniform along the flow path. The gas permeability is found to follow Klinkenberg's equation. The Klinkenberg's slip factor is obtained as a function of matrix porosity and no-slip permeability as well as gas properties. Results are generalized by assuming an arbitrary polygonal shape for the pores. The proposed methodology is simple to follow and easy to implement. Theoretical predictions are then compared to existing experimental data in the literature to observe good agreement.
Keyword Klinkenberg effect
Microporous
Permeability
Slip flow
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2015 Collection
 
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