Original title:
A Relatioship between Capillary Pressure and Permeability as Revealed by a Pore Network Model
Translated title:
Vztah mezi kapilárním tlakem a permeabilitou studovaný pomocí modelu trojrozměrné sítě pórů
Authors:
Čapek, P. ; Hejtmánek, Vladimír Document type: Papers Conference/Event: International Congress of Chemical and Process Engineering CHISA 2004 /16./, Praha (CZ), 2004-08-22 / 2004-08-26
Year:
2004
Language:
eng Abstract:
[eng][cze] The results of this study clearly indicate that, in the network representation of a porous medium, the cross-sectional shape of throuds, the chamber-to throut aspect ratio, and spatial correlations between chambers and adjacent throats have the significant unfluence on permeability and mercury-air displacement. Since the critical capillary pressure is solely determined by the throat size and shape in this study, the chamber-to throat aspect ratio is the only pore structure parameter, which does not have any influence on the capillary pressure curves at allByl studován vliv průřezu hrdla, poměru komora-hrdlo a prostorové korelace síťových objektů (příslušných komor a hrdel) ve 3D síťovém modelu na permeabilitu plynu v pórovitém materiálu a na intruzní křivku rtuťové pórometrie. Zatímco kritický kapilární tlak je určen velikostí hrdel a jejich tvarem, poměr komora-hrdlo je pouze strukturním parametrem, který nemá vliv na tvar intruzní křivku rtuťové pórometrie
Keywords:
capillary pressure curve; pore network model; slip flow Project no.: CEZ:AV0Z4072921 (CEP) Host item entry: Summaries 2, ISBN 80-86059-40-5
Institution: Institute of Chemical Process Fundamentals AS ČR
(web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences. Original record: http://hdl.handle.net/11104/0012169