OATAO - Open Archive Toulouse Archive Ouverte Open Access Week

Conductances between confined rough walls

Plouraboué, Franck and Geoffroy, Sandrine and Prat, Marc Conductances between confined rough walls. (2004) Physics of Fluids, 16 (3). 615-624. ISSN 1070-6631

(Document in English)

PDF (Author's version) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader

Official URL: http://dx.doi.org/10.1063/1.1644152


Two- and three-dimensional creeping flows and diffusion transport through constricted and possibly rough surfaces are studied. Asymptotic expansions of conductances are derived as functions of the constriction local geometry. The validity range of the proposed theoretical approximations is explored through a comparison either with available exact results for specific two-dimensional aperture fields or with direct numerical computations for general three-dimensional geometries. The large validity range of the analytical expressions proposed for the hydraulic conductivity (and to a lesser extent for the electrical conductivity) opens up interesting perspectives for the simulation of flows in highly complicated geometries with a large number of constrictions.

Item Type:Article
Additional Information:Thanks to American Institute of Physics editor. The original PDF is available at http://pof.aip.org/
HAL Id:hal-03601855
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Laboratory name:
Deposited On:02 May 2012 12:40

Repository Staff Only: item control page