Publikation: Permeability of porous materials determined from the Euler characteristic
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2012
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Scholz, Christian
Wirner, Frank
Götz, Jan
Rüde, Ulrich
Schröder-Turk, Gerd E.
Mecke, Klaus
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Physical Review Letters. 2012, 109(26), 264504. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.109.264504
Zusammenfassung
We study the permeability of quasi two-dimensional porous structures of randomly placed overlapping monodisperse circular and elliptical grains. Measurements in microfluidic devices and lattice Boltzmann simulations demonstrate that the permeability is determined by the Euler characteristic of the conducting phase. We obtain an expression for the permeability that is independent of the percolation threshold and shows agreement with experimental and simulated data over a wide range of porosities. Our approach suggests that the permeability explicitly depends on the overlapping probability of grains rather than their shape.
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SCHOLZ, Christian, Frank WIRNER, Jan GÖTZ, Ulrich RÜDE, Gerd E. SCHRÖDER-TURK, Klaus MECKE, Clemens BECHINGER, 2012. Permeability of porous materials determined from the Euler characteristic. In: Physical Review Letters. 2012, 109(26), 264504. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.109.264504BibTex
@article{Scholz2012-11-29T11:28:37ZPerme-39287,
year={2012},
doi={10.1103/PhysRevLett.109.264504},
title={Permeability of porous materials determined from the Euler characteristic},
number={26},
volume={109},
issn={0031-9007},
journal={Physical Review Letters},
author={Scholz, Christian and Wirner, Frank and Götz, Jan and Rüde, Ulrich and Schröder-Turk, Gerd E. and Mecke, Klaus and Bechinger, Clemens},
note={Article Number: 264504}
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