Berlin 2008 – wissenschaftliches Programm
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DY: Fachverband Dynamik und Statistische Physik
DY 26: Fluid dynamics II
DY 26.7: Vortrag
Donnerstag, 28. Februar 2008, 15:45–16:00, MA 001
Prediction of transport parameters from resolution dependent analysis of porous media — •Thomas Zauner1, Bibudhananda Biswal1, Frank Raischel1, Jens Harting1, and Rudolf Hilfer1,2 — 1ICP, Universität Stuttgart, Pfaffenwaldring 27, 70569 Stuttgart, Germany — 2Institut für Physik, Universität Mainz, 55099 Mainz, Germany
A recently proposed pore scale modeling technique [1] is used to obtain a laboratory scale (2.5 cm) continuum model of quartzitic sandstone. Synthetic µ-CT discretizations of the model are obtained at different resolutions and systematic resolution dependent microstructure analysis was carried out using Local Porosity Analysis [2]. Permeability measurements of digitized subsamples at different resolutions are obtained by large scale Lattice-Boltzmann simulations and extrapolated values for the macroscopic model are predicted.
[1] B. Biswal et al., Phys. Rev. E 75, 61303 (2007)
[2] R. Hilfer, Adv. Chem. Phys. XCII, 299 (1996)