Hydraulic Parameter Estimation in Heterogeneous Porous Media

Olaf Ippisch, Peter Bastian, Anatja Samouëlian, Hans-Jörg Vogel & Olaf Ippisch
The determination of hydraulic parameter functions is crucial for the modeling of multiphase flow in porous media. The combination of multistep-outflow experiments and inverse modeling is a standard method for the determination of hydraulic properties for unsaturated flow. Up to now it is necessary to assume, that the sample is homogeneous, which is not true for most natural porous media. Measurement techniques like x-ray tomography, geoelectrics and georadar allow the non-destructive determination of the spatial...
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