Relation for the saturation-dependent effective diffusion coefficient. More...
#include <dumux/material/fluidmatrixinteractions/diffusivitymillingtonquirk.hh>
The material law is:
\[ D_\text{eff,pm} = \phi * S_w * \tau * D \]
with
\[ \tau = \frac{1}{\phi^2} * \left(\phi S_w\right)^{7/3} \]
after Millington and Quirk 1961: Permeability of porous solids [53] and Helmig 1997: Multiphase Flow and Transport Processes in the Subsurface: A Contribution to the Modeling of Hydrosystems, page 129 [37]
Static Public Member Functions | |
template<class VolumeVariables > | |
static Scalar | effectiveDiffusionCoefficient (const VolumeVariables &volVars, const int phaseIdx, const int compIdxI, const int compIdxJ) |
Returns the effective diffusion coefficient \(\mathrm{[m^2/s]}\) after Millington Quirk. More... | |
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inlinestatic |
volVars | The Volume Variables |
phaseIdx | the index of the phase |
compIdxI | the component index i |
compIdxJ | the component index j |