version 3.8.0
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Dumux::DiffusivityMillingtonQuirk< Scalar > Class Template Reference

Relation for the saturation-dependent effective diffusion coefficient. More...

#include <dumux/material/fluidmatrixinteractions/diffusivitymillingtonquirk.hh>

Description

template<class Scalar>
class Dumux::DiffusivityMillingtonQuirk< Scalar >

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 [millington1961] and Helmig 1997: Multiphase Flow and Transport Processes in the Subsurface: A Contribution to the Modeling of Hydrosystems, page 129 [helmig1997]

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.
 

Member Function Documentation

◆ effectiveDiffusionCoefficient()

template<class Scalar >
template<class VolumeVariables >
static Scalar Dumux::DiffusivityMillingtonQuirk< Scalar >::effectiveDiffusionCoefficient ( const VolumeVariables & volVars,
const int phaseIdx,
const int compIdxI,
const int compIdxJ )
inlinestatic
Parameters
volVarsThe Volume Variables
phaseIdxthe index of the phase
compIdxIthe component index i
compIdxJthe component index j

The documentation for this class was generated from the following file: