8182a0cff6
Description
Multi-component Maxwell Stefan generalized Fick's law diffusion coefficients
and Fourier based temperature gradient heat flux model with optional Soret
thermal diffusion of species for laminar flow.
The binary diffusion coefficients are specified as Function2<scalar>s of
pressure and temperature but independent of composition.
The heat flux source is implemented as an implicit energy correction to the
temperature gradient based flux source. At convergence the energy
correction is 0.
References:
\verbatim
Taylor, R., & Krishna, R. (1993).
Multicomponent mass transfer (Vol. 2).
John Wiley & Sons.
Merk, H. J. (1959).
The macroscopic equations for simultaneous heat and mass transfer
in isotropic, continuous and closed systems.
Applied Scientific Research,
Section A, 8(1), 73-99.
\endverbatim
Usage
\verbatim
laminar
{
model MaxwellStefanFourier;
D // [m^2/s]
{
O2_O2 1e-2;
O3_O3 5e-2;
N2_N2 1e-2;
O3_O2 5e-2;
O3_N2 5e-2;
O2_N2 1e-2;
O2 1e-2;
O3 5e-2;
N2 1e-2;
}
DT // [kg/m/s] Optional
{
O2 1e-2;
O3 5e-2;
N2 1e-2;
}
}
\endverbatim
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