openfoam/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/reactingCloud1Properties
sergio 11d17fec5f ENH: Adding evaporation-condensation lagragian model for solution
1) Adding LiquidEvapFuchsKnudsen model for lagrangian evaporation.
   This models is based on a diffusion type of evaporation/
   condensation on particles composed of solution (liquid + solid).

2) Adding modes of calculating the particle rho and volume change.
   The new keyword in constantProperties is 'volumeUpdateMethod'
   which three options:
        a) constantRho
        b) constantVolume
        c) updateRhoAndVol

   The old keyword 'constantVolume' true/face is still valid

3) The entry rho0 is now optional for multicomponent parcels.
   If defined , it is used, but if it is not the actual mixture
   provided is used to calculate rho0 of the particle.
   T0 is still used as initial T and Cp0 is over-written in the
   multicomponent cloud but still required.

4) Adding tutorial for evaporation/condensation model
2020-09-22 16:35:53 +01:00

176 lines
3.9 KiB
C++

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object reactingCloud1Properties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solution
{
active yes;
coupled true;
transient yes;
maxCo 0.3;
cellValueSourceCorrection off;
sourceTerms
{
resetOnStartup false;
schemes
{
rho explicit 1;
U explicit 1;
Yi explicit 1;
h explicit 1;
radiation explicit 1;
}
}
interpolationSchemes
{
rho cell;
U cellPoint;
thermo:mu cell;
T cell;
Cp cell;
kappa cell;
p cell;
}
integrationSchemes
{
U Euler;
T analytical;
}
}
constantProperties
{
//Initial particle density, used if defined, if not by composition
//rho0 5100;
T0 310; //Initial particle temperature
Cp0 850; //Initial particle Cp (overwritten by composition)
hRetentionCoeff 0;
volumeUpdateMethod updateRhoAndVol; //constantRho, constantVolume,
}
subModels
{
particleForces
{
//sphereDrag;
//gravity;
}
injectionModels
{
model1
{
type patchInjection;
patch inlet;
parcelBasisType mass;
U0 (0.4 0 0);
massTotal 1.38;
parcelsPerSecond 123;
SOI 0;
duration 1;
flowRateProfile constant 1;
sizeDistribution
{
type fixedValue;
fixedValueDistribution
{
value 0.011;
}
}
}
}
dispersionModel none;
patchInteractionModel standardWallInteraction;
heatTransferModel RanzMarshall;
compositionModel singleMixtureFraction;
phaseChangeModel liquidEvapFuchsKnudsen;
liquidEvapFuchsKnudsenCoeffs
{
gamma 6.8e-8; // Mean gas free path
alpham 1; // The mass thermal accomodation
solution (H2O NaCl); // Solution (liquid solid)
activityCoefficient Hoff;
ic 1.85;
enthalpyTransfer enthalpyDifference;
}
devolatilisationModel none;
surfaceReactionModel none;
stochasticCollisionModel none;
surfaceFilmModel none;
radiation off;
standardWallInteractionCoeffs
{
type rebound;
}
RanzMarshallCoeffs
{
BirdCorrection off;
}
heterogeneousReactingModel none;
singleMixtureFractionCoeffs
{
phases
(
gas
{
}
liquid
{
H2O 1;
}
solid
{
NaCl 1;
}
);
YGasTot0 0;
YLiquidTot0 0.0;
YSolidTot0 1;
}
}
cloudFunctions
{
}
// ************************************************************************* //