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|
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1912 |
| \\ / A nd | Website: www.openfoam.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object phaseProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
type populationBalanceTwoPhaseSystem;
phases (air water);
populationBalances (bubbles);
air
{
type purePhaseModel;
diameterModel velocityGroup;
velocityGroupCoeffs
{
populationBalance bubbles;
formFactor 0.5235987756;
sizeGroups
(
f0{d 1.00e-3; value 0;}
f1{d 1.08e-3; value 0;}
f2{d 1.16e-3; value 0;}
f3{d 1.25e-3; value 0;}
f4{d 1.36e-3; value 0;}
f5{d 1.46e-3; value 0;}
f6{d 1.58e-3; value 0;}
f7{d 1.71e-3; value 0;}
f8{d 1.85e-3; value 0;}
f9{d 2.00e-3; value 0;}
f10{d 2.16e-3; value 0;}
f11{d 2.33e-3; value 0;}
f12{d 2.51e-3; value 0;}
f13{d 2.72e-3; value 0.25;}
f14{d 2.93e-3; value 0.5;}
f15{d 3.17e-3; value 0.25 ;}
f16{d 3.42e-3; value 0;}
f17{d 3.70e-3; value 0;}
f18{d 4.00e-3; value 0;}
f19{d 4.32e-3; value 0;}
f20{d 4.66e-3; value 0;}
f21{d 5.03e-3; value 0;}
);
}
residualAlpha 1e-6;
}
water
{
type purePhaseModel;
diameterModel constant;
constantCoeffs
{
d 1e-4;
}
residualAlpha 1e-6;
}
populationBalanceCoeffs
{
bubbles
{
continuousPhase water;
coalescenceModels
(
CoulaloglouTavlarides{}
);
binaryBreakupModels
();
breakupModels
(
exponential
{
C 10.0;
exponent 1.0;
daughterSizeDistributionModel uniformBinary;
}
);
driftModels
(
densityChange{}
);
nucleationModels
();
}
}
blending
{
default
{
type linear;
minFullyContinuousAlpha.air 0.7;
minPartlyContinuousAlpha.air 0.3;
minFullyContinuousAlpha.water 0.7;
minPartlyContinuousAlpha.water 0.3;
}
drag
{
type linear;
minFullyContinuousAlpha.air 0.7;
minPartlyContinuousAlpha.air 0.5;
minFullyContinuousAlpha.water 0.7;
minPartlyContinuousAlpha.water 0.5;
}
}
surfaceTension
(
(air and water)
{
type constant;
sigma 0.07;
}
);
aspectRatio
(
(air in water)
{
type constant;
E0 1.0;
}
(water in air)
{
type constant;
E0 1.0;
}
);
drag
(
(air in water)
{
type SchillerNaumann;
residualRe 1e-3;
swarmCorrection
{
type none;
}
}
(water in air)
{
type SchillerNaumann;
residualRe 1e-3;
swarmCorrection
{
type none;
}
}
(air and water)
{
type segregated;
m 0.5;
n 8;
swarmCorrection
{
type none;
}
}
);
virtualMass
(
(air in water)
{
type constantCoefficient;
Cvm 0.5;
}
(water in air)
{
type constantCoefficient;
Cvm 0.5;
}
);
heatTransfer
(
(air in water)
{
type RanzMarshall;
residualAlpha 1e-4;
}
(water in air)
{
type RanzMarshall;
residualAlpha 1e-4;
}
);
phaseTransfer
(
);
lift
(
);
wallLubrication
(
);
turbulentDispersion
(
);
// Minimum allowable pressure
pMin 10000;
// ************************************************************************* //
|
