CoulaloglouTavlarides.C
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25 
26 #include "CoulaloglouTavlarides.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace diameterModels
35 {
36 namespace coalescenceModels
37 {
40  (
44  );
45 }
46 }
47 }
48 
49 
50 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
51 
54 (
55  const populationBalanceModel& popBal,
56  const dictionary& dict
57 )
58 :
59  coalescenceModel(popBal, dict),
60  C1_(dimensionedScalar::lookupOrDefault("C1", dict, dimless, 2.8)),
61  C2_(dimensionedScalar::lookupOrDefault("C2", dict, inv(dimArea), 1.83e9))
62 {}
63 
64 
65 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
66 
67 void
70 (
71  volScalarField& coalescenceRate,
72  const label i,
73  const label j
74 )
75 {
76  const phaseModel& continuousPhase = popBal_.continuousPhase();
77  const sizeGroup& fi = popBal_.sizeGroups()[i];
78  const sizeGroup& fj = popBal_.sizeGroups()[j];
79 
80  coalescenceRate +=
81  C1_*(pow(fi.x(), 2.0/3.0) + pow(fj.x(), 2.0/3.0))
82  *sqrt(pow(fi.x(), 2.0/9.0) + pow(fj.x(), 2.0/9.0))
83  *cbrt(popBal_.continuousTurbulence().epsilon())/(1 + popBal_.alphas())
84  *exp
85  (
86  - C2_*continuousPhase.fluidThermo().mu()*continuousPhase.rho()
87  *popBal_.continuousTurbulence().epsilon()
88  /sqr(popBal_.sigmaWithContinuousPhase(fi.phase()))
89  /pow3(1 + popBal_.alphas())
90  *pow4(cbrt(fi.x())*cbrt(fj.x())/(cbrt(fi.x()) + cbrt(fj.x())))
91  );
92 }
93 
94 
95 // ************************************************************************* //
Macros for easy insertion into run-time selection tables.
Generic GeometricField class.
Base class for coalescence models.
Model of Coulaloglou and Tavlarides (1977). The coalescence rate is calculated by.
virtual void addToCoalescenceRate(volScalarField &coalescenceRate, const label i, const label j)
Add to coalescenceRate.
CoulaloglouTavlarides(const populationBalanceModel &popBal, const dictionary &dict)
Model for tracking the evolution of a dispersed phase size distribution due to coalescence (synonymou...
Single size class fraction field representing a fixed particle volume as defined by the user through ...
Definition: sizeGroup.H:102
const dimensionedScalar & x() const
Return representative volume of the sizeGroup.
Definition: sizeGroupI.H:58
const phaseModel & phase() const
Return const-reference to the phase.
Definition: sizeGroupI.H:37
A list of keyword definitions, which are a keyword followed by any number of values (e....
Definition: dictionary.H:162
virtual const volScalarField & mu() const =0
Dynamic viscosity of mixture [kg/m/s].
virtual const rhoFluidThermo & fluidThermo() const =0
Return the thermophysical model.
virtual const volScalarField & rho() const =0
Return the density field.
addToRunTimeSelectionTable(coalescenceModel, AdachiStuartFokkink, dictionary)
defineTypeNameAndDebug(AdachiStuartFokkink, 0)
Namespace for OpenFOAM.
dimensionedScalar exp(const dimensionedScalar &ds)
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
dimensionedSymmTensor sqr(const dimensionedVector &dv)
dimensionedScalar pow3(const dimensionedScalar &ds)
const dimensionSet dimless
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensionedScalar sqrt(const dimensionedScalar &ds)
dimensionedScalar pow4(const dimensionedScalar &ds)
dimensionedSphericalTensor inv(const dimensionedSphericalTensor &dt)
const dimensionSet dimArea
dimensionedScalar cbrt(const dimensionedScalar &ds)
dictionary dict