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_("C1", dimless, dict, 2.8),
61  C2_("C2", inv(dimArea), dict, 1.83e9)
62 {}
63 
64 
65 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
66 
69 (
70  volScalarField::Internal& coalescenceRate,
71  const label i,
72  const label j
73 )
74 {
75  const sizeGroup& fi = popBal_.sizeGroups()[i];
76  const sizeGroup& fj = popBal_.sizeGroups()[j];
77 
78  const volScalarField::Internal& rhoc = popBal_.continuousPhase().rho();
79 
80  tmp<volScalarField> tsigma(popBal_.sigmaWithContinuousPhase(fi.phase()));
81  const volScalarField::Internal& sigma = tsigma();
82 
83  tmp<volScalarField> tmuc(popBal_.continuousPhase().fluidThermo().mu());
84  const volScalarField::Internal& muc = tmuc();
85  tmp<volScalarField> tepsilonc(popBal_.continuousTurbulence().epsilon());
86  const volScalarField::Internal& epsilonc = tepsilonc();
87 
88  coalescenceRate +=
89  C1_*(pow(fi.x(), 2.0/3.0) + pow(fj.x(), 2.0/3.0))
90  *sqrt(pow(fi.x(), 2.0/9.0) + pow(fj.x(), 2.0/9.0))
91  *cbrt(epsilonc)
92  /(1 + popBal_.alphas()())
93  *exp
94  (
95  - C2_*muc*rhoc*epsilonc/sqr(sigma)
96  /pow3(1 + popBal_.alphas()())
97  *pow4(cbrt(fi.x())*cbrt(fj.x())/(cbrt(fi.x()) + cbrt(fj.x())))
98  );
99 }
100 
101 
102 // ************************************************************************* //
Macros for easy insertion into run-time selection tables.
Field with dimensions and associated with geometry type GeoMesh which is used to size the field and a...
Base class for coalescence models.
Model of Coulaloglou and Tavlarides (1977). The coalescence rate is calculated by.
virtual void addToCoalescenceRate(volScalarField::Internal &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:96
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 keywords followed by any number of values (e.g. words and numbers) or sub-dictionaries.
Definition: dictionary.H:162
A class for managing temporary objects.
Definition: tmp.H:55
const dimensionedScalar sigma
Stefan-Boltzmann constant: default SI units: [W/m^2/K^4].
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
const dimensionSet dimless
void pow4(LagrangianPatchField< scalar > &f, const LagrangianPatchField< scalar > &f1)
void pow(LagrangianPatchField< typename powProduct< Type, r >::type > &f, const LagrangianPatchField< Type > &f1)
void pow3(LagrangianPatchField< scalar > &f, const LagrangianPatchField< scalar > &f1)
void cbrt(LagrangianPatchField< scalar > &f, const LagrangianPatchField< scalar > &f1)
void sqr(LagrangianPatchField< typename outerProduct< Type, Type >::type > &f, const LagrangianPatchField< Type > &f1)
const dimensionSet dimArea
void inv(LagrangianPatchField< tensor > &f, const LagrangianPatchField< tensor > &f1)
void sqrt(LagrangianPatchField< scalar > &f, const LagrangianPatchField< scalar > &f1)
dictionary dict