Laakkonen.C
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25 
26 #include "Laakkonen.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace diameterModels
34 {
35 namespace breakupModels
36 {
39  (
41  Laakkonen,
43  );
44 }
45 }
46 }
47 
48 
49 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
50 
53 (
54  const populationBalanceModel& popBal,
55  const dictionary& dict
56 )
57 :
58  breakupModel(popBal, dict),
59  C1_
60  (
61  dimensionedScalar::lookupOrDefault
62  (
63  "C1",
64  dict,
65  dimensionSet(0, -2.0/3.0, 0, 0, 0),
66  2.25
67  )
68  ),
69  C2_(dimensionedScalar::lookupOrDefault("C2", dict, dimless, 0.04)),
70  C3_(dimensionedScalar::lookupOrDefault("C3", dict, dimless, 0.01))
71 {}
72 
73 
74 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
75 
76 void
78 (
79  volScalarField& breakupRate,
80  const label i
81 )
82 {
83  const phaseModel& continuousPhase = popBal_.continuousPhase();
84  const sizeGroup& fi = popBal_.sizeGroups()[i];
85 
86  breakupRate =
87  C1_*cbrt(popBal_.continuousTurbulence().epsilon())
88  *erfc
89  (
90  sqrt
91  (
92  C2_*popBal_.sigmaWithContinuousPhase(fi.phase())
93  /(
94  continuousPhase.rho()*pow(fi.dSph(), 5.0/3.0)
95  *pow(popBal_.continuousTurbulence().epsilon(), 2.0/3.0)
96  )
97  + C3_*continuousPhase.thermo().mu()
98  /(
99  sqrt(continuousPhase.rho()*fi.phase().rho())
100  *cbrt(popBal_.continuousTurbulence().epsilon())
101  *pow(fi.dSph(), 4.0/3.0)
102  )
103  )
104  );
105 }
106 
107 
108 // ************************************************************************* //
Macros for easy insertion into run-time selection tables.
Generic GeometricField class.
Base class for breakup models which provide a total breakup rate and a separate daughter size distrib...
Definition: breakupModel.H:56
Model of Laakkonen et al. (2007). The total breakup rate is calculated by.
Definition: Laakkonen.H:144
virtual void setBreakupRate(volScalarField &breakupRate, const label i)
Set total breakupRate.
Definition: Laakkonen.C:78
Laakkonen(const populationBalanceModel &popBal, const dictionary &dict)
Definition: Laakkonen.C:53
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 & dSph() const
Return representative spherical diameter of the sizeGroup.
Definition: sizeGroupI.H:50
const phaseModel & phase() const
Return const-reference to the phase.
Definition: sizeGroupI.H:36
A list of keyword definitions, which are a keyword followed by any number of values (e....
Definition: dictionary.H:160
Dimension set for the base types.
Definition: dimensionSet.H:122
virtual tmp< volScalarField > mu() const =0
Dynamic viscosity of mixture [kg/m/s].
virtual const rhoThermo & thermo() const =0
Return the thermophysical model.
virtual const volScalarField & rho() const =0
Return the density field.
addToRunTimeSelectionTable(breakupModel, exponential, dictionary)
Namespace for OpenFOAM.
dimensionedScalar erfc(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
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensionedScalar sqrt(const dimensionedScalar &ds)
dimensionedScalar cbrt(const dimensionedScalar &ds)
dictionary dict