Laakkonen.C
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25 
26 #include "Laakkonen.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace diameterModels
35 {
36 namespace breakupModels
37 {
40  (
42  Laakkonen,
44  );
45 }
46 }
47 }
48 
49 
50 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
51 
54 (
55  const populationBalanceModel& popBal,
56  const dictionary& dict
57 )
58 :
59  breakupModel(popBal, dict),
60  C1_
61  (
62  dimensionedScalar::lookupOrDefault
63  (
64  "C1",
65  dict,
66  dimensionSet(0, -2.0/3.0, 0, 0, 0),
67  2.25
68  )
69  ),
70  C2_(dimensionedScalar::lookupOrDefault("C2", dict, dimless, 0.04)),
71  C3_(dimensionedScalar::lookupOrDefault("C3", dict, dimless, 0.01))
72 {}
73 
74 
75 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
76 
77 void
79 (
80  volScalarField& breakupRate,
81  const label i
82 )
83 {
84  const phaseModel& continuousPhase = popBal_.continuousPhase();
85  const sizeGroup& fi = popBal_.sizeGroups()[i];
86 
87  breakupRate =
88  C1_*cbrt(popBal_.continuousTurbulence().epsilon())
89  *erfc
90  (
91  sqrt
92  (
93  C2_*popBal_.sigmaWithContinuousPhase(fi.phase())
94  /(
95  continuousPhase.rho()*pow(fi.dSph(), 5.0/3.0)
96  *pow(popBal_.continuousTurbulence().epsilon(), 2.0/3.0)
97  )
98  + C3_*continuousPhase.fluidThermo().mu()
99  /(
100  sqrt(continuousPhase.rho()*fi.phase().rho())
101  *cbrt(popBal_.continuousTurbulence().epsilon())
102  *pow(fi.dSph(), 4.0/3.0)
103  )
104  )
105  );
106 }
107 
108 
109 // ************************************************************************* //
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:79
Laakkonen(const populationBalanceModel &popBal, const dictionary &dict)
Definition: Laakkonen.C:54
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:51
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
Dimension set for the base types.
Definition: dimensionSet.H:125
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(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