Model of Laakkonen et al. (2006). The total breakup rate is calculated by. More...
#include <LaakkonenAlopaeusAittamaa.H>


Public Member Functions | |
| TypeName ("LaakkonenAlopaeusAittamaa") | |
| Runtime type information. | |
| LaakkonenAlopaeusAittamaa (const populationBalanceModel &popBal, const dictionary &dict) | |
| virtual | ~LaakkonenAlopaeusAittamaa ()=default |
| Destructor. | |
| virtual void | setBreakupRate (volScalarField &breakupRate, const label i) |
| Set total breakupRate. | |
| Public Member Functions inherited from breakupModel | |
| TypeName ("breakupModel") | |
| Runtime type information. | |
| declareRunTimeSelectionTable (autoPtr, breakupModel, dictionary,(const populationBalanceModel &popBal, const dictionary &dict),(popBal, dict)) | |
| breakupModel (const populationBalanceModel &popBal, const dictionary &dict) | |
| autoPtr< breakupModel > | clone () const |
| virtual | ~breakupModel ()=default |
| Destructor. | |
| const populationBalanceModel & | popBal () const |
| Return reference to the populationBalanceModel. | |
| const autoPtr< daughterSizeDistributionModel > & | dsdPtr () const |
| Return const-reference to daughter size distribution pointer. | |
| autoPtr< daughterSizeDistributionModel > & | dsdPtr () |
| Return reference to daughter size distribution pointer. | |
| virtual void | correct () |
| Correct diameter independent expressions. | |
Additional Inherited Members | |
| Static Public Member Functions inherited from breakupModel | |
| static autoPtr< breakupModel > | New (const word &modelType, const populationBalanceModel &popBal, const dictionary &dict) |
| Protected Attributes inherited from breakupModel | |
| const populationBalanceModel & | popBal_ |
| Reference to the populationBalanceModel. | |
| dictionary | dict_ |
| Dictionary. | |
| autoPtr< daughterSizeDistributionModel > | dsd_ |
| Daughter size distribution model. | |
Model of Laakkonen et al. (2006). The total breakup rate is calculated by.
![\[ C_1 \epsilon_c^{1/3}
\mathrm{erfc}
\left(
\sqrt
{
C_2 \frac{\sigma}{\rho_c \epsilon_c^{2/3} (6v_i/\pi)^{5/9}}
+ C_3 \frac{\mu_c}{\sqrt{\rho_c \rho_d}
\epsilon_c^{1/3} (6v_i/\pi)^{4/9}}
}
\right)
\]](form_809.png)
where
![]() | = | Surface tension [N/m] |
![]() | = | Volume of mother bubble i [m] |
![]() | = | Turbulent dissipation rate of continuous phase [m2/s3] |
![]() | = | Molecular dynamic viscosity of liquid phase [Pa s] |
![]() | = | Density of continuous phase [kg/m3] |
![]() | = | Density of disperse phase [kg/m3] |
References:
Laakkonen, M., Alopaeus, V., & Aittamaa, J. (2006).
Validation of bubble breakage, coalescence and mass transfer models for
gas-liquid dispersion in agitated vessel.
Chemical engineering science, 61(1), 218-228.
Eq. 2-3, p. 220.
| Property | Description | Required | Default value |
|---|---|---|---|
C1 | coefficient C1 | no | 6.0 |
C2 | coefficient C2 | no | 0.04 |
C3 | coefficient C3 | no | 0.01 |
daughterSizeDistributionModel | inh. from breakupModel | inherited |
Definition at line 141 of file LaakkonenAlopaeusAittamaa.H.
| LaakkonenAlopaeusAittamaa | ( | const populationBalanceModel & | popBal, |
| const dictionary & | dict ) |
Definition at line 48 of file LaakkonenAlopaeusAittamaa.C.
References breakupModel::breakupModel(), dict, Foam::dimless, and breakupModel::popBal().

|
virtualdefault |
Destructor.
| TypeName | ( | "LaakkonenAlopaeusAittamaa" | ) |
Runtime type information.
References dict, and breakupModel::popBal().

|
virtual |
Set total breakupRate.
Implements breakupModel.
Definition at line 74 of file LaakkonenAlopaeusAittamaa.C.
References Foam::cbrt(), sizeGroup::d(), Foam::erfc(), phaseModel::mu(), sizeGroup::phase(), breakupModel::popBal_, Foam::pow(), phaseModel::rho(), and Foam::sqrt().
