Gunn.C

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#include "Gunn.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace heatTransferModels
{
    defineTypeNameAndDebug(Gunn, 0);
    addToRunTimeSelectionTable(heatTransferModel, Gunn, dictionary);
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::heatTransferModels::Gunn::Gunn
(
    const dictionary& dict,
    const phaseInterface& interface,
    const bool registerObject
)
:
    heatTransferModel(dict, interface, registerObject),
    interface_
    (
        interface.modelCast<heatTransferModel, dispersedPhaseInterface>()
    )
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::heatTransferModels::Gunn::~Gunn()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField>
Foam::heatTransferModels::Gunn::K(const scalar residualAlpha) const
{
    const volScalarField alpha2
    (
        max(interface_.continuous(), interface_.continuous().residualAlpha())
    );
 
    const volScalarField sqrAlpha2(sqr(alpha2));
 
    const volScalarField Nu
    (
        (7 - 10*alpha2 + 5*sqrAlpha2)
       *(1 + 0.7*pow(interface_.Re(), 0.2)*cbrt(interface_.Pr()))
      + (1.33 - 2.4*alpha2 + 1.2*sqrAlpha2)
       *pow(interface_.Re(), 0.7)*cbrt(interface_.Pr())
    );
 
    return
        6*max(interface_.dispersed(), residualAlpha)
       *interface_.continuous().thermo().kappa()
       *Nu/sqr(interface_.dispersed().d());
}
 
 
// ************************************************************************* //