RanzMarshall.C

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    Copyright (C) 2011 OpenFOAM Foundation
    Copyright (C) 2021 OpenCFD Ltd.
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#include "RanzMarshall.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::RanzMarshall<CloudType>::RanzMarshall
(
    const dictionary& dict,
    CloudType& cloud
)
:
    HeatTransferModel<CloudType>(dict, cloud, typeName),
    a_(this->coeffDict().template getOrDefault<scalar>("a", 2.0)),
    b_(this->coeffDict().template getOrDefault<scalar>("b", 0.6)),
    m_(this->coeffDict().template getOrDefault<scalar>("m", 1.0/2.0)),
    n_(this->coeffDict().template getOrDefault<scalar>("n", 1.0/3.0))
{}
 
 
template<class CloudType>
Foam::RanzMarshall<CloudType>::RanzMarshall(const RanzMarshall<CloudType>& htm)
:
    HeatTransferModel<CloudType>(htm),
    a_(htm.a_),
    b_(htm.b_),
    m_(htm.m_),
    n_(htm.n_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::scalar Foam::RanzMarshall<CloudType>::Nu
(
    const scalar Re,
    const scalar Pr
) const
{
    // (AOB:p. 18 below Eq. 42)
    return a_ + b_*pow(Re, m_)*pow(Pr, n_);
}
 
 
// ************************************************************************* //