HeatTransferModel.C

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    Copyright (C) 2021 OpenCFD Ltd.
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    This file is part of OpenFOAM.
 
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#include "HeatTransferModel.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::HeatTransferModel<CloudType>::HeatTransferModel(CloudType& owner)
:
    CloudSubModelBase<CloudType>(owner),
    BirdCorrection_(false)
{}
 
 
template<class CloudType>
Foam::HeatTransferModel<CloudType>::HeatTransferModel
(
    const dictionary& dict,
    CloudType& owner,
    const word& type
)
:
    CloudSubModelBase<CloudType>(owner, dict, typeName, type),
    BirdCorrection_(this->coeffDict().template get<Switch>("BirdCorrection"))
{}
 
 
template<class CloudType>
Foam::HeatTransferModel<CloudType>::HeatTransferModel
(
    const HeatTransferModel<CloudType>& htm
)
:
    CloudSubModelBase<CloudType>(htm),
    BirdCorrection_(htm.BirdCorrection_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class CloudType>
Foam::scalar Foam::HeatTransferModel<CloudType>::htc
(
    const scalar dp,
    const scalar Re,
    const scalar Pr,
    const scalar kappa,
    const scalar NCpW
) const
{
    const scalar Nu = this->Nu(Re, Pr);
 
    scalar htc = Nu*kappa/dp;
 
    if (BirdCorrection_ && (mag(htc) > ROOTVSMALL) && (mag(NCpW) > ROOTVSMALL))
    {
        const scalar phit = min(NCpW/htc, 50);
        if (phit > 0.001)
        {
            htc *= phit/(exp(phit) - 1.0);
        }
    }
 
    return htc;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "HeatTransferModelNew.C"
 
// ************************************************************************* //