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ENH: Added new heat transfer coefficient function object
Computes the heat transfer coefficient [W/m2/K] using a run-time selectable model: - ReynoldsAnalogy - fixedReferenceTemperature - localReferenceTemperature
This commit is contained in:
Andrew Heather
114
src/functionObjects/field/heatTransferCoeff/heatTransferCoeff.C
Normal file
114
src/functionObjects/field/heatTransferCoeff/heatTransferCoeff.C
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@ -0,0 +1,114 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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|
License
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||||||
|
This file is part of OpenFOAM.
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||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
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#include "heatTransferCoeff.H"
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#include "dictionary.H"
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#include "heatTransferCoeffModel.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace functionObjects
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{
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defineTypeNameAndDebug(heatTransferCoeff, 0);
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addToRunTimeSelectionTable(functionObject, heatTransferCoeff, dictionary);
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}
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}
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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bool Foam::functionObjects::heatTransferCoeff::calc()
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{
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volScalarField& htc = mesh_.lookupObjectRef<volScalarField>(resultName_);
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htcModelPtr_->calc(htc);
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return true;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::functionObjects::heatTransferCoeff::heatTransferCoeff
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(
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const word& name,
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const Time& runTime,
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const dictionary& dict
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)
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:
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fieldExpression(name, runTime, dict),
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htcModelPtr_()
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{
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read(dict);
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setResultName(typeName, name + ":htc:" + htcModelPtr_->type());
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volScalarField* heatTransferCoeffPtr
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(
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new volScalarField
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(
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IOobject
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(
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resultName_,
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mesh_.time().timeName(),
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mesh_,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh_,
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dimensionedScalar("0", dimPower/dimArea/dimTemperature, 0.0)
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)
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);
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mesh_.objectRegistry::store(heatTransferCoeffPtr);
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::functionObjects::heatTransferCoeff::~heatTransferCoeff()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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bool Foam::functionObjects::heatTransferCoeff::read(const dictionary& dict)
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{
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if (fieldExpression::read(dict))
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{
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htcModelPtr_ = heatTransferCoeffModel::New(dict, mesh_, fieldName_);
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htcModelPtr_->read(dict);
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return true;
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}
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return false;
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}
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// ************************************************************************* //
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199
src/functionObjects/field/heatTransferCoeff/heatTransferCoeff.H
Normal file
199
src/functionObjects/field/heatTransferCoeff/heatTransferCoeff.H
Normal file
@ -0,0 +1,199 @@
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/*---------------------------------------------------------------------------*\
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||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
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|
Class
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Foam::functionObjects::heatTransferCoeff
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Group
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grpFieldFunctionObjects
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Description
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This function object calculates and writes the heat transfer coefficient
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as a volScalarField for a set of patches.
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The field is stored on the mesh database so that it can be retrieved and
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used for other applications. Heat transfer coefficient, htc [W/m2/K]
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can be evaluated using one of the following modes:
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- ReynoldsAnalogy: Reynold's analogy
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- localReferenceTemperature: local reference temperature
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- fixedReferenceTemperature: specified reference temperature
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Usage
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Example usage for mode 'ReynoldsAnalogy' for incompressible case
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\verbatim
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htc
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{
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type heatTransferCoeff;
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libs ("libfieldFunctionObjects.so");
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field T;
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patches ("walls.*");
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htcModel ReynoldsAnalogy;
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UInf (20 0 0);
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Cp CpInf;
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CpInf 1000;
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rho rhoInf;
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rhoInf 1.2;
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}
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\endverbatim
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Example usage for mode 'ReynoldsAnalogy' for compressible case
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\verbatim
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htc
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{
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type heatTransferCoeff;
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libs ("libfieldFunctionObjects.so");
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field T;
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patches ("walls.*");
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htcModel ReynoldsAnalogy;
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UInf (20 0 0);
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}
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\endverbatim
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Example usage for mode 'localReferenceTemperature' for compressible case
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\verbatim
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htc
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{
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type heatTransferCoeff;
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libs ("libfieldFunctionObjects.so");
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field T;
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patches ("walls.*");
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htcModel local;
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}
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\endverbatim
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Example usage for mode 'fixedReferenceTemperature' for compressible case
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\verbatim
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htc
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{
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type heatTransferCoeff;
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libs ("libfieldFunctionObjects.so");
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field T;
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patches ("walls.*");
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htcModel local;
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TRef 300;
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}
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\endverbatim
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See also
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Foam::functionObjects::fieldExpression
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Foam::heatTransferCoeffModels::fixedReferenceTemperature
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Foam::heatTransferCoeffModels::localReferenceTemperature
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SourceFiles
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heatTransferCoeff.C
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\*---------------------------------------------------------------------------*/
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#ifndef functionObjects_heatTransferCoeff_H
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#define functionObjects_heatTransferCoeff_H
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#include "fieldExpression.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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|
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namespace Foam
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{
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class heatTransferCoeffModel;
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namespace functionObjects
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{
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/*---------------------------------------------------------------------------*\
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Class heatTransferCoeff Declaration
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\*---------------------------------------------------------------------------*/
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class heatTransferCoeff
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:
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public fieldExpression
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|
{
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|
private:
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|
// Private data
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|
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//- Heat transfer coefficient model
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autoPtr<heatTransferCoeffModel> htcModelPtr_;
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|
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// Private Member Functions
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|
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|
//- Disallow default bitwise copy construct
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heatTransferCoeff(const heatTransferCoeff&) = delete;
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//- Disallow default bitwise assignment
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void operator=(const heatTransferCoeff&) = delete;
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protected:
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|
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//- Calculate the heat transfer coefficient field and return true
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// if successful
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|
virtual bool calc();
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|
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|
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|
public:
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|
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|
//- Runtime type information
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|
TypeName("heatTransferCoeff");
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|
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|
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|
// Constructors
|
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|
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|
//- Construct for given objectRegistry and dictionary.
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|
// Allow the possibility to load fields from files
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|
heatTransferCoeff
|
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|
(
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|
const word& name,
|
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|
const Time& runTime,
|
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|
const dictionary& dict
|
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|
);
|
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|
|
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|
|
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|
//- Destructor
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|
virtual ~heatTransferCoeff();
|
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|
|
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|
|
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|
// Member Functions
|
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|
|
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|
//- Read the heatTransferCoeff data
|
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|
virtual bool read(const dictionary&);
|
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|
};
|
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|
|
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|
|
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|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
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|
|
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|
} // End namespace functionObjects
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|
} // End namespace Foam
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|
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|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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|
|
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|
#endif
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|
|
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|
// ************************************************************************* //
|
||||||
@ -0,0 +1,271 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#include "ReynoldsAnalogy.H"
|
||||||
|
#include "fluidThermo.H"
|
||||||
|
#include "turbulentTransportModel.H"
|
||||||
|
#include "turbulentFluidThermoModel.H"
|
||||||
|
#include "addToRunTimeSelectionTable.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
namespace heatTransferCoeffModels
|
||||||
|
{
|
||||||
|
defineTypeNameAndDebug(ReynoldsAnalogy, 0);
|
||||||
|
addToRunTimeSelectionTable
|
||||||
|
(
|
||||||
|
heatTransferCoeffModel,
|
||||||
|
ReynoldsAnalogy,
|
||||||
|
dictionary
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
|
||||||
|
|
||||||
|
Foam::tmp<Foam::Field<Foam::scalar>>
|
||||||
|
Foam::heatTransferCoeffModels::ReynoldsAnalogy::rho(const label patchi) const
|
||||||
|
{
|
||||||
|
if (rhoName_ == "rhoInf")
|
||||||
|
{
|
||||||
|
const label n = mesh_.boundary()[patchi].size();
|
||||||
|
return tmp<Field<scalar>>(new Field<scalar>(n, rhoRef_));
|
||||||
|
}
|
||||||
|
else if (mesh_.foundObject<volScalarField>(rhoName_, false))
|
||||||
|
{
|
||||||
|
const volScalarField& rho =
|
||||||
|
mesh_.lookupObject<volScalarField>(rhoName_);
|
||||||
|
return rho.boundaryField()[patchi];
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
FatalErrorInFunction
|
||||||
|
<< "Unable to set rho for patch " << patchi
|
||||||
|
<< exit(FatalError);
|
||||||
|
}
|
||||||
|
|
||||||
|
return tmp<Field<scalar>>(nullptr);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
Foam::tmp<Foam::Field<Foam::scalar>>
|
||||||
|
Foam::heatTransferCoeffModels::ReynoldsAnalogy::Cp(const label patchi) const
|
||||||
|
{
|
||||||
|
if (CpName_ == "CpInf")
|
||||||
|
{
|
||||||
|
const label n = mesh_.boundary()[patchi].size();
|
||||||
|
return tmp<Field<scalar>>(new Field<scalar>(n, CpRef_));
|
||||||
|
}
|
||||||
|
else if (mesh_.foundObject<fluidThermo>(fluidThermo::typeName))
|
||||||
|
{
|
||||||
|
const fluidThermo& thermo =
|
||||||
|
mesh_.lookupObject<fluidThermo>(fluidThermo::typeName);
|
||||||
|
|
||||||
|
const scalarField& pp = thermo.p().boundaryField()[patchi];
|
||||||
|
const scalarField& Tp = thermo.T().boundaryField()[patchi];
|
||||||
|
|
||||||
|
return thermo.Cp(pp, Tp, patchi);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
FatalErrorInFunction
|
||||||
|
<< "Unable to set Cp for patch " << patchi
|
||||||
|
<< exit(FatalError);
|
||||||
|
}
|
||||||
|
|
||||||
|
return tmp<Field<scalar>>(nullptr);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
Foam::tmp<Foam::volSymmTensorField>
|
||||||
|
Foam::heatTransferCoeffModels::ReynoldsAnalogy::devReff() const
|
||||||
|
{
|
||||||
|
typedef compressible::turbulenceModel cmpTurbModel;
|
||||||
|
typedef incompressible::turbulenceModel icoTurbModel;
|
||||||
|
|
||||||
|
if (mesh_.foundObject<cmpTurbModel>(cmpTurbModel::propertiesName))
|
||||||
|
{
|
||||||
|
const cmpTurbModel& turb =
|
||||||
|
mesh_.lookupObject<cmpTurbModel>(cmpTurbModel::propertiesName);
|
||||||
|
|
||||||
|
return turb.devRhoReff()/turb.rho();
|
||||||
|
}
|
||||||
|
else if (mesh_.foundObject<icoTurbModel>(icoTurbModel::propertiesName))
|
||||||
|
{
|
||||||
|
const incompressible::turbulenceModel& turb =
|
||||||
|
mesh_.lookupObject<icoTurbModel>(icoTurbModel::propertiesName);
|
||||||
|
|
||||||
|
return turb.devReff();
|
||||||
|
}
|
||||||
|
else if (mesh_.foundObject<fluidThermo>(fluidThermo::dictName))
|
||||||
|
{
|
||||||
|
const fluidThermo& thermo =
|
||||||
|
mesh_.lookupObject<fluidThermo>(fluidThermo::dictName);
|
||||||
|
|
||||||
|
const volVectorField& U = mesh_.lookupObject<volVectorField>(UName_);
|
||||||
|
|
||||||
|
return -thermo.nu()*dev(twoSymm(fvc::grad(U)));
|
||||||
|
}
|
||||||
|
else if (mesh_.foundObject<transportModel>("transportProperties"))
|
||||||
|
{
|
||||||
|
const transportModel& laminarT =
|
||||||
|
mesh_.lookupObject<transportModel>("transportProperties");
|
||||||
|
|
||||||
|
const volVectorField& U = mesh_.lookupObject<volVectorField>(UName_);
|
||||||
|
|
||||||
|
return -laminarT.nu()*dev(twoSymm(fvc::grad(U)));
|
||||||
|
}
|
||||||
|
else if (mesh_.foundObject<dictionary>("transportProperties"))
|
||||||
|
{
|
||||||
|
const dictionary& transportProperties =
|
||||||
|
mesh_.lookupObject<dictionary>("transportProperties");
|
||||||
|
|
||||||
|
dimensionedScalar nu(transportProperties.lookup("nu"));
|
||||||
|
|
||||||
|
const volVectorField& U = mesh_.lookupObject<volVectorField>(UName_);
|
||||||
|
|
||||||
|
return -nu*dev(twoSymm(fvc::grad(U)));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
FatalErrorInFunction
|
||||||
|
<< "No valid model for viscous stress calculation"
|
||||||
|
<< exit(FatalError);
|
||||||
|
|
||||||
|
return volSymmTensorField::null();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
Foam::tmp<Foam::FieldField<Foam::Field, Foam::scalar>>
|
||||||
|
Foam::heatTransferCoeffModels::ReynoldsAnalogy::Cf() const
|
||||||
|
{
|
||||||
|
const volVectorField& U = mesh_.lookupObject<volVectorField>(UName_);
|
||||||
|
const volVectorField::Boundary& Ubf = U.boundaryField();
|
||||||
|
|
||||||
|
tmp<FieldField<Field, scalar>> tCf
|
||||||
|
(
|
||||||
|
new FieldField<Field, scalar>(Ubf.size())
|
||||||
|
);
|
||||||
|
|
||||||
|
FieldField<Field, scalar>& Cf = tCf.ref();
|
||||||
|
|
||||||
|
forAll(Cf, patchi)
|
||||||
|
{
|
||||||
|
Cf.set(patchi, new Field<scalar>(Ubf[patchi].size(), 0));
|
||||||
|
}
|
||||||
|
|
||||||
|
const volSymmTensorField R(devReff());
|
||||||
|
const volSymmTensorField::Boundary& Rbf = R.boundaryField();
|
||||||
|
|
||||||
|
for (label patchi : patchSet_)
|
||||||
|
{
|
||||||
|
const fvPatchVectorField& Up = Ubf[patchi];
|
||||||
|
|
||||||
|
const symmTensorField& Rp = Rbf[patchi];
|
||||||
|
|
||||||
|
const vectorField nHat(Up.patch().nf());
|
||||||
|
|
||||||
|
const scalarField tauByRhop(mag(nHat & Rp));
|
||||||
|
|
||||||
|
Cf[patchi] = 2*tauByRhop/magSqr(URef_);
|
||||||
|
}
|
||||||
|
|
||||||
|
return tCf;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
Foam::heatTransferCoeffModels::ReynoldsAnalogy::ReynoldsAnalogy
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
)
|
||||||
|
:
|
||||||
|
heatTransferCoeffModel(dict, mesh, TName),
|
||||||
|
UName_("U"),
|
||||||
|
URef_(vector::zero),
|
||||||
|
rhoName_("rho"),
|
||||||
|
rhoRef_(0.0),
|
||||||
|
CpName_("Cp"),
|
||||||
|
CpRef_(0.0)
|
||||||
|
{
|
||||||
|
read(dict);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
bool Foam::heatTransferCoeffModels::ReynoldsAnalogy::read
|
||||||
|
(
|
||||||
|
const dictionary& dict
|
||||||
|
)
|
||||||
|
{
|
||||||
|
if (heatTransferCoeffModel::read(dict))
|
||||||
|
{
|
||||||
|
dict.lookup("UInf") >> URef_;
|
||||||
|
|
||||||
|
dict.readIfPresent("Cp", CpName_);
|
||||||
|
if (CpName_ == "CpInf")
|
||||||
|
{
|
||||||
|
dict.lookup("CpInf") >> CpRef_;
|
||||||
|
}
|
||||||
|
|
||||||
|
dict.readIfPresent("rho", rhoName_);
|
||||||
|
if (rhoName_ == "rhoInf")
|
||||||
|
{
|
||||||
|
dict.lookup("rhoInf") >> rhoRef_;
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void Foam::heatTransferCoeffModels::ReynoldsAnalogy::htc(volScalarField& htc)
|
||||||
|
{
|
||||||
|
const FieldField<Field, scalar> CfBf(Cf());
|
||||||
|
const scalar magU = mag(URef_);
|
||||||
|
|
||||||
|
volScalarField::Boundary& htcBf = htc.boundaryFieldRef();
|
||||||
|
forAllConstIters(patchSet_, iter)
|
||||||
|
{
|
||||||
|
label patchi = iter.key();
|
||||||
|
const scalarField rhop(rho(patchi));
|
||||||
|
const scalarField Cpp(Cp(patchi));
|
||||||
|
|
||||||
|
htcBf[patchi] = 0.5*rhop*Cpp*magU*CfBf[patchi];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,182 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
Class
|
||||||
|
Foam::heatTransferCoeffModels::ReynoldsAnalogy
|
||||||
|
|
||||||
|
Description
|
||||||
|
Heat transfer coefficient calculation based on Reynolds Analogy
|
||||||
|
|
||||||
|
The heat transfer coefficient is derived from the skin friction
|
||||||
|
coefficient:
|
||||||
|
|
||||||
|
\f[
|
||||||
|
C_f = \frac{\tau_w}{0.5 \rho_\infty |U|^2}
|
||||||
|
\f]
|
||||||
|
|
||||||
|
as:
|
||||||
|
|
||||||
|
\f[
|
||||||
|
h = 0.5 \rho_\infty \C_{p,\infty} |U_{\infty}| C_f
|
||||||
|
\f]
|
||||||
|
|
||||||
|
Usage
|
||||||
|
Example of function object specification:
|
||||||
|
\verbatim
|
||||||
|
type heatTransferCoeff;
|
||||||
|
libs ("libfieldFunctionObjects.so");
|
||||||
|
...
|
||||||
|
htcModel ReynoldsAnalogy;
|
||||||
|
UInf (20 0 0);
|
||||||
|
Cp CpInf;
|
||||||
|
CpInf 1005;
|
||||||
|
...
|
||||||
|
\endverbatim
|
||||||
|
|
||||||
|
Where the entries comprise:
|
||||||
|
\table
|
||||||
|
Property | Description | Required | Default value
|
||||||
|
type | type name: heatTransferCoeff | yes |
|
||||||
|
htcModel | selected htc model | yes |
|
||||||
|
UInf | reference velocity | yes |
|
||||||
|
Cp | specific heat capacity field name | no |
|
||||||
|
rho | density field name | no |
|
||||||
|
\endtable
|
||||||
|
|
||||||
|
Note:
|
||||||
|
- to use a reference \c Cp, set \c Cp to \c CpInf
|
||||||
|
- to use a reference \c rho, set \c rho to \c rhoInf
|
||||||
|
|
||||||
|
SourceFiles
|
||||||
|
ReynoldsAnalogy.C
|
||||||
|
|
||||||
|
SeeAlso
|
||||||
|
Foam::heatTransferCoeffModel
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#ifndef heatTransferCoeffModels_ReynoldsAnalogy_H
|
||||||
|
#define heatTransferCoeffModels_ReynoldsAnalogy_H
|
||||||
|
|
||||||
|
#include "heatTransferCoeffModel.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
namespace heatTransferCoeffModels
|
||||||
|
{
|
||||||
|
|
||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
Class ReynoldsAnalogy Declaration
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
class ReynoldsAnalogy
|
||||||
|
:
|
||||||
|
public heatTransferCoeffModel
|
||||||
|
{
|
||||||
|
// Private Member Functions
|
||||||
|
|
||||||
|
//- Disallow copy construct
|
||||||
|
ReynoldsAnalogy(const ReynoldsAnalogy&) = delete;
|
||||||
|
|
||||||
|
//- Disallow default bitwise assignment
|
||||||
|
void operator=(const ReynoldsAnalogy&) = delete;
|
||||||
|
|
||||||
|
|
||||||
|
protected:
|
||||||
|
|
||||||
|
// Protected data
|
||||||
|
|
||||||
|
//- Name of velocity field
|
||||||
|
word UName_;
|
||||||
|
|
||||||
|
//- Reference velocity
|
||||||
|
vector URef_;
|
||||||
|
|
||||||
|
//- Name of density field
|
||||||
|
word rhoName_;
|
||||||
|
|
||||||
|
//- Reference density
|
||||||
|
scalar rhoRef_;
|
||||||
|
|
||||||
|
//- Name of specific heat capacity field
|
||||||
|
word CpName_;
|
||||||
|
|
||||||
|
//- Reference specific heat capacity
|
||||||
|
scalar CpRef_;
|
||||||
|
|
||||||
|
|
||||||
|
// Protected Member Functions
|
||||||
|
|
||||||
|
virtual tmp<Field<scalar>> rho(const label patchi) const;
|
||||||
|
|
||||||
|
virtual tmp<Field<scalar>> Cp(const label patchi) const;
|
||||||
|
|
||||||
|
virtual tmp<volSymmTensorField> devReff() const;
|
||||||
|
|
||||||
|
tmp<FieldField<Field, scalar>> Cf() const;
|
||||||
|
|
||||||
|
//- Set the heat transfer coefficient
|
||||||
|
virtual void htc(volScalarField& htc);
|
||||||
|
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
//- Runtime type information
|
||||||
|
TypeName("ReynoldsAnalogy");
|
||||||
|
|
||||||
|
|
||||||
|
// Constructors
|
||||||
|
|
||||||
|
//- Construct from components
|
||||||
|
ReynoldsAnalogy
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
//- Destructor
|
||||||
|
virtual ~ReynoldsAnalogy()
|
||||||
|
{}
|
||||||
|
|
||||||
|
|
||||||
|
// Member Functions
|
||||||
|
|
||||||
|
//- Read from dictionary
|
||||||
|
virtual bool read(const dictionary& dict);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
} // End namespace heatTransferCoeffModels
|
||||||
|
} // End namespace Foam
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,99 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#include "fixedReferenceTemperature.H"
|
||||||
|
|
||||||
|
#include "addToRunTimeSelectionTable.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
namespace heatTransferCoeffModels
|
||||||
|
{
|
||||||
|
defineTypeNameAndDebug(fixedReferenceTemperature, 0);
|
||||||
|
addToRunTimeSelectionTable
|
||||||
|
(
|
||||||
|
heatTransferCoeffModel,
|
||||||
|
fixedReferenceTemperature,
|
||||||
|
dictionary
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
Foam::heatTransferCoeffModels::fixedReferenceTemperature::fixedReferenceTemperature
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
)
|
||||||
|
:
|
||||||
|
heatTransferCoeffModel(dict, mesh, TName),
|
||||||
|
TRef_(0)
|
||||||
|
{
|
||||||
|
read(dict);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
bool Foam::heatTransferCoeffModels::fixedReferenceTemperature::read
|
||||||
|
(
|
||||||
|
const dictionary& dict
|
||||||
|
)
|
||||||
|
{
|
||||||
|
if (heatTransferCoeffModel::read(dict))
|
||||||
|
{
|
||||||
|
dict.lookup("TRef") >> TRef_;
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void Foam::heatTransferCoeffModels::fixedReferenceTemperature::htc
|
||||||
|
(
|
||||||
|
volScalarField& htc
|
||||||
|
)
|
||||||
|
{
|
||||||
|
const FieldField<Field, scalar> qBf(q());
|
||||||
|
const volScalarField& T = mesh_.lookupObject<volScalarField>(TName_);
|
||||||
|
const volScalarField::Boundary& Tbf = T.boundaryField();
|
||||||
|
const scalar eps = ROOTVSMALL;
|
||||||
|
|
||||||
|
volScalarField::Boundary& htcBf = htc.boundaryFieldRef();
|
||||||
|
forAllConstIters(patchSet_, iter)
|
||||||
|
{
|
||||||
|
label patchi = iter.key();
|
||||||
|
htcBf[patchi] = qBf[patchi]/(TRef_ - Tbf[patchi] + eps);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,145 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
Class
|
||||||
|
Foam::heatTransferCoeffModels::fixedReferenceTemperature
|
||||||
|
|
||||||
|
Description
|
||||||
|
Heat transfer coefficient calculation that employs a fixed reference
|
||||||
|
temperature
|
||||||
|
|
||||||
|
The heat transfer coefficient is specified by:
|
||||||
|
|
||||||
|
\f[
|
||||||
|
h = \frac{q}{T_{ref} - T_w}
|
||||||
|
\f]
|
||||||
|
|
||||||
|
Usage
|
||||||
|
Example of function object specification:
|
||||||
|
\verbatim
|
||||||
|
type heatTransferCoeff;
|
||||||
|
libs ("libfieldFunctionObjects.so");
|
||||||
|
...
|
||||||
|
htcModel fixedReferenceTemperature;
|
||||||
|
TRef 300;
|
||||||
|
...
|
||||||
|
\endverbatim
|
||||||
|
|
||||||
|
Where the entries comprise:
|
||||||
|
\table
|
||||||
|
Property | Description | Required | Default value
|
||||||
|
type | type name: heatTransferCoeff | yes |
|
||||||
|
htcModel | selected htc model | yes |
|
||||||
|
TRef | reference temperature | yes |
|
||||||
|
\endtable
|
||||||
|
|
||||||
|
SourceFiles
|
||||||
|
fixedReferenceTemperature.C
|
||||||
|
|
||||||
|
SeeAlso
|
||||||
|
Foam::heatTransferCoeffModel
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#ifndef heatTransferCoeffModels_fixedReferenceTemperature_H
|
||||||
|
#define heatTransferCoeffModels_fixedReferenceTemperature_H
|
||||||
|
|
||||||
|
#include "heatTransferCoeffModel.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
namespace heatTransferCoeffModels
|
||||||
|
{
|
||||||
|
|
||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
Class fixedReferenceTemperature Declaration
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
class fixedReferenceTemperature
|
||||||
|
:
|
||||||
|
public heatTransferCoeffModel
|
||||||
|
{
|
||||||
|
// Private Member Functions
|
||||||
|
|
||||||
|
//- Disallow copy construct
|
||||||
|
fixedReferenceTemperature(const fixedReferenceTemperature&) = delete;
|
||||||
|
|
||||||
|
//- Disallow default bitwise assignment
|
||||||
|
void operator=(const fixedReferenceTemperature&) = delete;
|
||||||
|
|
||||||
|
|
||||||
|
protected:
|
||||||
|
|
||||||
|
// Protected data
|
||||||
|
|
||||||
|
//- Reference tempetaure
|
||||||
|
scalar TRef_;
|
||||||
|
|
||||||
|
|
||||||
|
// Protected Member Functions
|
||||||
|
|
||||||
|
//- Set the heat transfer coefficient
|
||||||
|
virtual void htc(volScalarField& htc);
|
||||||
|
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
//- Runtime type information
|
||||||
|
TypeName("fixedReferenceTemperature");
|
||||||
|
|
||||||
|
|
||||||
|
// Constructors
|
||||||
|
|
||||||
|
//- Construct from components
|
||||||
|
fixedReferenceTemperature
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
//- Destructor
|
||||||
|
virtual ~fixedReferenceTemperature()
|
||||||
|
{}
|
||||||
|
|
||||||
|
|
||||||
|
// Member Functions
|
||||||
|
|
||||||
|
//- Read from dictionary
|
||||||
|
virtual bool read(const dictionary& dict);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
} // End namespace heatTransferCoeffModels
|
||||||
|
} // End namespace Foam
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,154 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#include "heatTransferCoeffModel.H"
|
||||||
|
#include "fvMesh.H"
|
||||||
|
#include "fluidThermo.H"
|
||||||
|
#include "turbulentTransportModel.H"
|
||||||
|
#include "turbulentFluidThermoModel.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
defineTypeNameAndDebug(heatTransferCoeffModel, 0);
|
||||||
|
defineRunTimeSelectionTable(heatTransferCoeffModel, dictionary);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
|
||||||
|
|
||||||
|
Foam::tmp<Foam::FieldField<Foam::Field, Foam::scalar>>
|
||||||
|
Foam::heatTransferCoeffModel::q() const
|
||||||
|
{
|
||||||
|
const volScalarField& T = mesh_.lookupObject<volScalarField>(TName_);
|
||||||
|
const volScalarField::Boundary& Tbf = T.boundaryField();
|
||||||
|
|
||||||
|
tmp<FieldField<Field, scalar>> tq
|
||||||
|
(
|
||||||
|
new FieldField<Field, scalar>(Tbf.size())
|
||||||
|
);
|
||||||
|
|
||||||
|
FieldField<Field, scalar>& q = tq.ref();
|
||||||
|
|
||||||
|
forAll(q, patchi)
|
||||||
|
{
|
||||||
|
q.set(patchi, new Field<scalar>(Tbf[patchi].size(), 0));
|
||||||
|
}
|
||||||
|
|
||||||
|
typedef compressible::turbulenceModel cmpTurbModel;
|
||||||
|
|
||||||
|
if (mesh_.foundObject<cmpTurbModel>(cmpTurbModel::propertiesName))
|
||||||
|
{
|
||||||
|
const cmpTurbModel& turb =
|
||||||
|
mesh_.lookupObject<cmpTurbModel>(cmpTurbModel::propertiesName);
|
||||||
|
|
||||||
|
const volScalarField& he = turb.transport().he();
|
||||||
|
const volScalarField::Boundary& hebf = he.boundaryField();
|
||||||
|
|
||||||
|
const volScalarField alphaEff(turb.alphaEff());
|
||||||
|
const volScalarField::Boundary& alphaEffbf = alphaEff.boundaryField();
|
||||||
|
|
||||||
|
for (label patchi : patchSet_)
|
||||||
|
{
|
||||||
|
q[patchi] = alphaEffbf[patchi]*hebf[patchi].snGrad();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (mesh_.foundObject<fluidThermo>(fluidThermo::dictName))
|
||||||
|
{
|
||||||
|
const fluidThermo& thermo =
|
||||||
|
mesh_.lookupObject<fluidThermo>(fluidThermo::dictName);
|
||||||
|
|
||||||
|
const volScalarField& he = thermo.he();
|
||||||
|
const volScalarField::Boundary& hebf = he.boundaryField();
|
||||||
|
|
||||||
|
const volScalarField& alpha(thermo.alpha());
|
||||||
|
const volScalarField::Boundary& alphabf = alpha.boundaryField();
|
||||||
|
|
||||||
|
for (label patchi : patchSet_)
|
||||||
|
{
|
||||||
|
q[patchi] = alphabf[patchi]*hebf[patchi].snGrad();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
FatalErrorInFunction
|
||||||
|
<< "Unable to find a valid thermo model to evaluate q"
|
||||||
|
<< exit(FatalError);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Add radiative heat flux contribution if present
|
||||||
|
if (mesh_.foundObject<volScalarField>(qrName_))
|
||||||
|
{
|
||||||
|
const volScalarField& qr = mesh_.lookupObject<volScalarField>(qrName_);
|
||||||
|
const volScalarField::Boundary& qrbf = qr.boundaryField();
|
||||||
|
|
||||||
|
for (label patchi : patchSet_)
|
||||||
|
{
|
||||||
|
q[patchi] += qrbf[patchi];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return tq;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
Foam::heatTransferCoeffModel::heatTransferCoeffModel
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
)
|
||||||
|
:
|
||||||
|
mesh_(mesh),
|
||||||
|
TName_(TName),
|
||||||
|
patchSet_(),
|
||||||
|
qrName_("qr")
|
||||||
|
{}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
bool Foam::heatTransferCoeffModel::read(const dictionary& dict)
|
||||||
|
{
|
||||||
|
const wordReList patchNames(dict.lookup("patches"));
|
||||||
|
patchSet_ = mesh_.boundaryMesh().patchSet(patchNames);
|
||||||
|
dict.readIfPresent("qr", qrName_);
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
bool Foam::heatTransferCoeffModel::calc(volScalarField& result)
|
||||||
|
{
|
||||||
|
htc(result);
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,158 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
Namespace
|
||||||
|
Foam::heatTransferCoeffModels
|
||||||
|
|
||||||
|
Description
|
||||||
|
A namespace for various heat transfer coefficient model implementations.
|
||||||
|
|
||||||
|
Class
|
||||||
|
Foam::heatTransferCoeffModel
|
||||||
|
|
||||||
|
Description
|
||||||
|
An abstract base class for heat transfer coeffcient models.
|
||||||
|
|
||||||
|
SourceFiles
|
||||||
|
heatTransferCoeffModel.C
|
||||||
|
heatTransferCoeffModelNew.C
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#ifndef heatTransferCoeffModel_H
|
||||||
|
#define heatTransferCoeffModel_H
|
||||||
|
|
||||||
|
#include "dictionary.H"
|
||||||
|
#include "HashSet.H"
|
||||||
|
#include "volFields.H"
|
||||||
|
|
||||||
|
#include "runTimeSelectionTables.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
|
||||||
|
class fvMesh;
|
||||||
|
|
||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
Class heatTransferCoeffModel Declaration
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
class heatTransferCoeffModel
|
||||||
|
{
|
||||||
|
|
||||||
|
// Private Member Functions
|
||||||
|
|
||||||
|
//- Disallow copy construct
|
||||||
|
heatTransferCoeffModel(const heatTransferCoeffModel&) = delete;
|
||||||
|
|
||||||
|
//- Disallow default bitwise assignment
|
||||||
|
void operator=(const heatTransferCoeffModel&) = delete;
|
||||||
|
|
||||||
|
|
||||||
|
protected:
|
||||||
|
|
||||||
|
// Protected data
|
||||||
|
|
||||||
|
const fvMesh& mesh_;
|
||||||
|
|
||||||
|
const word TName_;
|
||||||
|
|
||||||
|
labelHashSet patchSet_;
|
||||||
|
|
||||||
|
word qrName_;
|
||||||
|
|
||||||
|
tmp<FieldField<Field, scalar>> q() const;
|
||||||
|
|
||||||
|
//- Set the heat transfer coefficient
|
||||||
|
virtual void htc(volScalarField& htc) = 0;
|
||||||
|
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
//- Runtime type information
|
||||||
|
TypeName("heatTransferCoeffModel");
|
||||||
|
|
||||||
|
|
||||||
|
// Declare run-time constructor selection table
|
||||||
|
|
||||||
|
declareRunTimeSelectionTable
|
||||||
|
(
|
||||||
|
autoPtr,
|
||||||
|
heatTransferCoeffModel,
|
||||||
|
dictionary,
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
),
|
||||||
|
(dict, mesh, TName)
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
// Selectors
|
||||||
|
|
||||||
|
//- Return a reference to the selected heat transfer coefficicent model
|
||||||
|
static autoPtr<heatTransferCoeffModel> New
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
// Constructors
|
||||||
|
|
||||||
|
//- Construct from components
|
||||||
|
heatTransferCoeffModel
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
//- Destructor
|
||||||
|
virtual ~heatTransferCoeffModel()
|
||||||
|
{}
|
||||||
|
|
||||||
|
|
||||||
|
// Member Functions
|
||||||
|
|
||||||
|
//- Read from dictionary
|
||||||
|
virtual bool read(const dictionary& dict);
|
||||||
|
|
||||||
|
virtual bool calc(volScalarField& result);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
} // End namespace Foam
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,59 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#include "heatTransferCoeffModel.H"
|
||||||
|
#include "fvMesh.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
Foam::autoPtr<Foam::heatTransferCoeffModel> Foam::heatTransferCoeffModel::New
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
)
|
||||||
|
{
|
||||||
|
const word modelType(dict.lookup("htcModel"));
|
||||||
|
|
||||||
|
Info<< "Selecting heat transfer coefficient model " << modelType << endl;
|
||||||
|
|
||||||
|
auto cstrIter = dictionaryConstructorTablePtr_->cfind(modelType);
|
||||||
|
|
||||||
|
if (!cstrIter.found())
|
||||||
|
{
|
||||||
|
FatalErrorInFunction
|
||||||
|
<< "Unknown heatTransferCoeffModel type "
|
||||||
|
<< modelType << nl << nl
|
||||||
|
<< "Valid heatTransferCoeffModels :" << endl
|
||||||
|
<< dictionaryConstructorTablePtr_->sortedToc()
|
||||||
|
<< exit(FatalError);
|
||||||
|
}
|
||||||
|
|
||||||
|
return autoPtr<heatTransferCoeffModel>(cstrIter()(dict, mesh, TName));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,93 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#include "localReferenceTemperature.H"
|
||||||
|
|
||||||
|
#include "addToRunTimeSelectionTable.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
namespace heatTransferCoeffModels
|
||||||
|
{
|
||||||
|
defineTypeNameAndDebug(localReferenceTemperature, 0);
|
||||||
|
addToRunTimeSelectionTable
|
||||||
|
(
|
||||||
|
heatTransferCoeffModel,
|
||||||
|
localReferenceTemperature,
|
||||||
|
dictionary
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
Foam::heatTransferCoeffModels::localReferenceTemperature::
|
||||||
|
localReferenceTemperature
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
)
|
||||||
|
:
|
||||||
|
heatTransferCoeffModel(dict, mesh, TName)
|
||||||
|
{
|
||||||
|
read(dict);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
bool Foam::heatTransferCoeffModels::localReferenceTemperature::read
|
||||||
|
(
|
||||||
|
const dictionary& dict
|
||||||
|
)
|
||||||
|
{
|
||||||
|
return heatTransferCoeffModel::read(dict);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void Foam::heatTransferCoeffModels::localReferenceTemperature::htc
|
||||||
|
(
|
||||||
|
volScalarField& htc
|
||||||
|
)
|
||||||
|
{
|
||||||
|
const FieldField<Field, scalar> qBf(q());
|
||||||
|
const volScalarField& T = mesh_.lookupObject<volScalarField>(TName_);
|
||||||
|
const volScalarField::Boundary& Tbf = T.boundaryField();
|
||||||
|
const scalar eps = ROOTVSMALL;
|
||||||
|
|
||||||
|
volScalarField::Boundary& htcBf = htc.boundaryFieldRef();
|
||||||
|
forAllConstIters(patchSet_, iter)
|
||||||
|
{
|
||||||
|
label patchi = iter.key();
|
||||||
|
const scalarField Tc(Tbf[patchi].patchInternalField());
|
||||||
|
htcBf[patchi] = qBf[patchi]/(Tc - Tbf[patchi] + eps);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
@ -0,0 +1,137 @@
|
|||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
========= |
|
||||||
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 2017 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
|
||||||
|
License
|
||||||
|
This file is part of OpenFOAM.
|
||||||
|
|
||||||
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||||
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||||
|
for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
Class
|
||||||
|
Foam::heatTransferCoeffModels::localReferenceTemperature
|
||||||
|
|
||||||
|
Description
|
||||||
|
Heat transfer coefficient calculation that employs the patch internal
|
||||||
|
field as the reference temperature
|
||||||
|
|
||||||
|
The heat transfer coefficient is specified by:
|
||||||
|
|
||||||
|
\f[
|
||||||
|
h = \frac{q}{T_c - T_w}
|
||||||
|
\f]
|
||||||
|
|
||||||
|
Usage
|
||||||
|
Example of function object specification:
|
||||||
|
\verbatim
|
||||||
|
type heatTransferCoeff;
|
||||||
|
libs ("libfieldFunctionObjects.so");
|
||||||
|
...
|
||||||
|
htcModel localReferenceTemperature;
|
||||||
|
...
|
||||||
|
\endverbatim
|
||||||
|
|
||||||
|
Where the entries comprise:
|
||||||
|
\table
|
||||||
|
Property | Description | Required | Default value
|
||||||
|
type | type name: heatTransferCoeff | yes |
|
||||||
|
htcModel | selected htc model | yes |
|
||||||
|
\endtable
|
||||||
|
|
||||||
|
SourceFiles
|
||||||
|
localReferenceTemperature.C
|
||||||
|
|
||||||
|
SeeAlso
|
||||||
|
Foam::heatTransferCoeffModel
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
#ifndef heatTransferCoeffModels_localReferenceTemperature_H
|
||||||
|
#define heatTransferCoeffModels_localReferenceTemperature_H
|
||||||
|
|
||||||
|
#include "heatTransferCoeffModel.H"
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
namespace Foam
|
||||||
|
{
|
||||||
|
namespace heatTransferCoeffModels
|
||||||
|
{
|
||||||
|
|
||||||
|
/*---------------------------------------------------------------------------*\
|
||||||
|
Class localReferenceTemperature Declaration
|
||||||
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
class localReferenceTemperature
|
||||||
|
:
|
||||||
|
public heatTransferCoeffModel
|
||||||
|
{
|
||||||
|
// Private Member Functions
|
||||||
|
|
||||||
|
//- Disallow copy construct
|
||||||
|
localReferenceTemperature(const localReferenceTemperature&) = delete;
|
||||||
|
|
||||||
|
//- Disallow default bitwise assignment
|
||||||
|
void operator=(const localReferenceTemperature&) = delete;
|
||||||
|
|
||||||
|
|
||||||
|
protected:
|
||||||
|
|
||||||
|
// Protected Member Functions
|
||||||
|
|
||||||
|
//- Set the heat transfer coefficient
|
||||||
|
virtual void htc(volScalarField& htc);
|
||||||
|
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
//- Runtime type information
|
||||||
|
TypeName("localReferenceTemperature");
|
||||||
|
|
||||||
|
|
||||||
|
// Constructors
|
||||||
|
|
||||||
|
//- Construct from components
|
||||||
|
localReferenceTemperature
|
||||||
|
(
|
||||||
|
const dictionary& dict,
|
||||||
|
const fvMesh& mesh,
|
||||||
|
const word& TName
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
//- Destructor
|
||||||
|
virtual ~localReferenceTemperature()
|
||||||
|
{}
|
||||||
|
|
||||||
|
|
||||||
|
// Member Functions
|
||||||
|
|
||||||
|
//- Read from dictionary
|
||||||
|
virtual bool read(const dictionary& dict);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
} // End namespace heatTransferCoeffModels
|
||||||
|
} // End namespace Foam
|
||||||
|
|
||||||
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// ************************************************************************* //
|
||||||
Reference in New Issue
Block a user