reactingTwoPhaseEulerFoam: Added support for thermally-driven phase-change (boiling)
The interfacial temperature is assumed equal to the saturation temperature. Only a single species is considered volatile and the other species to not affect the mass-transfer.
This commit is contained in:
Henry Weller
parent
82241e646f
commit
d47a42458f
@ -28,7 +28,6 @@ License
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#include "BlendedInterfacialModel.H"
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#include "heatTransferModel.H"
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#include "massTransferModel.H"
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#include "interfaceCompositionModel.H"
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#include "HashPtrTable.H"
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@ -59,12 +58,6 @@ HeatAndMassTransferPhaseSystem
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massTransferModels_
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);
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this->generatePairsAndSubModels
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(
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"interfaceComposition",
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interfaceCompositionModels_
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);
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forAllConstIter
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(
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phaseSystem::phasePairTable,
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@ -332,263 +325,6 @@ Foam::HeatAndMassTransferPhaseSystem<BasePhaseSystem>::heatTransfer() const
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}
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template<class BasePhaseSystem>
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Foam::autoPtr<Foam::phaseSystem::massTransferTable>
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Foam::HeatAndMassTransferPhaseSystem<BasePhaseSystem>::massTransfer() const
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{
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// Create a mass transfer matrix for each species of each phase
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autoPtr<phaseSystem::massTransferTable> eqnsPtr
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(
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new phaseSystem::massTransferTable()
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);
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phaseSystem::massTransferTable& eqns = eqnsPtr();
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forAllConstIter
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(
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phaseSystem::phaseModelTable,
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this->phaseModels_,
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phaseModelIter
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)
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{
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const phaseModel& phase(phaseModelIter());
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const PtrList<volScalarField>& Yi = phase.Y();
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forAll(Yi, i)
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{
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eqns.insert
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(
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Yi[i].name(),
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new fvScalarMatrix(Yi[i], dimMass/dimTime)
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);
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}
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}
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// Reset the interfacial mass flow rates
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forAllConstIter
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(
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phaseSystem::phasePairTable,
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this->phasePairs_,
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phasePairIter
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)
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{
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const phasePair& pair(phasePairIter());
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if (pair.ordered())
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{
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continue;
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}
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*dmdt_[pair] =
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*dmdtExplicit_[pair];
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*dmdtExplicit_[pair] =
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dimensionedScalar("zero", dimDensity/dimTime, 0);
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}
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// Sum up the contribution from each interface composition model
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forAllConstIter
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(
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interfaceCompositionModelTable,
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interfaceCompositionModels_,
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interfaceCompositionModelIter
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)
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{
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const interfaceCompositionModel& compositionModel
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(
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interfaceCompositionModelIter()
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);
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const phasePair& pair
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(
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this->phasePairs_[interfaceCompositionModelIter.key()]
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);
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const phaseModel& phase = pair.phase1();
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const phaseModel& otherPhase = pair.phase2();
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const phasePairKey key(phase.name(), otherPhase.name());
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const volScalarField& Tf(*Tf_[key]);
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volScalarField& dmdtExplicit(*dmdtExplicit_[key]);
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volScalarField& dmdt(*dmdt_[key]);
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scalar dmdtSign(Pair<word>::compare(dmdt_.find(key).key(), key));
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const volScalarField K
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(
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massTransferModels_[key][phase.name()]->K()
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);
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forAllConstIter
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(
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hashedWordList,
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compositionModel.species(),
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memberIter
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)
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{
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const word& member = *memberIter;
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const word name
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(
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IOobject::groupName(member, phase.name())
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);
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const word otherName
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(
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IOobject::groupName(member, otherPhase.name())
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);
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const volScalarField KD
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(
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K*compositionModel.D(member)
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);
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const volScalarField Yf
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(
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compositionModel.Yf(member, Tf)
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);
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// Implicit transport through the phase
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*eqns[name] +=
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phase.rho()*KD*Yf
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- fvm::Sp(phase.rho()*KD, eqns[name]->psi());
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// Sum the mass transfer rate
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dmdtExplicit += dmdtSign*phase.rho()*KD*Yf;
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dmdt -= dmdtSign*phase.rho()*KD*eqns[name]->psi();
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// Explicit transport out of the other phase
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if (eqns.found(otherName))
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{
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*eqns[otherName] -=
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otherPhase.rho()*KD*compositionModel.dY(member, Tf);
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}
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}
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}
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return eqnsPtr;
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}
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template<class BasePhaseSystem>
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void Foam::HeatAndMassTransferPhaseSystem<BasePhaseSystem>::correctThermo()
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{
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BasePhaseSystem::correctThermo();
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// This loop solves for the interface temperatures, Tf, and updates the
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// interface composition models.
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//
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// The rate of heat transfer to the interface must equal the latent heat
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// consumed at the interface, i.e.:
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//
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// H1*(T1 - Tf) + H2*(T2 - Tf) == mDotL
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// == K*rho*(Yfi - Yi)*Li
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//
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// Yfi is likely to be a strong non-linear (typically exponential) function
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// of Tf, so the solution for the temperature is newton-accelerated
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forAllConstIter
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(
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phaseSystem::phasePairTable,
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this->phasePairs_,
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phasePairIter
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)
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{
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const phasePair& pair(phasePairIter());
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if (pair.ordered())
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{
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continue;
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}
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const phasePairKey key12(pair.first(), pair.second(), true);
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const phasePairKey key21(pair.second(), pair.first(), true);
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volScalarField H1(heatTransferModels_[pair][pair.first()]->K());
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volScalarField H2(heatTransferModels_[pair][pair.second()]->K());
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dimensionedScalar HSmall("small", heatTransferModel::dimK, SMALL);
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volScalarField mDotL
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(
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IOobject
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(
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"mDotL",
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this->mesh().time().timeName(),
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this->mesh()
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),
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this->mesh(),
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dimensionedScalar("zero", dimEnergy/dimVolume/dimTime, 0)
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);
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volScalarField mDotLPrime
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(
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IOobject
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(
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"mDotLPrime",
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this->mesh().time().timeName(),
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this->mesh()
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),
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this->mesh(),
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dimensionedScalar("zero", mDotL.dimensions()/dimTemperature, 0)
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);
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volScalarField& Tf = *Tf_[pair];
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// Add latent heats from forward and backward models
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if (interfaceCompositionModels_.found(key12))
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{
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interfaceCompositionModels_[key12]->addMDotL
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(
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massTransferModels_[pair][pair.first()]->K(),
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Tf,
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mDotL,
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mDotLPrime
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);
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}
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if (interfaceCompositionModels_.found(key21))
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{
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interfaceCompositionModels_[key21]->addMDotL
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(
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massTransferModels_[pair][pair.second()]->K(),
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Tf,
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mDotL,
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mDotLPrime
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);
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}
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// Update the interface temperature by applying one step of newton's
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// method to the interface relation
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Tf -=
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(
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H1*(Tf - pair.phase1().thermo().T())
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+ H2*(Tf - pair.phase2().thermo().T())
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+ mDotL
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)
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/(
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max(H1 + H2 + mDotLPrime, HSmall)
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);
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// Update the interface compositions
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if (interfaceCompositionModels_.found(key12))
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{
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interfaceCompositionModels_[key12]->update(Tf);
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}
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if (interfaceCompositionModels_.found(key21))
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{
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interfaceCompositionModels_[key21]->update(Tf);
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}
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Tf.correctBoundaryConditions();
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Info<< "Tf." << pair.name()
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<< ": min = " << min(Tf.internalField())
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<< ", mean = " << average(Tf.internalField())
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<< ", max = " << max(Tf.internalField())
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<< endl;
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}
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}
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template<class BasePhaseSystem>
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bool Foam::HeatAndMassTransferPhaseSystem<BasePhaseSystem>::read()
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{
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@ -25,12 +25,8 @@ Class
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Foam::HeatAndMassTransferPhaseSystem
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Description
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Class which models interfacial heat and mass transfer between a number of
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phases. Mass is transferred to or from a phase according to a composition
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model at the surface of another phase. Heat is transferred from a phase to
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an interfacial temperature. The interface temperature is calculated such
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that the net rate at which the heat is transferred to the interface is
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equal to the latent heat consumed by the mass transfer.
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Base class to support interfacial heat and mass transfer between a number
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of phases.
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SourceFiles
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HeatAndMassTransferPhaseSystem.C
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@ -53,7 +49,6 @@ class BlendedInterfacialModel;
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class blendingMethod;
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class heatTransferModel;
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class massTransferModel;
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class interfaceCompositionModel;
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/*---------------------------------------------------------------------------*\
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Class HeatAndMassTransferPhaseSystem Declaration
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@ -88,13 +83,6 @@ protected:
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phasePairKey::hash
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> massTransferModelTable;
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typedef HashTable
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<
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autoPtr<interfaceCompositionModel>,
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phasePairKey,
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phasePairKey::hash
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> interfaceCompositionModelTable;
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// Protected data
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@ -117,9 +105,6 @@ protected:
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//- Mass transfer models
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massTransferModelTable massTransferModels_;
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//- Interface composition models
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interfaceCompositionModelTable interfaceCompositionModels_;
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public:
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@ -151,10 +136,10 @@ public:
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//- Return the mass transfer matrices
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virtual autoPtr<phaseSystem::massTransferTable>
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massTransfer() const;
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massTransfer() const = 0;
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//- Correct the thermodynamics
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virtual void correctThermo();
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virtual void correctThermo() = 0;
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//- Read base phaseProperties dictionary
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virtual bool read();
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@ -0,0 +1,336 @@
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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) 2015 OpenFOAM Foundation
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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
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "InterfaceCompositionPhaseChangePhaseSystem.H"
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#include "interfaceCompositionModel.H"
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class BasePhaseSystem>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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InterfaceCompositionPhaseChangePhaseSystem
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(
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const fvMesh& mesh
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)
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:
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HeatAndMassTransferPhaseSystem<BasePhaseSystem>(mesh)
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{
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this->generatePairsAndSubModels
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(
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"interfaceComposition",
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interfaceCompositionModels_
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);
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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template<class BasePhaseSystem>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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~InterfaceCompositionPhaseChangePhaseSystem()
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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template<class BasePhaseSystem>
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Foam::autoPtr<Foam::phaseSystem::massTransferTable>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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massTransfer() const
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{
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// Create a mass transfer matrix for each species of each phase
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autoPtr<phaseSystem::massTransferTable> eqnsPtr
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(
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new phaseSystem::massTransferTable()
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);
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phaseSystem::massTransferTable& eqns = eqnsPtr();
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forAllConstIter
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(
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phaseSystem::phaseModelTable,
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this->phaseModels_,
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phaseModelIter
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)
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{
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const phaseModel& phase(phaseModelIter());
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const PtrList<volScalarField>& Yi = phase.Y();
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forAll(Yi, i)
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{
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eqns.insert
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(
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Yi[i].name(),
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new fvScalarMatrix(Yi[i], dimMass/dimTime)
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);
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}
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}
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// Reset the interfacial mass flow rates
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forAllConstIter
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(
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phaseSystem::phasePairTable,
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this->phasePairs_,
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phasePairIter
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)
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{
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const phasePair& pair(phasePairIter());
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if (pair.ordered())
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{
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continue;
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}
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*this->dmdt_[pair] =
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*this->dmdtExplicit_[pair];
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*this->dmdtExplicit_[pair] =
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dimensionedScalar("zero", dimDensity/dimTime, 0);
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}
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// Sum up the contribution from each interface composition model
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forAllConstIter
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(
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interfaceCompositionModelTable,
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interfaceCompositionModels_,
|
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interfaceCompositionModelIter
|
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)
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{
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const interfaceCompositionModel& compositionModel
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(
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interfaceCompositionModelIter()
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);
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const phasePair& pair
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(
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this->phasePairs_[interfaceCompositionModelIter.key()]
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);
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const phaseModel& phase = pair.phase1();
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const phaseModel& otherPhase = pair.phase2();
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const phasePairKey key(phase.name(), otherPhase.name());
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const volScalarField& Tf(*this->Tf_[key]);
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volScalarField& dmdtExplicit(*this->dmdtExplicit_[key]);
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volScalarField& dmdt(*this->dmdt_[key]);
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scalar dmdtSign(Pair<word>::compare(this->dmdt_.find(key).key(), key));
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const volScalarField K
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(
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this->massTransferModels_[key][phase.name()]->K()
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);
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forAllConstIter
|
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(
|
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hashedWordList,
|
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compositionModel.species(),
|
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memberIter
|
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)
|
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{
|
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const word& member = *memberIter;
|
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|
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const word name
|
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(
|
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IOobject::groupName(member, phase.name())
|
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);
|
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|
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const word otherName
|
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(
|
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IOobject::groupName(member, otherPhase.name())
|
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);
|
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|
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const volScalarField KD
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(
|
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K*compositionModel.D(member)
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);
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const volScalarField Yf
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(
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compositionModel.Yf(member, Tf)
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);
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// Implicit transport through the phase
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*eqns[name] +=
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phase.rho()*KD*Yf
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- fvm::Sp(phase.rho()*KD, eqns[name]->psi());
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|
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// Sum the mass transfer rate
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dmdtExplicit += dmdtSign*phase.rho()*KD*Yf;
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dmdt -= dmdtSign*phase.rho()*KD*eqns[name]->psi();
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// Explicit transport out of the other phase
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if (eqns.found(otherName))
|
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{
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*eqns[otherName] -=
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otherPhase.rho()*KD*compositionModel.dY(member, Tf);
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}
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}
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}
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return eqnsPtr;
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}
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template<class BasePhaseSystem>
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void Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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correctThermo()
|
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{
|
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BasePhaseSystem::correctThermo();
|
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|
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// This loop solves for the interface temperatures, Tf, and updates the
|
||||
// interface composition models.
|
||||
//
|
||||
// The rate of heat transfer to the interface must equal the latent heat
|
||||
// consumed at the interface, i.e.:
|
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//
|
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// H1*(T1 - Tf) + H2*(T2 - Tf) == mDotL
|
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// == K*rho*(Yfi - Yi)*Li
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//
|
||||
// Yfi is likely to be a strong non-linear (typically exponential) function
|
||||
// of Tf, so the solution for the temperature is newton-accelerated
|
||||
|
||||
forAllConstIter
|
||||
(
|
||||
phaseSystem::phasePairTable,
|
||||
this->phasePairs_,
|
||||
phasePairIter
|
||||
)
|
||||
{
|
||||
const phasePair& pair(phasePairIter());
|
||||
|
||||
if (pair.ordered())
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
const phasePairKey key12(pair.first(), pair.second(), true);
|
||||
const phasePairKey key21(pair.second(), pair.first(), true);
|
||||
|
||||
volScalarField H1(this->heatTransferModels_[pair][pair.first()]->K());
|
||||
volScalarField H2(this->heatTransferModels_[pair][pair.second()]->K());
|
||||
dimensionedScalar HSmall("small", heatTransferModel::dimK, SMALL);
|
||||
|
||||
volScalarField mDotL
|
||||
(
|
||||
IOobject
|
||||
(
|
||||
"mDotL",
|
||||
this->mesh().time().timeName(),
|
||||
this->mesh()
|
||||
),
|
||||
this->mesh(),
|
||||
dimensionedScalar("zero", dimEnergy/dimVolume/dimTime, 0)
|
||||
);
|
||||
volScalarField mDotLPrime
|
||||
(
|
||||
IOobject
|
||||
(
|
||||
"mDotLPrime",
|
||||
this->mesh().time().timeName(),
|
||||
this->mesh()
|
||||
),
|
||||
this->mesh(),
|
||||
dimensionedScalar("zero", mDotL.dimensions()/dimTemperature, 0)
|
||||
);
|
||||
|
||||
volScalarField& Tf = *this->Tf_[pair];
|
||||
|
||||
// Add latent heats from forward and backward models
|
||||
if (this->interfaceCompositionModels_.found(key12))
|
||||
{
|
||||
this->interfaceCompositionModels_[key12]->addMDotL
|
||||
(
|
||||
this->massTransferModels_[pair][pair.first()]->K(),
|
||||
Tf,
|
||||
mDotL,
|
||||
mDotLPrime
|
||||
);
|
||||
}
|
||||
if (this->interfaceCompositionModels_.found(key21))
|
||||
{
|
||||
this->interfaceCompositionModels_[key21]->addMDotL
|
||||
(
|
||||
this->massTransferModels_[pair][pair.second()]->K(),
|
||||
Tf,
|
||||
mDotL,
|
||||
mDotLPrime
|
||||
);
|
||||
}
|
||||
|
||||
// Update the interface temperature by applying one step of newton's
|
||||
// method to the interface relation
|
||||
Tf -=
|
||||
(
|
||||
H1*(Tf - pair.phase1().thermo().T())
|
||||
+ H2*(Tf - pair.phase2().thermo().T())
|
||||
+ mDotL
|
||||
)
|
||||
/(
|
||||
max(H1 + H2 + mDotLPrime, HSmall)
|
||||
);
|
||||
|
||||
Tf.correctBoundaryConditions();
|
||||
|
||||
Info<< "Tf." << pair.name()
|
||||
<< ": min = " << min(Tf.internalField())
|
||||
<< ", mean = " << average(Tf.internalField())
|
||||
<< ", max = " << max(Tf.internalField())
|
||||
<< endl;
|
||||
|
||||
// Update the interface compositions
|
||||
if (this->interfaceCompositionModels_.found(key12))
|
||||
{
|
||||
this->interfaceCompositionModels_[key12]->update(Tf);
|
||||
}
|
||||
if (this->interfaceCompositionModels_.found(key21))
|
||||
{
|
||||
this->interfaceCompositionModels_[key21]->update(Tf);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
bool Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::read()
|
||||
{
|
||||
if (BasePhaseSystem::read())
|
||||
{
|
||||
bool readOK = true;
|
||||
|
||||
// Models ...
|
||||
|
||||
return readOK;
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,120 @@
|
||||
/*---------------------------------------------------------------------------*\
|
||||
========= |
|
||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||
\\ / O peration |
|
||||
\\ / A nd | Copyright (C) 2015 OpenFOAM Foundation
|
||||
\\/ 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::InterfaceCompositionPhaseChangePhaseSystem
|
||||
|
||||
Description
|
||||
Class to provide interfacial heat and mass transfer between a number of
|
||||
phases according to a interface composition model.
|
||||
|
||||
The interface temperature is calculated such that the net rate at which the
|
||||
heat is transferred to the interface is equal to the latent heat consumed by
|
||||
the mass transfer.
|
||||
|
||||
SourceFiles
|
||||
InterfaceCompositionPhaseChangePhaseSystem.C
|
||||
|
||||
\*---------------------------------------------------------------------------*/
|
||||
|
||||
#ifndef InterfaceCompositionPhaseChangePhaseSystem_H
|
||||
#define InterfaceCompositionPhaseChangePhaseSystem_H
|
||||
|
||||
#include "HeatAndMassTransferPhaseSystem.H"
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
namespace Foam
|
||||
{
|
||||
|
||||
class interfaceCompositionModel;
|
||||
|
||||
/*---------------------------------------------------------------------------*\
|
||||
Class InterfaceCompositionPhaseChangePhaseSystem Declaration
|
||||
\*---------------------------------------------------------------------------*/
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
class InterfaceCompositionPhaseChangePhaseSystem
|
||||
:
|
||||
public HeatAndMassTransferPhaseSystem<BasePhaseSystem>
|
||||
{
|
||||
protected:
|
||||
|
||||
// Protected typedefs
|
||||
|
||||
typedef HashTable
|
||||
<
|
||||
autoPtr<interfaceCompositionModel>,
|
||||
phasePairKey,
|
||||
phasePairKey::hash
|
||||
> interfaceCompositionModelTable;
|
||||
|
||||
|
||||
// Protected data
|
||||
|
||||
// Sub Models
|
||||
|
||||
//- Interface composition models
|
||||
interfaceCompositionModelTable interfaceCompositionModels_;
|
||||
|
||||
|
||||
public:
|
||||
|
||||
// Constructors
|
||||
|
||||
//- Construct from fvMesh
|
||||
InterfaceCompositionPhaseChangePhaseSystem(const fvMesh&);
|
||||
|
||||
|
||||
//- Destructor
|
||||
virtual ~InterfaceCompositionPhaseChangePhaseSystem();
|
||||
|
||||
|
||||
// Member Functions
|
||||
|
||||
//- Return the mass transfer matrices
|
||||
virtual autoPtr<phaseSystem::massTransferTable> massTransfer() const;
|
||||
|
||||
//- Correct the thermodynamics
|
||||
virtual void correctThermo();
|
||||
|
||||
//- Read base phaseProperties dictionary
|
||||
virtual bool read();
|
||||
};
|
||||
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
} // End namespace Foam
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
#ifdef NoRepository
|
||||
# include "InterfaceCompositionPhaseChangePhaseSystem.C"
|
||||
#endif
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
#endif
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,199 @@
|
||||
/*---------------------------------------------------------------------------*\
|
||||
========= |
|
||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||
\\ / O peration |
|
||||
\\ / A nd | Copyright (C) 2015 OpenFOAM Foundation
|
||||
\\/ 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 "ThermalPhaseChangePhaseSystem.H"
|
||||
|
||||
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
Foam::ThermalPhaseChangePhaseSystem<BasePhaseSystem>::
|
||||
ThermalPhaseChangePhaseSystem
|
||||
(
|
||||
const fvMesh& mesh
|
||||
)
|
||||
:
|
||||
HeatAndMassTransferPhaseSystem<BasePhaseSystem>(mesh),
|
||||
volatile_(this->lookup("volatile")),
|
||||
saturationModel_(saturationModel::New(this->subDict("saturationModel")))
|
||||
{}
|
||||
|
||||
|
||||
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
Foam::ThermalPhaseChangePhaseSystem<BasePhaseSystem>::
|
||||
~ThermalPhaseChangePhaseSystem()
|
||||
{}
|
||||
|
||||
|
||||
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
Foam::autoPtr<Foam::phaseSystem::massTransferTable>
|
||||
Foam::ThermalPhaseChangePhaseSystem<BasePhaseSystem>::massTransfer() const
|
||||
{
|
||||
// Create a mass transfer matrix for each species of each phase
|
||||
autoPtr<phaseSystem::massTransferTable> eqnsPtr
|
||||
(
|
||||
new phaseSystem::massTransferTable()
|
||||
);
|
||||
|
||||
phaseSystem::massTransferTable& eqns = eqnsPtr();
|
||||
|
||||
forAllConstIter
|
||||
(
|
||||
phaseSystem::phaseModelTable,
|
||||
this->phaseModels_,
|
||||
phaseModelIter
|
||||
)
|
||||
{
|
||||
const phaseModel& phase(phaseModelIter());
|
||||
|
||||
const PtrList<volScalarField>& Yi = phase.Y();
|
||||
|
||||
forAll(Yi, i)
|
||||
{
|
||||
eqns.insert
|
||||
(
|
||||
Yi[i].name(),
|
||||
new fvScalarMatrix(Yi[i], dimMass/dimTime)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
forAllConstIter
|
||||
(
|
||||
phaseSystem::phasePairTable,
|
||||
this->phasePairs_,
|
||||
phasePairIter
|
||||
)
|
||||
{
|
||||
const phasePair& pair(phasePairIter());
|
||||
|
||||
if (pair.ordered())
|
||||
{
|
||||
continue;
|
||||
}
|
||||
const phaseModel& phase = pair.phase1();
|
||||
const phaseModel& otherPhase = pair.phase2();
|
||||
|
||||
const word name
|
||||
(
|
||||
IOobject::groupName(volatile_, phase.name())
|
||||
);
|
||||
|
||||
const word otherName
|
||||
(
|
||||
IOobject::groupName(volatile_, otherPhase.name())
|
||||
);
|
||||
|
||||
const volScalarField dmdt(this->dmdt(pair));
|
||||
const volScalarField dmdt12(posPart(dmdt));
|
||||
const volScalarField dmdt21(negPart(dmdt));
|
||||
|
||||
*eqns[name] += fvm::Sp(dmdt21, eqns[name]->psi()) - dmdt21;
|
||||
*eqns[otherName] += dmdt12 - fvm::Sp(dmdt12, eqns[otherName]->psi());
|
||||
}
|
||||
|
||||
return eqnsPtr;
|
||||
}
|
||||
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
void Foam::ThermalPhaseChangePhaseSystem<BasePhaseSystem>::correctThermo()
|
||||
{
|
||||
BasePhaseSystem::correctThermo();
|
||||
|
||||
forAllConstIter
|
||||
(
|
||||
phaseSystem::phasePairTable,
|
||||
this->phasePairs_,
|
||||
phasePairIter
|
||||
)
|
||||
{
|
||||
const phasePair& pair(phasePairIter());
|
||||
|
||||
if (pair.ordered())
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
const phaseModel& phase1 = pair.phase1();
|
||||
const phaseModel& phase2 = pair.phase2();
|
||||
|
||||
volScalarField& Tf = *this->Tf_[pair];
|
||||
Tf = saturationModel_->Tsat(phase1.thermo().p());
|
||||
|
||||
Info<< "Tf." << pair.name()
|
||||
<< ": min = " << min(Tf.internalField())
|
||||
<< ", mean = " << average(Tf.internalField())
|
||||
<< ", max = " << max(Tf.internalField())
|
||||
<< endl;
|
||||
|
||||
volScalarField& dmdt(*this->dmdt_[pair]);
|
||||
|
||||
volScalarField H1(this->heatTransferModels_[pair][pair.first()]->K());
|
||||
volScalarField H2(this->heatTransferModels_[pair][pair.second()]->K());
|
||||
|
||||
const volScalarField& T1(phase1.thermo().T());
|
||||
const volScalarField& T2(phase2.thermo().T());
|
||||
|
||||
const volScalarField& he1(phase1.thermo().he());
|
||||
const volScalarField& he2(phase2.thermo().he());
|
||||
|
||||
volScalarField hef2(phase2.thermo().he(phase2.thermo().p(), Tf));
|
||||
volScalarField hef1(phase1.thermo().he(phase1.thermo().p(), Tf));
|
||||
|
||||
dmdt =
|
||||
(H2*(Tf - T1) + H1*(Tf - T2))
|
||||
/min
|
||||
(
|
||||
(pos(dmdt)*he2 + neg(dmdt)*hef2)
|
||||
- (neg(dmdt)*he1 + pos(dmdt)*hef1),
|
||||
0.3*(hef1 - hef2)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
bool Foam::ThermalPhaseChangePhaseSystem<BasePhaseSystem>::read()
|
||||
{
|
||||
if (BasePhaseSystem::read())
|
||||
{
|
||||
bool readOK = true;
|
||||
|
||||
// Models ...
|
||||
|
||||
return readOK;
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,112 @@
|
||||
/*---------------------------------------------------------------------------*\
|
||||
========= |
|
||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||
\\ / O peration |
|
||||
\\ / A nd | Copyright (C) 2015 OpenFOAM Foundation
|
||||
\\/ 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::ThermalPhaseChangePhaseSystem
|
||||
|
||||
Description
|
||||
Class to provide interfacial heat and mass transfer between a number of
|
||||
phases according the interfacial temperature approximated by the saturation
|
||||
temperature.
|
||||
|
||||
Currently only a single specified specie is considered volatile and changes
|
||||
phase, all other species are considered nonvolatile and do not
|
||||
affect the mass-transfer.
|
||||
|
||||
SourceFiles
|
||||
ThermalPhaseChangePhaseSystem.C
|
||||
|
||||
\*---------------------------------------------------------------------------*/
|
||||
|
||||
#ifndef ThermalPhaseChangePhaseSystem_H
|
||||
#define ThermalPhaseChangePhaseSystem_H
|
||||
|
||||
#include "HeatAndMassTransferPhaseSystem.H"
|
||||
#include "saturationModel.H"
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
namespace Foam
|
||||
{
|
||||
|
||||
/*---------------------------------------------------------------------------*\
|
||||
Class ThermalPhaseChangePhaseSystem Declaration
|
||||
\*---------------------------------------------------------------------------*/
|
||||
|
||||
template<class BasePhaseSystem>
|
||||
class ThermalPhaseChangePhaseSystem
|
||||
:
|
||||
public HeatAndMassTransferPhaseSystem<BasePhaseSystem>
|
||||
{
|
||||
|
||||
protected:
|
||||
|
||||
// Protected data
|
||||
|
||||
//- Name of the volatile specie
|
||||
word volatile_;
|
||||
|
||||
//- The saturation model used to evaluate Tsat = Tf
|
||||
autoPtr<saturationModel> saturationModel_;
|
||||
|
||||
|
||||
public:
|
||||
|
||||
// Constructors
|
||||
|
||||
//- Construct from fvMesh
|
||||
ThermalPhaseChangePhaseSystem(const fvMesh&);
|
||||
|
||||
|
||||
//- Destructor
|
||||
virtual ~ThermalPhaseChangePhaseSystem();
|
||||
|
||||
|
||||
// Member Functions
|
||||
|
||||
//- Return the mass transfer matrices
|
||||
virtual autoPtr<phaseSystem::massTransferTable> massTransfer() const;
|
||||
|
||||
//- Correct the thermodynamics
|
||||
virtual void correctThermo();
|
||||
|
||||
//- Read base phaseProperties dictionary
|
||||
virtual bool read();
|
||||
};
|
||||
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
} // End namespace Foam
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
#ifdef NoRepository
|
||||
# include "ThermalPhaseChangePhaseSystem.C"
|
||||
#endif
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
#endif
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -29,7 +29,8 @@ License
|
||||
#include "twoPhaseSystem.H"
|
||||
#include "MomentumTransferPhaseSystem.H"
|
||||
#include "HeatTransferPhaseSystem.H"
|
||||
#include "HeatAndMassTransferPhaseSystem.H"
|
||||
#include "InterfaceCompositionPhaseChangePhaseSystem.H"
|
||||
#include "ThermalPhaseChangePhaseSystem.H"
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
@ -51,19 +52,35 @@ namespace Foam
|
||||
);
|
||||
|
||||
typedef
|
||||
HeatAndMassTransferPhaseSystem
|
||||
InterfaceCompositionPhaseChangePhaseSystem
|
||||
<
|
||||
MomentumTransferPhaseSystem<twoPhaseSystem>
|
||||
>
|
||||
heatMassAndMomentumTransferTwoPhaseSystem;
|
||||
interfaceCompositionPhaseChangeTwoPhaseSystem;
|
||||
|
||||
addNamedToRunTimeSelectionTable
|
||||
(
|
||||
twoPhaseSystem,
|
||||
heatMassAndMomentumTransferTwoPhaseSystem,
|
||||
interfaceCompositionPhaseChangeTwoPhaseSystem,
|
||||
dictionary,
|
||||
heatMassAndMomentumTransferTwoPhaseSystem
|
||||
interfaceCompositionPhaseChangeTwoPhaseSystem
|
||||
);
|
||||
|
||||
typedef
|
||||
ThermalPhaseChangePhaseSystem
|
||||
<
|
||||
MomentumTransferPhaseSystem<twoPhaseSystem>
|
||||
>
|
||||
thermalPhaseChangeTwoPhaseSystem;
|
||||
|
||||
addNamedToRunTimeSelectionTable
|
||||
(
|
||||
twoPhaseSystem,
|
||||
thermalPhaseChangeTwoPhaseSystem,
|
||||
dictionary,
|
||||
thermalPhaseChangeTwoPhaseSystem
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
|
||||
Loading…
Reference in New Issue
Block a user