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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2008-2010 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
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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
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Class
Foam::ReactingMultiphaseParcel
Description
Multiphase variant of the reacting parcel class with one/two-way coupling
with the continuous phase.
SourceFiles
ReactingMultiphaseParcelI.H
ReactingMultiphaseParcel.C
ReactingMultiphaseParcelIO.C
\*---------------------------------------------------------------------------*/
#ifndef ReactingMultiphaseParcel_H
#define ReactingMultiphaseParcel_H
#include <lagrangianIntermediate/ReactingParcel_.H>
#include <lagrangianIntermediate/ReactingMultiphaseCloud_.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
template<class ParcelType>
class ReactingMultiphaseParcel;
template<class ParcelType>
Ostream& operator<<
(
Ostream&,
const ReactingMultiphaseParcel<ParcelType>&
);
/*---------------------------------------------------------------------------*\
Class ReactingMultiphaseParcel Declaration
\*---------------------------------------------------------------------------*/
template<class ParcelType>
class ReactingMultiphaseParcel
:
public ReactingParcel<ParcelType>
{
public:
// IDs of phases in ReacingParcel phase list (Y)
static const label GAS;
static const label LIQ;
static const label SLD;
//- Class to hold reacting multiphase particle constant properties
class constantProperties
:
public ReactingParcel<ParcelType>::constantProperties
{
// Private data
//- Latent heat of devolatilisation [J/kg]
const scalar LDevol_;
//- Fraction of enthalpy retained by parcel due to surface
// reactions
scalar hRetentionCoeff_;
public:
//- Constructor
constantProperties(const dictionary& parentDict);
// Access
//- Return const access to the latent heat of devolatilisation
inline scalar LDevol() const;
//- Return const access to the fraction of enthalpy retained by
// parcel due to surface reactions
inline scalar hRetentionCoeff() const;
};
//- Class used to pass reacting tracking data to the trackToFace function
class trackData
:
public ReactingParcel<ParcelType>::trackData
{
// Private data
//- Reference to the cloud containing this particle
ReactingMultiphaseCloud<ParcelType>& cloud_;
//- Particle constant properties
const constantProperties& constProps_;
public:
// Constructors
//- Construct from components
inline trackData
(
ReactingMultiphaseCloud<ParcelType>& cloud,
const constantProperties& constProps,
const interpolation<scalar>& rhoInterp,
const interpolation<vector>& UInterp,
const interpolation<scalar>& muInterp,
const interpolation<scalar>& TInterp,
const interpolation<scalar>& CpInterp,
const interpolation<scalar>& pInterp,
const vector& g
);
// Member functions
//- Return access to the owner cloud
inline ReactingMultiphaseCloud<ParcelType>& cloud();
//- Return const access to the constant properties
inline const constantProperties& constProps() const;
};
private:
// Private member functions
//- Return the mixture effective specific heat capacity
template<class TrackData>
scalar cpEff
(
TrackData& td,
const scalar p,
const scalar T,
const label idG,
const label idL,
const label idS
) const;
//- Return the mixture effective enthalpy
template<class TrackData>
scalar HEff
(
TrackData& td,
const scalar p,
const scalar T,
const label idG,
const label idL,
const label idS
) const;
//- Return the mixture effective latent heat
template<class TrackData>
scalar LEff
(
TrackData& td,
const scalar p,
const scalar T,
const label idG,
const label idL,
const label idS
) const;
//- Update the mass fractions (Y, YGas, YLiquid, YSolid)
scalar updateMassFractions
(
const scalar mass0,
const scalarField& dMassGas,
const scalarField& dMassLiquid,
const scalarField& dMassSolid
);
protected:
// Protected data
// Parcel properties
//- Mass fractions of gases []
scalarField YGas_;
//- Mass fractions of liquids []
scalarField YLiquid_;
//- Mass fractions of solids []
scalarField YSolid_;
//- Flag to say that the particle is allowed to combust
// Only true after volatile content falls below threshold value
bool canCombust_;
// Protected member functions
//- Calculate Devolatilisation
template<class TrackData>
void calcDevolatilisation
(
TrackData& td,
const scalar dt, // timestep
const scalar Ts, // Surface temperature
const scalar d, // diameter
const scalar T, // temperature
const scalar mass, // mass
const scalar mass0, // mass (initial on injection)
const label idVolatile, // id of volatile phase
const scalar YVolatileTot, // total volatile mass fraction
const scalarField& YVolatile, // volatile component mass fractions
bool& canCombust, // 'can combust' flag
scalarField& dMassDV, // mass transfer - local to particle
scalar& Sh, // explicit particle enthalpy source
scalar& N, // flux of species emitted from particle
scalar& NCpW, // sum of N*Cp*W of emission species
scalarField& Cs // carrier conc. of emission species
) const;
//- Calculate surface reactions
template<class TrackData>
void calcSurfaceReactions
(
TrackData& td,
const scalar dt, // timestep
const label cellI, // owner cell
const scalar d, // diameter
const scalar T, // temperature
const scalar mass, // mass
const bool canCombust, // 'can combust' flag
const scalar N, // flux of species emitted from particle
const scalarField& YMix, // mixture mass fractions
const scalarField& YGas, // gas-phase mass fractions
const scalarField& YLiquid,// liquid-phase mass fractions
const scalarField& YSolid, // solid-phase mass fractions
scalarField& dMassSRGas, // gas-phase mass transfer - local
scalarField& dMassSRLiquid,// liquid-phase mass transfer - local
scalarField& dMassSRSolid, // solid-phase mass transfer - local
scalarField& dMassSRCarrier, // carrier phase mass transfer
scalar& Sh, // explicit particle enthalpy source
scalar& dhsTrans // sensible enthalpy transfer to carrier
) const;
public:
// Static data members
//- String representation of properties
static string propHeader;
//- Runtime type information
TypeName("ReactingMultiphaseParcel");
friend class Cloud<ParcelType>;
// Constructors
//- Construct from owner, position, and cloud owner
// Other properties initialised as null
inline ReactingMultiphaseParcel
(
ReactingMultiphaseCloud<ParcelType>& owner,
const vector& position,
const label cellI
);
//- Construct from components
inline ReactingMultiphaseParcel
(
ReactingMultiphaseCloud<ParcelType>& owner,
const vector& position,
const label cellI,
const label typeId,
const scalar nParticle0,
const scalar d0,
const vector& U0,
const scalarField& Y0,
const scalarField& YGas0,
const scalarField& YLiquid0,
const scalarField& YSolid0,
const constantProperties& constProps
);
//- Construct from Istream
ReactingMultiphaseParcel
(
const Cloud<ParcelType>& c,
Istream& is,
bool readFields = true
);
//- Construct as a copy
ReactingMultiphaseParcel(const ReactingMultiphaseParcel& p);
//- Construct and return a clone
autoPtr<ReactingMultiphaseParcel> clone() const
{
return
autoPtr<ReactingMultiphaseParcel>
(
new ReactingMultiphaseParcel(*this)
);
}
// Member Functions
// Access
//- Return const access to mass fractions of gases
inline const scalarField& YGas() const;
//- Return const access to mass fractions of liquids
inline const scalarField& YLiquid() const;
//- Return const access to mass fractions of solids
inline const scalarField& YSolid() const;
//- Return const access to the canCombust flag
inline bool canCombust() const;
// Edit
//- Return access to mass fractions of gases
inline scalarField& YGas();
//- Return access to mass fractions of liquids
inline scalarField& YLiquid();
//- Return access to mass fractions of solids
inline scalarField& YSolid();
//- Return access to the canCombust flag
inline bool& canCombust();
// Main calculation loop
//- Set cell values
template<class TrackData>
void setCellValues
(
TrackData& td,
const scalar dt,
const label cellI
);
//- Correct cell values using latest transfer information
template<class TrackData>
void cellValueSourceCorrection
(
TrackData& td,
const scalar dt,
const label cellI
);
//- Update parcel properties over the time interval
template<class TrackData>
void calc
(
TrackData& td,
const scalar dt,
const label cellI
);
// I-O
//- Read
static void readFields(Cloud<ParcelType>& c);
//- Write
static void writeFields(const Cloud<ParcelType>& c);
// Ostream Operator
friend Ostream& operator<< <ParcelType>
(
Ostream&,
const ReactingMultiphaseParcel<ParcelType>&
);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "ReactingMultiphaseParcelI.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "ReactingMultiphaseParcel.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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