DahnekeInterpolation.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2019-2025 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::diameterModels::coalescenceModels::DahnekeInterpolation
 
Description
    Interpolation formula of Dahneke (1983) as presented by Otto et al. (1999).
    Utilises collisional diameters.
 
    References:
    \verbatim
        Dahneke, B. (1983).
        Simple kinetic theory of Brownian diffusion in vapors and aerosols.
        In Theory of dispersed multiphase flow (pp. 97-133). Academic Press.
    \endverbatim
 
    \verbatim
        Otto, E., Fissan, H., Park, S. H., & Lee, K. W. (1999).
        The log-normal size distribution theory of Brownian aerosol coagulation
        for the entire particle size range: part II—analytical solution using
        Dahneke’s coagulation kernel.
        Journal of aerosol science, 30(1), 17-34.
    \endverbatim
 
SourceFiles
    DahnekeInterpolation.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef DahnekeInterpolation_H
#define DahnekeInterpolation_H
 
#include "coalescenceModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
namespace coalescenceModels
{
 
class BrownianCollisions;
class ballisticCollisions;
 
/*---------------------------------------------------------------------------*\
                    Class DahnekeInterpolation Declaration
\*---------------------------------------------------------------------------*/
 
class DahnekeInterpolation
:
    public coalescenceModel
{
    // Private Data
 
        //- Model for coagulation due to Brownian collisions
        autoPtr<BrownianCollisions> Brownian_;
 
        //- Rate for coagulation due to Brownian collisions
        volScalarField::Internal BrownianRate_;
 
        //- Model for coagulation due to ballistic collisions
        autoPtr<ballisticCollisions> ballistic_;
 
        //- Rate for coagulation due to ballistic collisions
        volScalarField::Internal ballisticRate_;
 
 
public:
 
    //- Runtime type information
    TypeName("DahnekeInterpolation");
 
    // Constructor
 
        DahnekeInterpolation
        (
            const populationBalanceModel& popBal,
            const dictionary& dict
        );
 
 
    //- Destructor
    virtual ~DahnekeInterpolation()
    {}
 
 
    // Member Functions
 
        //- Precompute diameter independent expressions
        virtual void precompute();
 
        //- Add to coalescenceRate
        virtual void addToCoalescenceRate
        (
            volScalarField::Internal& coalescenceRate,
            const label i,
            const label j
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace coalescenceModels
} // End namespace diameterModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //