src/lagrangian/dieselSpray/spraySubModels/evaporationModel/standardEvaporationModel/standardEvaporationModel.H

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by
  13     the Free Software Foundation, either version 3 of the License, or
  14     (at your option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 Class
  25     Foam::standardEvaporationModel
  26
  27 Description
  28     standard evaporation model based on the logarithmic expression
  29     of the ration of pressure differences.
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 #ifndef standardEvaporationModel_H
  34 #define standardEvaporationModel_H
  35
  36 #include "evaporationModel.H"
  37
  38 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  39
  40 namespace Foam
  41 {
  42
  43 /*---------------------------------------------------------------------------*\
  44                   Class standardEvaporationModel Declaration
  45 \*---------------------------------------------------------------------------*/
  46
  47 class standardEvaporationModel
  48 :
  49     public evaporationModel
  50 {
  51
  52 private:
  53
  54     // Private data
  55
  56         dictionary evapDict_;
  57         scalar preReScFactor_;
  58         scalar ReExponent_;
  59         scalar ScExponent_;
  60
  61         word evaporationScheme_;
  62         label nEvapIter_;
  63
  64
  65 public:
  66
  67     //- Runtime type information
  68     TypeName("standardEvaporationModel");
  69
  70
  71     // Constructors
  72
  73         //- Construct from dictionary
  74         standardEvaporationModel(const dictionary& dict);
  75
  76
  77     //- Destructor
  78     virtual ~standardEvaporationModel();
  79
  80
  81     // Member Functions
  82
  83         bool evaporation() const;
  84
  85        //- Correlation for the Sherwood Number
  86         scalar Sh
  87         (
  88             const scalar ReynoldsNumber,
  89             const scalar SchmidtNumber
  90         ) const;
  91
  92         //- Return the evaporation relaxation time
  93         scalar relaxationTime
  94         (
  95             const scalar diameter,
  96             const scalar liquidDensity,
  97             const scalar rhoFuelVapor,
  98             const scalar massDiffusionCoefficient,
  99             const scalar ReynoldsNumber,
 100             const scalar SchmidtNumber,
 101             const scalar Xs,
 102             const scalar Xf,
 103             const scalar m0,
 104             const scalar dm,
 105             const scalar dt
 106         ) const;
 107
 108         scalar boilingTime
 109         (
 110             const scalar liquidDensity,
 111             const scalar cpFuel,
 112             const scalar heatOfVapour,
 113             const scalar kappa,
 114             const scalar Nusselt,
 115             const scalar deltaTemp,
 116             const scalar diameter,
 117             const scalar,
 118             const scalar,
 119             const scalar,
 120             const scalar,
 121             const scalar,
 122             const scalar,
 123             const scalar,
 124             const scalar,
 125             const scalar
 126         ) const;
 127
 128         inline label nEvapIter() const
 129         {
 130             return nEvapIter_;
 131         }
 132
 133 };
 134
 135
 136 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 137
 138 } // End namespace Foam
 139
 140 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 141
 142 #endif
 143
 144 // ************************************************************************* //