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) 1991-2009 OpenCFD Ltd.
   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 the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     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, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Class
  26     Foam::standardEvaporationModel
  27
  28 Description
  29     standard evaporation model based on the logarithmic expression
  30     of the ration of pressure differences.
  31
  32 \*---------------------------------------------------------------------------*/
  33
  34 #ifndef standardEvaporationModel_H
  35 #define standardEvaporationModel_H
  36
  37 #include "evaporationModel.H"
  38
  39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  40
  41 namespace Foam
  42 {
  43
  44 /*---------------------------------------------------------------------------*\
  45                            Class standardEvaporationModel Declaration
  46 \*---------------------------------------------------------------------------*/
  47
  48 class standardEvaporationModel
  49 :
  50     public evaporationModel
  51 {
  52
  53 private:
  54
  55     // Private data
  56
  57         dictionary evapDict_;
  58         scalar preReScFactor_;
  59         scalar ReExponent_;
  60         scalar ScExponent_;
  61
  62         word evaporationScheme_;
  63         label nEvapIter_;
  64
  65
  66 public:
  67
  68     //- Runtime type information
  69         TypeName("standardEvaporationModel");
  70
  71
  72     // Constructors
  73
  74         //- Construct from dictionary
  75         standardEvaporationModel
  76         (
  77             const dictionary& dict
  78         );
  79
  80
  81     // Destructor
  82
  83         ~standardEvaporationModel();
  84
  85
  86     // Member Functions
  87
  88         bool evaporation() const;
  89
  90        //- Correlation for the Sherwood Number
  91         scalar Sh
  92         (
  93             const scalar ReynoldsNumber,
  94             const scalar SchmidtNumber
  95         ) const;
  96
  97         //- Return the evaporation relaxation time
  98         scalar relaxationTime
  99         (
 100             const scalar diameter,
 101             const scalar liquidDensity,
 102             const scalar rhoFuelVapor,
 103             const scalar massDiffusionCoefficient,
 104             const scalar ReynoldsNumber,
 105             const scalar SchmidtNumber,
 106             const scalar Xs,
 107             const scalar Xf,
 108             const scalar m0,
 109             const scalar dm,
 110             const scalar dt
 111         ) const;
 112
 113         scalar boilingTime
 114         (
 115             const scalar liquidDensity,
 116             const scalar cpFuel,
 117             const scalar heatOfVapour,
 118             const scalar kappa,
 119             const scalar Nusselt,
 120             const scalar deltaTemp,
 121             const scalar diameter,
 122             const scalar,
 123             const scalar,
 124             const scalar,
 125             const scalar,
 126             const scalar,
 127             const scalar,
 128             const scalar,
 129             const scalar,
 130             const scalar
 131         ) const;
 132
 133         inline label nEvapIter() const;
 134 };
 135
 136
 137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 138
 139 } // End namespace Foam
 140
 141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 142
 143 #endif
 144
 145 // ************************************************************************* //