src/lagrangian/dieselSpray/spraySubModels/breakupModel/SHF/SHF.H

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
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   5     \\  /    A nd           | Copyright (C) 1991-2008 OpenCFD Ltd.
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   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::SHF
  27
  28 Description
  29     Secondary Breakup Model to take account of the different breakup regimes,
  30     bag, molutimode, shear....
  31
  32     Accurate description in
  33     @verbatim
  34     R. Schmehl, G. Maier, S. Witting
  35     "CFD Analysis of Fuel Atomization, Secondary Droplet Breakup and Spray
  36     Dispersion in the Premix Duct of a LPP Combustor".
  37     Eight International Conference on Liquid Atomization and Spray Systems, 2000
  38     @endverbatim
  39
  40 \*---------------------------------------------------------------------------*/
  41
  42 #ifndef SHF_H
  43 #define SHF_H
  44
  45 #include "breakupModel.H"
  46
  47 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  48
  49 namespace Foam
  50 {
  51
  52 /*---------------------------------------------------------------------------*\
  53                            Class SHF Declaration
  54 \*---------------------------------------------------------------------------*/
  55
  56 class SHF
  57 :
  58     public breakupModel
  59 {
  60
  61 private:
  62
  63     // Private data
  64
  65         dictionary coeffsDict_;
  66
  67         // reference to gravity
  68         const vector& g_;
  69
  70         Random& rndGen_;
  71
  72         // model constants
  73
  74         scalar weCorrCoeff_;
  75
  76         scalar weBuCrit_;
  77         scalar weBuBag_;
  78         scalar weBuMM_;
  79
  80         scalar ohnCoeffCrit_;
  81         scalar ohnCoeffBag_;
  82         scalar ohnCoeffMM_;
  83
  84         scalar ohnExpCrit_;
  85         scalar ohnExpBag_;
  86         scalar ohnExpMM_;
  87
  88         scalar cInit_;
  89
  90         scalar c1_;
  91         scalar c2_;
  92         scalar c3_;
  93
  94         scalar cExp1_;
  95         scalar cExp2_;
  96         scalar cExp3_;
  97
  98         scalar weConst_;
  99         scalar weCrit1_;
 100         scalar weCrit2_;
 101
 102         scalar coeffD_;
 103         scalar onExpD_;
 104         scalar weExpD_;
 105
 106         scalar mu_;
 107         scalar sigma_;
 108
 109         scalar d32Coeff_;
 110         scalar cDmaxBM_;
 111         scalar cDmaxS_;
 112
 113         scalar corePerc_;
 114
 115 public:
 116
 117     //- Runtime type information
 118     TypeName("SHF");
 119
 120
 121     // Constructors
 122
 123         //- Construct from components
 124         SHF
 125         (
 126             const dictionary& dict,
 127             spray& sm
 128         );
 129
 130
 131     // Destructor
 132
 133         ~SHF();
 134
 135
 136     // Member Operators
 137
 138         void breakupParcel
 139         (
 140             parcel& parcel,
 141             const scalar deltaT,
 142             const vector& vel,
 143             const liquidMixture& fuels
 144         ) const;
 145
 146 };
 147
 148
 149 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 150
 151 } // End namespace Foam
 152
 153 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 154
 155 #endif
 156
 157 // ************************************************************************* //