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

   1 /*---------------------------------------------------------------------------*\
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   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
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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
  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::SHF
  26
  27 Description
  28     Secondary Breakup Model to take account of the different breakup regimes,
  29     bag, molutimode, shear....
  30
  31     Accurate description in
  32     \verbatim
  33     R. Schmehl, G. Maier, S. Witting
  34     "CFD Analysis of Fuel Atomization, Secondary Droplet Breakup and Spray
  35     Dispersion in the Premix Duct of a LPP Combustor".
  36     Eight International Conference on Liquid Atomization and Spray Systems, 2000
  37     \endverbatim
  38
  39 \*---------------------------------------------------------------------------*/
  40
  41 #ifndef SHF_H
  42 #define SHF_H
  43
  44 #include "breakupModel.H"
  45
  46 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  47
  48 namespace Foam
  49 {
  50
  51 /*---------------------------------------------------------------------------*\
  52                            Class SHF Declaration
  53 \*---------------------------------------------------------------------------*/
  54
  55 class SHF
  56 :
  57     public breakupModel
  58 {
  59
  60 private:
  61
  62     // Private data
  63
  64         dictionary coeffsDict_;
  65
  66         // reference to gravity
  67         const vector& g_;
  68
  69         // model constants
  70
  71         scalar weCorrCoeff_;
  72
  73         scalar weBuCrit_;
  74         scalar weBuBag_;
  75         scalar weBuMM_;
  76
  77         scalar ohnCoeffCrit_;
  78         scalar ohnCoeffBag_;
  79         scalar ohnCoeffMM_;
  80
  81         scalar ohnExpCrit_;
  82         scalar ohnExpBag_;
  83         scalar ohnExpMM_;
  84
  85         scalar cInit_;
  86
  87         scalar c1_;
  88         scalar c2_;
  89         scalar c3_;
  90
  91         scalar cExp1_;
  92         scalar cExp2_;
  93         scalar cExp3_;
  94
  95         scalar weConst_;
  96         scalar weCrit1_;
  97         scalar weCrit2_;
  98
  99         scalar coeffD_;
 100         scalar onExpD_;
 101         scalar weExpD_;
 102
 103         scalar mu_;
 104         scalar sigma_;
 105
 106         scalar d32Coeff_;
 107         scalar cDmaxBM_;
 108         scalar cDmaxS_;
 109
 110         scalar corePerc_;
 111
 112
 113 public:
 114
 115     //- Runtime type information
 116     TypeName("SHF");
 117
 118
 119     // Constructors
 120
 121         //- Construct from components
 122         SHF(const dictionary& dict, spray& sm);
 123
 124
 125     //- Destructor
 126     virtual ~SHF();
 127
 128
 129     // Member Operators
 130
 131         void breakupParcel
 132         (
 133             parcel& parcel,
 134             const scalar deltaT,
 135             const vector& vel,
 136             const liquidMixtureProperties& fuels
 137         ) const;
 138 };
 139
 140
 141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 142
 143 } // End namespace Foam
 144
 145 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 146
 147 #endif
 148
 149 // ************************************************************************* //