00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::saturateEvaporationModel 00026 00027 Description 00028 saturate evaporation model. 00029 Characteristic time is calculated to immediately saturate the cell 00030 It should be mentioned that this is coupled with the (implicit) way 00031 evaporation is done in parcel, since the evaporation time depends 00032 on the integration step 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef saturateEvaporationModel_H 00037 #define saturateEvaporationModel_H 00038 00039 #include <dieselSpray/evaporationModel.H> 00040 00041 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00042 00043 namespace Foam 00044 { 00045 00046 /*---------------------------------------------------------------------------*\ 00047 Class saturateEvaporationModel Declaration 00048 \*---------------------------------------------------------------------------*/ 00049 00050 class saturateEvaporationModel 00051 : 00052 public evaporationModel 00053 { 00054 00055 private: 00056 00057 // Private data 00058 00059 dictionary evapDict_; 00060 00061 public: 00062 00063 //- Runtime type information 00064 TypeName("saturateEvaporationModel"); 00065 00066 00067 // Constructors 00068 00069 //- Construct from dictionary 00070 saturateEvaporationModel 00071 ( 00072 const dictionary& dict 00073 ); 00074 00075 00076 // Destructor 00077 00078 ~saturateEvaporationModel(); 00079 00080 00081 // Member Functions 00082 00083 bool evaporation() const; 00084 00085 //- Correlation for the Sherwood Number 00086 scalar Sh 00087 ( 00088 const scalar ReynoldsNumber, 00089 const scalar SchmidtNumber 00090 ) const; 00091 00092 //- Return the evaporation relaxation time 00093 scalar relaxationTime 00094 ( 00095 const scalar diameter, 00096 const scalar liquidDensity, 00097 const scalar rhoFuelVapor, 00098 const scalar massDiffusionCoefficient, 00099 const scalar ReynoldsNumber, 00100 const scalar SchmidtNumber, 00101 const scalar Xs, 00102 const scalar Xf, 00103 const scalar m0, 00104 const scalar dm, 00105 const scalar dt 00106 ) const; 00107 00108 scalar boilingTime 00109 ( 00110 const scalar liquidDensity, 00111 const scalar cpFuel, 00112 const scalar heatOfVapour, 00113 const scalar kappa, 00114 const scalar Nusselt, 00115 const scalar deltaTemp, 00116 const scalar diameter, 00117 const scalar, 00118 const scalar, 00119 const scalar, 00120 const scalar, 00121 const scalar, 00122 const scalar, 00123 const scalar, 00124 const scalar, 00125 const scalar 00126 ) const; 00127 00128 inline label nEvapIter() const; 00129 }; 00130 00131 00132 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00133 00134 } // End namespace Foam 00135 00136 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00137 00138 #endif 00139 00140 // ************************ vim: set sw=4 sts=4 et: ************************ //
