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00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2005 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 the 00013 Free Software Foundation; either version 2 of the License, or (at your 00014 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, write to the Free Software Foundation, 00023 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00024 00025 Class 00026 pressureSwirlInjector 00027 00028 Description 00029 00030 Randomly distribute the parcels between the inner- 00031 and outer cone angle. 00032 Set inner angle to zero for solid cone. 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef pressureSwirlInjector_H 00037 #define pressureSwirlInjector_H 00038 00039 #include "injectorModel.H" 00040 #include "scalarList.H" 00041 00042 00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00044 00045 namespace Foam 00046 { 00047 /*---------------------------------------------------------------------------*\ 00048 Class pressureSwirlInjector Declaration 00049 \*---------------------------------------------------------------------------*/ 00050 00051 class pressureSwirlInjector 00052 : 00053 public injectorModel 00054 { 00055 00056 private: 00057 00058 // Private data 00059 00060 dictionary pressureSwirlInjectorDict_; 00061 00062 scalarList coneAngle_; 00063 scalarList coneInterval_; 00064 scalarList maxKv_; 00065 00066 // The initial spray angle for the parcels 00067 mutable scalar angle_; 00068 00069 // The initial velocity for the parcels 00070 mutable scalar u_; 00071 00072 // two perpendicular vectors, perpendicular to injection direction 00073 List<vector> tan1_; 00074 List<vector> tan2_; 00075 00076 // private member functions 00077 00078 scalar kv 00079 ( 00080 const label inj, 00081 const scalar massFlow, 00082 const scalar dPressure 00083 ) const; 00084 00085 scalar deltaPressureInj(const scalar time, const label inj) const; 00086 scalar averagePressure(const label inj) const; 00087 00088 public: 00089 00090 //- Runtime type information 00091 TypeName("pressureSwirlInjector"); 00092 00093 00094 // Constructors 00095 00096 //- Construct from components 00097 pressureSwirlInjector 00098 ( 00099 const dictionary& dict, 00100 spray& sm 00101 ); 00102 00103 00104 // Destructor 00105 00106 ~pressureSwirlInjector(); 00107 00108 00109 // Member Functions 00110 00111 //- Return the injected droplet diameter 00112 scalar d0(const label injector, const scalar time) const; 00113 00114 //- Return the spray angle of the injector 00115 vector direction 00116 ( 00117 const label injector, 00118 const scalar time, 00119 const scalar d 00120 ) const; 00121 00122 scalar velocity 00123 ( 00124 const label i, 00125 const scalar time 00126 ) const; 00127 00128 scalar averageVelocity 00129 ( 00130 const label i 00131 ) const; 00132 00133 00134 }; 00135 00136 00137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00138 00139 } // End namespace Foam 00140 00141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00142 00143 #endif 00144 00145 // ************************************************************************* //