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::pressureSwirlInjector 00026 00027 Description 00028 Randomly distribute the parcels between the inner and outer cone angle. 00029 00030 Set inner angle to zero for solid cone. 00031 00032 \*---------------------------------------------------------------------------*/ 00033 00034 #ifndef pressureSwirlInjector_H 00035 #define pressureSwirlInjector_H 00036 00037 #include <dieselSpray/injectorModel.H> 00038 #include <OpenFOAM/scalarList.H> 00039 00040 00041 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00042 00043 namespace Foam 00044 { 00045 /*---------------------------------------------------------------------------*\ 00046 Class pressureSwirlInjector Declaration 00047 \*---------------------------------------------------------------------------*/ 00048 00049 class pressureSwirlInjector 00050 : 00051 public injectorModel 00052 { 00053 00054 private: 00055 00056 // Private data 00057 00058 dictionary pressureSwirlInjectorDict_; 00059 00060 scalarList coneAngle_; 00061 scalarList coneInterval_; 00062 scalarList maxKv_; 00063 00064 // The initial spray angle for the parcels 00065 mutable scalar angle_; 00066 00067 // The initial velocity for the parcels 00068 mutable scalar u_; 00069 00070 // private member functions 00071 00072 scalar kv 00073 ( 00074 const label inj, 00075 const scalar massFlow, 00076 const scalar dPressure 00077 ) const; 00078 00079 scalar deltaPressureInj(const scalar time, const label inj) const; 00080 scalar averagePressure(const label inj) const; 00081 00082 public: 00083 00084 //- Runtime type information 00085 TypeName("pressureSwirlInjector"); 00086 00087 00088 // Constructors 00089 00090 //- Construct from components 00091 pressureSwirlInjector 00092 ( 00093 const dictionary& dict, 00094 spray& sm 00095 ); 00096 00097 00098 // Destructor 00099 00100 ~pressureSwirlInjector(); 00101 00102 00103 // Member Functions 00104 00105 //- Return the injected droplet diameter 00106 scalar d0(const label injector, const scalar time) const; 00107 00108 //- Return the spray angle of the injector 00109 vector direction 00110 ( 00111 const label injector, 00112 const label hole, 00113 const scalar time, 00114 const scalar d 00115 ) const; 00116 00117 scalar velocity 00118 ( 00119 const label i, 00120 const scalar time 00121 ) const; 00122 00123 scalar averageVelocity 00124 ( 00125 const label i 00126 ) const; 00127 00128 00129 }; 00130 00131 00132 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00133 00134 } // End namespace Foam 00135 00136 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00137 00138 #endif 00139 00140 // ************************ vim: set sw=4 sts=4 et: ************************ //
