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pressureSwirlInjector.H

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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 // ************************************************************************* //
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