1 /*---------------------------------------------------------------------------*\
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5 \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
7 -------------------------------------------------------------------------------
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25 Foam::blobsSwirlInjector
28 Model for parcels injection in pressure Swirl Atomizers.
30 Accurate description in:
32 Z. Han, S. Parrish, P.V. Farrell, R.D. Reitz
33 "Modeling Atomization Processes Of Pressure
34 Swirl Hollow-Cone Fuel Sprays"
35 Atomization and Sprays, vol. 7, pp. 663-684, 1997
39 L. Allocca, G. Bella, A. De Vita, L. Di Angelo
40 "Experimental Validation of a GDI Spray Model"
41 SAE Technical Paper Series, 2002-01-1137
44 \*---------------------------------------------------------------------------*/
46 #ifndef blobsSwirlInjector_H
47 #define blobsSwirlInjector_H
49 #include "injectorModel.H"
50 #include "scalarList.H"
53 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
58 /*---------------------------------------------------------------------------*\
59 Class blobsSwirlInjector Declaration
60 \*---------------------------------------------------------------------------*/
62 class blobsSwirlInjector
71 dictionary blobsSwirlInjectorDict_;
73 scalarList coneAngle_;
74 scalarList coneInterval_;
80 //- Initial spray angle for the parcels
81 mutable scalar angle_;
83 //- Initial velocity for the parcels
86 //- Orifice-air cone area ratio
89 //- Initial sheet tickness
93 // Private Member Functions
95 scalar kv(const label inj) const;
97 scalar deltaPressureInj(const scalar time, const label inj) const;
98 scalar averagePressure(const label inj) const;
103 const scalar massFlow,
104 const scalar dPressure,
111 //- Runtime type information
112 TypeName("blobsSwirlInjector");
117 //- Construct from components
118 blobsSwirlInjector(const dictionary& dict, spray& sm);
122 virtual ~blobsSwirlInjector();
127 //- Return the injected droplet diameter
128 scalar d0(const label injector, const scalar time) const;
130 //- Return the spray angle of the injector
133 const label injector,
145 scalar averageVelocity
152 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
154 } // End namespace Foam
156 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
160 // ************************************************************************* //