definedPressureSwirl.H

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/*---------------------------------------------------------------------------*\
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License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::definedPressureSwirlInjector

Description
    Pressure swirl injector model with user-defined 
    cone-angle/interval vs. time

\*---------------------------------------------------------------------------*/

#ifndef definedPressureSwirlInjector_H
#define definedPressureSwirlInjector_H

#include <dieselSpray/injectorModel.H>
#include <OpenFOAM/scalarList.H>
#include <OpenFOAM/vector.H>


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

namespace Foam
{
/*---------------------------------------------------------------------------*\
                           Class definedPressureSwirlInjector Declaration
\*---------------------------------------------------------------------------*/

class definedPressureSwirlInjector
:
    public injectorModel
{

private:

    // Private data

        typedef VectorSpace<Vector<scalar>, scalar, 2> pair;

        dictionary definedPressureSwirlInjectorDict_;

        List<pair> coneAngle_;
        List<pair> coneInterval_;

        List<pair>  maxKv_;

    // The initial spray angle for the parcels
        mutable scalar angle_;

    // The initial velocity for the parcels
        mutable scalar u_;

    // private member functions

        scalar kv
        (
            const label inj,
            const scalar massFlow,
            const scalar dPressure,
            const scalar t
        ) const;

        scalar deltaPressureInj(const scalar time, const label inj) const;
        scalar averagePressure(const label inj) const;

public:

    //- Runtime type information
        TypeName("definedPressureSwirlInjector");


    // Constructors

        //- Construct from components
        definedPressureSwirlInjector
        (
            const dictionary& dict,
            spray& sm
        );


    // Destructor

        ~definedPressureSwirlInjector();


    // Member Functions

        //- Return the injected droplet diameter
        scalar d0(const label injector, const scalar time) const;

        //- Return the spray angle of the injector
        vector direction
        (
            const label injector,
            const label hole,
            const scalar time,
            const scalar d
        ) const;

        scalar velocity
        (
            const label i,
            const scalar time
        ) const;

        scalar averageVelocity
        (
            const label i
        ) const;


};


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

} // End namespace Foam

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

#endif

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