absoluteEnthalpy.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
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License
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Class
    Foam::absoluteEnthalpy

Description
    Thermodynamics mapping class to expose the absolute enthalpy function
    as the standard enthalpy function h(T).

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

#ifndef absoluteEnthalpy_H
#define absoluteEnthalpy_H

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                       Class absoluteEnthalpy Declaration
\*---------------------------------------------------------------------------*/

template<class Thermo>
class absoluteEnthalpy
{

public:

    // Constructors

        //- Construct
        absoluteEnthalpy()
        {}


    // Member Functions

        //- Return the instantiated type name
        static word typeName()
        {
            return "absoluteEnthalpy";
        }

        // Fundamental properties

            static word name()
            {
                return "ha";
            }

            // Absolute enthalpy [J/kmol]
            scalar he
            (
                const Thermo& thermo,
                const scalar p,
                const scalar T
            ) const
            {
                return thermo.ha(p, T);
            }

            // Heat capacity at constant pressure [J/(kmol K)]
            scalar cpv
            (
                const Thermo& thermo,
                const scalar p,
                const scalar T
            ) const
            {
                return thermo.cp(p, T);
            }

            //- cp/cp []
            scalar cpBycpv
            (
                const Thermo& thermo,
                const scalar p,
                const scalar T
            ) const
            {
                return 1;
            }

            // Absolute enthalpy [J/kg]
            scalar HE
            (
                const Thermo& thermo,
                const scalar p,
                const scalar T
            ) const
            {
                return thermo.Ha(p, T);
            }

            //- Temperature from absolute enthalpy
            //  given an initial temperature T0
            scalar THE
            (
                const Thermo& thermo,
                const scalar h,
                const scalar p,
                const scalar T0
            ) const
            {
                return thermo.THa(h, p, T0);
            }
};


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

} // End namespace Foam

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

#endif

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