absoluteEnthalpy.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
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
 
// ************************************************************************* //