thermophysicalProperties.H

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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
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    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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Class
    Foam::thermophysicalProperties
 
Description
    Base-class for thermophysical properties of solids, liquids and gases
    providing an interface compatible with the templated thermodynamics
    packages.
 
SourceFiles
    thermophysicalPropertiesI.H
    thermophysicalProperties.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef thermophysicalProperties_H
#define thermophysicalProperties_H
 
#include "dictionary.H"
#include "runTimeSelectionTables.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of friend functions and operators
class thermophysicalProperties;
Ostream& operator<<(Ostream& os, const thermophysicalProperties& l);
 
/*---------------------------------------------------------------------------*\
                  Class thermophysicalProperties Declaration
\*---------------------------------------------------------------------------*/
 
class thermophysicalProperties
{
    // Private Data
 
        //- Molecular weight [kg/kmol]
        scalar W_;
 
 
public:
 
    TypeName("thermophysicalProperties");
 
 
    // Declare run-time constructor selection tables
 
        declareRunTimeSelectionTable
        (
            autoPtr,
            thermophysicalProperties,
            ,
            (),
            ()
        );
 
        declareRunTimeSelectionTable
        (
            autoPtr,
            thermophysicalProperties,
            dictionary,
            (const dictionary& dict),
            (dict)
        );
 
 
    // Constructors
 
        //- Construct from molecular weight
        thermophysicalProperties(scalar W);
 
        //- Construct from dictionary
        thermophysicalProperties(const dictionary& dict);
 
 
    // Selectors
 
        //- Return a pointer to a new thermophysicalProperties created from name
        static autoPtr<thermophysicalProperties> New(const word& name);
 
        //- Return a pointer to a new thermophysicalProperties
        //  created from dictionary
        static autoPtr<thermophysicalProperties> New(const dictionary& dict);
 
 
    //- Destructor
    virtual ~thermophysicalProperties()
    {}
 
 
    // Member Functions
 
        //- Return the name of the liquid
        virtual const word& name() const = 0;
 
 
        // Physical constants which define the specie
 
            //- Molecular weight [kg/kmol]
            inline scalar W() const;
 
            //- Limit the temperature to be in the range Tlow_ to Thigh_
            inline scalar limit(const scalar T) const;
 
 
        // Fundamental equation of state properties
 
            //- Liquid density [kg/m^3]
            virtual scalar rho(scalar p, scalar T) const = 0;
 
            //- Liquid compressibility [s^2/m^2]
            //  Note: currently it is assumed the liquid is incompressible
            virtual scalar psi(scalar p, scalar T) const = 0;
 
            //- Return (Cp - Cv) [J/(kg K]
            //  Note: currently it is assumed the liquid is incompressible
            //  so CpMCv 0
            virtual scalar CpMCv(scalar p, scalar T) const = 0;
 
 
        // Fundamental thermodynamic properties
 
            //- Heat capacity at constant pressure [J/kg/K]
            virtual scalar Cp(const scalar p, const scalar T) const = 0;
 
            //- Sensible enthalpy [J/kg]
            virtual scalar Hs(const scalar p, const scalar T) const = 0;
 
            //- Enthalpy of formation [J/kg]
            virtual scalar Hf() const = 0;
 
            //- Absolute enthalpy [J/kg]
            virtual scalar Ha(const scalar p, const scalar T) const = 0;
 
            // Entropy [J/kg/K]
            virtual scalar S(const scalar p, const scalar T) const = 0;
 
 
        // Physical properties
 
            //- Liquid viscosity [Pa s]
            virtual scalar mu(scalar p, scalar T) const = 0;
 
            //- Liquid thermal conductivity  [W/m/K]
            virtual scalar kappa(scalar p, scalar T) const = 0;
 
 
    // I-O
 
        //- Read and set the properties present it the given dictionary
        void readIfPresent(const dictionary& dict);
 
        //- Write the function coefficients
        virtual void write(Ostream& os) const = 0;
 
        //- Ostream Operator
        friend Ostream& operator<<
        (
            Ostream& os,
            const thermophysicalProperties& l
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "thermophysicalPropertiesI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //