NSRDS2ThermophysicalFunction.H

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Class
    Foam::thermophysicalFunctions::NSRDS2

Description
    NSRDS function number 102

    Source:
    \verbatim
                      NSRDS - AICHE
                 Data Compilation Tables
                    of Properties of
                     Pure Compounds

        Design Institute for Physical Property Data
          American Institute of Chemical Engineers
                  345 East 47th Street
                New York, New York 10017

         National Standard Reference Data System
         American Institute of Chemical Engineers

          T.E. Daubert       -       R.P. Danner

            Department of Chemical Engineering
            The Pennsylvania State University
                University Park, PA 16802
    \endverbatim

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

#ifndef NSRDS2ThermophysicalFunction_H
#define NSRDS2ThermophysicalFunction_H

#include "thermophysicalFunction.H"

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

namespace Foam
{
namespace thermophysicalFunctions
{

/*---------------------------------------------------------------------------*\
                           Class NSRDS2 Declaration
\*---------------------------------------------------------------------------*/

class NSRDS2
:
    public thermophysicalFunction
{
    // Private Data

        // NSRDS function 102 coefficients
        scalar a_, b_, c_, d_;


public:

    //- Runtime type information
    TypeName("NSRDS2");


    // Constructors

        //- Construct from components
        NSRDS2
        (
            const scalar a,
            const scalar b,
            const scalar c,
            const scalar d
        );

        //- Construct from dictionary
        NSRDS2(const dictionary& dict);


    // Member Functions

        //- Evaluate the function and return the result
        scalar f(scalar, scalar T) const
        {
            return a_*pow(T, b_)/(1.0 + c_/T + d_/sqr(T));
        }

        using thermophysicalFunction::write;

        //- Write the function coefficients
        virtual void write(Ostream& os) const;
};


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

} // End namespace thermophysicalFunctions
} // End namespace Foam

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

#endif

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