NSRDSfunc1.H

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    Copyright (C) 2011-2017 OpenFOAM Foundation
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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
    (at your option) any later version.
 
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Class
    Foam::NSRDSfunc1
 
Description
    NSRDS function number 101
 
    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 NSRDSfunc1_H
#define NSRDSfunc1_H
 
#include "thermophysicalFunction.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class NSRDSfunc1 Declaration
\*---------------------------------------------------------------------------*/
 
class NSRDSfunc1
:
    public thermophysicalFunction
{
    // Private data
 
        // NSRDS function 101 coefficients
        scalar a_, b_, c_, d_, e_;
 
 
public:
 
    //- Runtime type information
    TypeName("NSRDSfunc1");
 
 
    // Constructors
 
        //- Construct from components
        NSRDSfunc1
        (
            const scalar a,
            const scalar b,
            const scalar c,
            const scalar d,
            const scalar e
        );
 
        //- Construct from dictionary
        NSRDSfunc1(const dictionary& dict);
 
 
    // Member Functions
 
        //- Evaluate the function and return the result
        scalar f(scalar, scalar T) const
        {
            return exp(a_ + b_/T + c_*log(T) + d_*pow(T, e_));
        }
 
        //- Write the function coefficients
        void writeData(Ostream& os) const
        {
            os  << a_ << token::SPACE
                << b_ << token::SPACE
                << c_ << token::SPACE
                << d_ << token::SPACE
                << e_;
        }
 
 
    // Ostream Operator
 
        friend Ostream& operator<<(Ostream& os, const NSRDSfunc1& f)
        {
            f.writeData(os);
            return os;
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //