LangmuirHinshelwoodReactionRate.H

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License
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Class
    Foam::LangmuirHinshelwoodReactionRate
 
Description
    Langmuir-Hinshelwood reaction rate for gaseous reactions on surfaces.
 
    Reference:
    \verbatim
        Hinshelwood, C.N. (1940).
        The Kinetics of Chemical Change.
        Oxford Clarendon Press
    \endverbatim
 
SourceFiles
    LangmuirHinshelwoodReactionRateI.H
 
\*---------------------------------------------------------------------------*/
 
#ifndef LangmuirHinshelwoodReactionRate_H
#define LangmuirHinshelwoodReactionRate_H
 
#include "scalarField.H"
#include "typeInfo.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of friend functions and operators
 
class LangmuirHinshelwoodReactionRate;
 
Ostream& operator<<(Ostream&, const LangmuirHinshelwoodReactionRate&);
 
 
/*---------------------------------------------------------------------------*\
               Class LangmuirHinshelwoodReactionRate Declaration
\*---------------------------------------------------------------------------*/
 
class LangmuirHinshelwoodReactionRate
{
    // Private Data
 
        //- Reactant names
        FixedList<word, 2> reactantNames_;
 
        //- Reactant indices
        FixedList<label, 3> r_;
 
        scalar a_;
        FixedList<scalar, 3> A_;
        FixedList<scalar, 3> Ta_;
        FixedList<scalar, 3> beta_;
        FixedList<scalar, 3> m_;
 
 
public:
 
    // Constructors
 
        //- Construct from dictionary
        inline LangmuirHinshelwoodReactionRate
        (
            const speciesTable& species,
            const dictionary& dict
        );
 
 
    // Member Functions
 
        //- Return the type name
        static word type()
        {
            return "LangmuirHinshelwood";
        }
 
        //- Pre-evaluation hook
        inline void preEvaluate() const;
 
        //- Post-evaluation hook
        inline void postEvaluate() const;
 
        //- Return the rate
        inline scalar operator()
        (
            const scalar p,
            const scalar T,
            const scalarField& c,
            const label li
        ) const;
 
        //- The derivative of the rate w.r.t. temperature
        inline scalar ddT
        (
            const scalar p,
            const scalar T,
            const scalarField& c,
            const label li
        ) const;
 
        //- Is the rate a function of concentration?
        inline bool hasDdc() const;
 
        //- The derivative of the rate w.r.t. concentration
        inline void ddc
        (
            const scalar p,
            const scalar T,
            const scalarField& c,
            const label li,
            scalarField& ddc
        ) const;
 
        //- Write to stream
        inline void write(Ostream& os) const;
 
 
    // Ostream Operator
 
        inline friend Ostream& operator<<
        (
            Ostream&,
            const LangmuirHinshelwoodReactionRate&
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "LangmuirHinshelwoodReactionRateI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //