reaction_defs.h

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/**
 *  @file reaction_defs.h
 * This file defines some constants used to specify reaction types.
 *
 * @deprecated To be removed after Cantera 2.6.
 */
 
// This file is part of Cantera. See License.txt in the top-level directory or
// at https://cantera.org/license.txt for license and copyright information.
 
#ifndef CT_RXN_DEFS_H
#define CT_RXN_DEFS_H
 
#include "cantera/base/ct_defs.h"
 
namespace Cantera
{
 
const int INVALID_RXN = 0;
const int NONE = 0;
 
/// @name Reaction Types
 
//! @{
 
//! A reaction with a rate coefficient that depends only on temperature and voltage
//! that also obeys mass-action kinetics.
/*!
 *  Here mass-action kinetics is defined as the reaction orders being equal to
 *  the reaction's stoichiometry.
 *
 * temperature. Example: O + OH <-> O2 + H
 */
const int ELEMENTARY_RXN = 1;
 
/**
 * A gas-phase reaction that requires a third-body collision partner. Example:
 * O2 + M <-> O + O + M
 */
const int THREE_BODY_RXN = 2;
 
/**
 * The general form for a gas-phase association or dissociation reaction, with a
 * pressure-dependent rate. Example: CH3 + H (+M) <-> CH4 (+M)
 */
const int FALLOFF_RXN = 4;
 
/**
 * A pressure-dependent rate expression consisting of several Arrhenius rate
 * expressions evaluated at different pressures. The final rate is calculated
 * by logarithmically interpolating between the two rates that bracket the
 * current pressure.
 */
const int PLOG_RXN = 5;
 
/**
 * A general gas-phase pressure-dependent reaction where k(T,P) is defined in
 * terms of a bivariate Chebyshev polynomial.
 */
const int CHEBYSHEV_RXN = 6;
 
/**
 * A chemical activation reaction. For these reactions, the rate falls
 * off as the pressure increases, due to collisional stabilization of
 * a reaction intermediate. Example: Si + SiH4 (+M) <-> Si2H2 + H2
 * (+M), which competes with Si + SiH4 (+M) <-> Si2H4 (+M).
 */
const int CHEMACT_RXN = 8;
 
/**
 * A reaction occurring on a surface.
 *  NOTE: This is a bit ambiguous, and will be taken out in the future
 *        The dimensionality of the interface is a separate concept from the type
 *        of the reaction.
 */
const int SURFACE_RXN = 20;
 
//! A reaction occurring on an interface, e.g a surface or edge.
const int INTERFACE_RXN = 20;
 
//! @}
}
 
#endif