SEARCH Articles Figures Tables Chemical source term reaction-progress variables Competitive-consecutive reactions reaction-progress variables General formulation reaction-progress variables Multiple reaction-progress variables Overall reaction progress variable Parallel reactions reaction-progress variables Progress variable Reaction progress Reaction progress variable conversion Reaction progress variable definition Reaction progress variable kinetic path Reaction variable Reaction-progress variables conditional Reaction-progress variables filtered Reaction-progress variables initial/inlet conditions Reaction-progress variables simple chemistry Reaction-progress variables transport equation Single reaction-progress variable Stoichiometric Coefficients and Reaction Progress Variables The Extent of Reaction or Progress Variable