Abstract
Abstract The role of vibrationally excited species in combustion chemistry is investigated computationally. Such participation depends on the competition between vibrationally induced chemistry and vibrational relaxation for vibrational quanta. A vibrational nonequilibrium model for the reaction of hydrogen and oxygen in a heated (isothermal) vessel is developed. The model includes state specific reaction rate coefficients for important chain-branching reactions and related vibrational relaxation mechanisms. The model is used for semiquantitative evaluations of the effect of vibrationally excited hydrogen and oxygen on combustion processes. It is concluded that detailed knowledge of state specific chemistry is not required in combustion modeling.
Published Version
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