A refined set of state-to-state dissociation cross sections for the process N + N-2(v,j) --> 3N has been obtained by the quasiclassical trajectory (QCT) method and used in a 1D code describing the expansion of a dissociation-recombination mixture through a converging-diverging nozzle. The relevant vibrational kinetics includes V-V and V-T energy transfers as well as dissociation-recombination processes. The results show strong nonequilibrium vibrational distributions and non-Arrhenius dissociation rates along the nozzle axis as a consequence of the recombination process.
On the Coupling of Vibrational Relaxation with the Dissociation-Recombination Kinetics: From Dynamics to Aerospace Applications.
M Capitelli;G Colonna;
2004
Abstract
A refined set of state-to-state dissociation cross sections for the process N + N-2(v,j) --> 3N has been obtained by the quasiclassical trajectory (QCT) method and used in a 1D code describing the expansion of a dissociation-recombination mixture through a converging-diverging nozzle. The relevant vibrational kinetics includes V-V and V-T energy transfers as well as dissociation-recombination processes. The results show strong nonequilibrium vibrational distributions and non-Arrhenius dissociation rates along the nozzle axis as a consequence of the recombination process.File in questo prodotto:
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Descrizione: vibrational relaxation in dissociation-recombination kinetics
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