The reactive, inelastic and dissociation vibrationally-detailed rate coefficients of the N+O2 collision processes, previously calculated by means of a QCT method, have been interpolated as a function of the initial and final vibrational levels and of the temperature, in the range 1000 – 20000 K. These rates have been implemented in a N2/N/O2/O/NO mixture state-to-state kinetic model. The model has been tested in a couple of applications. The first consists in its time evolution, for 10-3 s, from an equilibrium composition at 4000/3000K towards a new composition obtained by suddenly decreasing the temperature to 1000K. This is a preliminary study that could open the way to a new approach in the investigation of some biomedical applications governed by plasma sources at atmospheric pressure. The second test regards the boundary layer formed around the nose of a hypersonic vehicle in the framework of the fast transportation and space tourism applications.
N+O2(v) collisions: reactive, inelastic and dissociation rates for state-to-state vibrational kinetic models
Armenise I.; Esposito F.
Journal:
Chemical physics (Print) 551 (11-2021),
pp. 111325-1 - 111325-18
Year:
2021
ISTP Authors: Iole Armenise
Fabrizio Esposito
Keywords: rate coefficients interpolation, N+O2(v) collisions, state-to-state vibrational kinetics, N2/N/O2/O/NO mixture
Research Activitie: JOURNAL ARTICLES
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