Collisional-radiative modelling of quasi-thermal air plasmas with electronic temperatures between 2000 and 13,000 K—II. 2000 K⩽Θe⩽4000 K

Calculation of Photo-Ionisation Cross Sections and Radiative Recombination Rate Coefficients for CO and CO+Molecules

“…Indeed, these processes make it possible to highlight the possible presence of departures from radiative equilibrium. In previous works performed in our laboratory for nitrogen [21] , oxygen [22] and air [20,23,24] , it has been established that some atomic or molecular electronic states are under populated due to radiation losses (in these previous studies, radiative recombination rate coefficients for N 2 , O 2 and NO molecules were calculated, as in the present work, in the frame of the Weighted Total Cross Section (WTCS) theory [25] ). Thus, it is indispensable to include radiative processes in the kinetic scheme of CR models in order to obtain reliable results.…”

Nonequilibrium ionization phenomena behind shock waves

“…The modifications suggested by Sarrette et al [10] are introduced to account for pre-dissociation of some electronic states of O 2 and NO in the calculation of the dissociation rate coefficients.The cross section for excitation of molecules involved in molecular or atomic impact behaves approximately as explained by Lotz [11]. Therefore, this model has been adopted, except when experimental data exist.…”