Abstract

3P) atoms production is equal to 6.3 eV/atom, and the fraction of discharge energy spent to the fast gas heating during 20 nanoseconds after the discharge, reaches 25 %. Also the results of numerical investigation of the plasmachemical processes for the experimental conditions of [Montello A. et al. // 43rd AIAA Plasmadynamics and Lasers Conference. AIAA-2012-3180 ] in air at P = 100 Torr and T0 = 300 К are presented. The calculation results of the temporal evolution of E/N, population of N2(v = 1-8) vibrational levels and fast gas heating in the axial discharge region agree with the measurements. In this discharge, the energy is mainly deposited at electric fields E/N = 70 - 150 Td, and the maximum specific energy input amounts to W = 0.22 eV/mol.

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