INVESTIGATION OF SUPERSONIC AIR PLASMA JET PRODUCED IN THE VKI PLASMATRON FACILITY
Résumé
Thermodynamic characterization of a supersonic air plasma jet produced in the VKI Plasmatron facility is presented. Plasma flow regimes corresponding to underexpanded and highly underexpanded situations are investigated by means of Optical Emission Spectroscopy (OES) technique. Several diagnostics are presented using both molecular and atomic radiative contributions. Electron density, excitational energy distribution and molecular spectra fitting are presented.
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