Fast gas heating and kinetics of electronically excited states in a nanosecond capillary discharge in CO2 - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Plasma Sources Science and Technology Année : 2022

Fast gas heating and kinetics of electronically excited states in a nanosecond capillary discharge in CO2

Résumé

Fast gas heating in a pulsed nanosecond capillary discharge in pure CO_2 under the conditions of high specific deposited energy (around 1.2 eV/molecule) and high reduced electric fields (150–250 Td) has been studied experimentally and numerically. Specific deposited energy, reduced electric field and gas temperature have been measured as functions of time. The radial distribution of the electron density has been analyzed experimentally. The role of quenching of O( ^1D), O(^1S) and CO(a^3Π) excited atoms and molecules leading to heat release at sub-microsecond time scale have been analyzed by numerical modeling in the framework of 1D axial approximation.
Fichier principal
Vignette du fichier
02_2022_CO2_Pokrovskiy_Popov_Starikovskaia.pdf (787.33 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-03826142 , version 1 (23-10-2022)

Identifiants

Citer

G V Pokrovskiy, N A Popov, S M Starikovskaia. Fast gas heating and kinetics of electronically excited states in a nanosecond capillary discharge in CO2. Plasma Sources Science and Technology, 2022, 31 (3), pp.035010. ⟨10.1088/1361-6595/ac5102⟩. ⟨hal-03826142⟩
31 Consultations
153 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More