Electrophysical and Thermal Processes under Discharge Burning Conditions with a Liquid (Nonmetallic) Cathode

• Published in: High temperature Vol. 61; no. 4; pp. 445 - 452
• Main Authors: Gaisin, Al. F., Gaisin, F. M., Basyrov, R. Sh, Kayumov, R. R., Mirkhanov, D. N., Petryakov, S. Yu
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01.08.2023; Springer Nature B.V
• Subjects: Air flow; Atoms and Molecules in Strong Fields; Cathodes; Classical and Continuum Physics; Current voltage characteristics; Electric discharges; Electric field strength; Industrial Chemistry/Chemical Engineering; Infrared imaging; Laser Matter Interaction; Materials Science; Optical emission spectroscopy; Physical Chemistry; Physics; Physics and Astronomy; Plasma composition; Plasma Investigations; Thermography
• ISSN: 0018-151X; 1608-3156
• DOI: 10.1134/S0018151X23040041

The results of experimental studies and numerical calculations of the parameters of an electric discharge with a liquid (nonmetallic) cathode in air flow at atmospheric pressure are presented. The shapes of plasma structures arising in the interelectrode gap are described. The plasma composition and electron concentration are determined by optical emission spectroscopy, and the temperature of the surface of the electrodes in the discharge burning zone is determined by the infrared thermography method. The current–voltage characteristic (CVC) of the discharge is plotted. The results of numerical calculations of the distributions of the power density of the Joule heat release and the electric field strength near the metal anode are presented. The formation of a vapor–liquid mixture around the part of the metal anode immersed in the electrolyte is described.