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

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...

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Bibliographic Details
Published in:High temperature 2023-08, Vol.61 (4), p.445-452
Main Authors: Gaisin, Al. F., Gaisin, F. M., Basyrov, R. Sh, Kayumov, R. R., Mirkhanov, D. N., Petryakov, S. Yu
Format: Article
Language:English
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
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Description
Summary: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.
ISSN:0018-151X
1608-3156
DOI:10.1134/S0018151X23040041