Characteristics of discharge with liquid non-metallic cathode burning in air flow

The possibility of creating a steady-burning low-current discharge in an air flow at atmospheric pressure using a cathode of weakly conducting liquid (tap water) and a constant-voltage power source is presented. The experiments were carried out at currents of 100-300 mA and air flows of 5-20 slpm. P...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2018-11, Vol.51 (44), p.445202
Main Authors: André, P, Barinov, Yu A, Faure, G, Shkol'nik, S M
Format: Article
Language:English
Subjects:
air plasma
Cancer
Chemical Sciences
Engineering Sciences
Life Sciences
molecular spectroscopy
Organic chemistry
Physics
plasma discharge
Plasmas
tap-water cathode
thermal non equilibrium
water plasma
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Summary:The possibility of creating a steady-burning low-current discharge in an air flow at atmospheric pressure using a cathode of weakly conducting liquid (tap water) and a constant-voltage power source is presented. The experiments were carried out at currents of 100-300 mA and air flows of 5-20 slpm. Probe and spectroscopic measurements were performed to determine the plasma parameters. The discharge spectrum was simulated and the plasma composition was calculated. It was found that a nonequilibrium moist high-pressure plasma with relatively low gas temperatures (>~2000 K) and substantially higher electron temperatures (>~6000 K) and high electron densities (
ISSN:0022-3727
1361-6463
DOI:10.1088/1361-6463/aadfad