NDLI: Experimental study of discharge with liquid non-metallic (tap-water) electrodes in air at atmospheric pressure

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Experimental study of discharge with liquid non-metallic (tap-water) electrodes in air at atmospheric pressure

Content Provider	Scilit
Author	Andre, P. Barinov, Yu Faure, G. Kaplan, V. Lefort, A. Shkol'nik, S. Vacher, D.
Copyright Year	2001
Description	Journal: Journal of Physics D: Applied Physics The discharge with liquid non-metallic electrodes (DLNME) was investigated. The discharge burnt steadily with a DC power supply between two streams of weakly conducting liquid (tap water) in open air at atmospheric pressure. The metallic current leads were inserted into the streams and were covered by a 5 mm thick water layer. The discharge burnt in volumetric (diffuse) form with fairly high voltage (~3 kV between leads) and low current density (~0.2-0.25 A $cm^{-2}$). The plasma state in the inter-electrode gap was studied by spectroscopy, microwave sounding and electrical probe technique. The rotational and vibrational temperatures of $N_{2}$ electronically excited molecules were measured. The absolute radiation values of different species were obtained as a function of position in the gap. The electric field E and the concentration of charged particles were obtained. The value of parameter $E/N_{g}$ was estimated $(N_{g}$ being the gas concentration). The density of water vapour in the discharge column was estimated. The results obtained show that DLNME generate molecular plasma at high pressure but out of thermal equilibrium. The properties of DLNME make it promising for various engineering applications, including those in plasma chemistry.
Related Links	http://iopscience.iop.org/article/10.1088/0022-3727/34/24/306/pdf
Ending Page	3465
Page Count	10
Starting Page	3456
ISSN	00223727
e-ISSN	13616463
DOI	10.1088/0022-3727/34/24/306
Journal	Journal of Physics D: Applied Physics
Issue Number	24
Volume Number	34
Language	English
Publisher	IOP Publishing
Publisher Date	2001-12-05
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics D: Applied Physics Coatings and Films Charged Particles Current Density Electric Field Atmospheric Pressure Water Vapour High Voltage High Pressure
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials

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