The investigation of an abnormal electrolyte cathode atmospheric glow discharge (ELCAD)

P. Mezei, T. Cserfalvi

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

In a capillary electrolyte cathode atmospheric glow discharge (ELCAD) plasma, the current density and the length of the cathode dark space (LCDS) were measured and the gas temperature (Tg) in the cathode surface-dark space boundary layer was estimated. Using a CCD camera, the current density (the diameter of the cathode spot) and the LCDS were determined from the light intensity distribution provided by the FITSVIEW image processing software. The current density was significantly higher compared with that measured in a normal ELCAD glow and increased with increasing current. The LCDS was also estimated by means of the similarity law relating to the ELCAD plasma. The estimated and measured values of the LCDS are in good agreement and smaller than that observed in a normal ELCAD. In the boundary layer a higher Tg was estimated because of the increased current density.

Original languageEnglish
Pages (from-to)2534-2539
Number of pages6
JournalJournal of Physics D: Applied Physics
Volume39
Issue number12
DOIs
Publication statusPublished - May 21 2006

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Glow discharges
glow discharges
Electrolytes
Cathodes
cathodes
electrolytes
Current density
current density
boundary layers
Boundary layers
Plasmas
CCD cameras
gas temperature
luminous intensity
image processing
Image processing
Gases
luminescence
computer programs

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

The investigation of an abnormal electrolyte cathode atmospheric glow discharge (ELCAD). / Mezei, P.; Cserfalvi, T.

In: Journal of Physics D: Applied Physics, Vol. 39, No. 12, 21.05.2006, p. 2534-2539.

Research output: Contribution to journalArticle

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