The spatial distribution of the temperatures and the emitted spectrum in the electrolyte cathode atmospheric glow discharge

P. Mezei, T. Cserfalvi, L. Csillag

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

In an electrolyte cathode atmospheric glow discharge (ELCAD), the gas temperature (Tgas) obtained from the intensity ratio of the OH 306-309 nm unresolved rotational band heads and the electron temperature (T el) received from the intensity ratio of the Cu I 510.5 and 515.3 nm were investigated. In the near anode region, Tgas ≈ Tel ≈ 6000 K; in the positive column, Tgas ≈ 4000 K, T el ≈ 5500 K; in the near cathode region, Tgas ≈ 8000 K, Tel ≈ 7500 K were found. These temperatures agree with our earlier results and are in accordance with the literature; that is, at atmospheric pressure, the gas and the electron temperatures approximate well with each other. The spatial intensity distribution of the atomic lines of metals dissolved in the electrolyte was measured and the intensity maximum occurred in the negative glow due to the high electron temperature and thus to the high excitation rate of this region.

Original languageEnglish
Pages (from-to)2804-2811
Number of pages8
JournalJournal of Physics D: Applied Physics
Volume38
Issue number16
DOIs
Publication statusPublished - Aug 21 2005

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Electron temperature
Glow discharges
glow discharges
Spatial distribution
Electrolytes
spatial distribution
Cathodes
cathodes
electrolytes
electron energy
Gases
Temperature
Atmospheric pressure
temperature
Anodes
gas temperature
Metals
atmospheric pressure
anodes
luminescence

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

The spatial distribution of the temperatures and the emitted spectrum in the electrolyte cathode atmospheric glow discharge. / Mezei, P.; Cserfalvi, T.; Csillag, L.

In: Journal of Physics D: Applied Physics, Vol. 38, No. 16, 21.08.2005, p. 2804-2811.

Research output: Contribution to journalArticle

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