常压介质阻挡放电氧气大气谱带分析

doi:10.3964/j.issn.1000-0593(2009)04-0878-05

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Abstract The emission spectra of pure oxygen in dielectric barrier discharge at atmospheric pressure were observed. Comparison between experimental and fitting spectra of oxygen A band (b ¹Σ^＋^_g→X ³Σ^-_g)(0, 0)was used to determine the gas temperature, and the electronic temperature was calculated from O Ⅰ lines. The causation of oxygen A band in atmospheric dielectric barrier discharge was discussed by means of analysis of producing and quenching approaches. The result showed that the electronic temperature, (11 800±400) K, was much higher than the gas temperature, (650±20) K. The emission from a ¹Δ_g or A ³Σ^＋_u was not been observed, but atmospheric band with its resoluble rotational structure was measured.

Key words：Dielectric barrier discharge;Oxygen;Emission spectroscopy;Electronic temperature;Rotational temperature

Received: 2007-12-06 Accepted: 2008-03-19

ZTFLH:

O644

Corresponding Authors: XIE Wei-jie E-mail: wjxie@sjtu.edu.cn

Cite this article:

XIE Wei-jie,LI Long-hai,JIANG Ju-hui, et al. Analysis of Oxygen Atmospheric Band in Dielectric Barrier Discharge at Atmospheric Pressure[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2009, 29(04): 878-882.

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https://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593(2009)04-0878-05 OR https://www.gpxygpfx.com/EN/Y2009/V29/I04/878

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