| 光谱学与光谱分析 |
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| Study on Plasma Temperature in Dielectric Barrier Discharge at the Middle Value of pd |
| DONG Li-fang, QI Yu-yan, GAO Rui-ling, LIU Feng, LI Xue-chen |
| College of Physics Science and Technology, Hebei University, Baoding 071002, China |
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Abstract The optical emission spectra of Ar/air dielectric barrier discharge (DBD) scanned from 300-800 nm near atmospheric pressure were obtained. Electron excitation temperature (Texc) and molecule vibrational temperature (Tv) in Ar/air DBD at the middle value of pressure-distance (pd) product (about 6.4×103 Pa·cm) were studied. The ArI 763.51 nm(2P6→1S5) and 772.42 nm(2P2→1S3) lines were chosen to estimate Texc. Tv was measured by the N2 second positive band (C 3Πu→B 3Πg). It was found that Texc and Tv increase with increasing applied voltage. And the varying rate of Texc with increasing voltage is bigger than that of Tv.
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Received: 2006-08-02
Accepted: 2006-10-08
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Corresponding Authors:
DONG Li-fang
E-mail: donglf@mail.hbu.edu.cn
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| Cite this article: |
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DONG Li-fang,QI Yu-yan,GAO Rui-ling, et al. Study on Plasma Temperature in Dielectric Barrier Discharge at the Middle Value of pd[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(11): 2175-2177.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I11/2175 |
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