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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Liu, Zhi-Jie Yang, De-Zheng Wang, Wen-Chun Wang, Sen Zhang, Li Zhao, Zi-Lu Yuan, Hao Zhang, Shuai |
| Description | Country affiliation: China Author Affiliation: Zhao ZL ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China.); Yang DZ ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China.); Wang WC ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China. Electronic address: wangwenc@dlut.edu.cn.); Yuan H ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China.); Zhang L ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China.); Wang S ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China.); Liu ZJ ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China.); Zhang S ( Key Lab of Materials Modification, Dalian University of Technology, Ministry of Education, Dalian 116024, China.) |
| Abstract | In this paper, an atmospheric surface barrier discharge (SBD) generated by annular electrodes in quartz tube is presented through employing bipolar nanosecond pulse voltage in air. The discharge images, waveforms of pulse voltage and discharge current, and optical emission spectra emitted from the discharges are recorded and calculated. A spectra simulation method is developed to separate the overlap of the secondary diffraction spectra which are produced by grating in monochromator, and N2 (B(3)Πgâ A(3)Σu(+)) and O (3p(5)Pâ 3s(5)S2(o)) are extracted. The effects of pulse voltage and discharge power on the emission intensities of OH (A(2)Σ(+)â X(2)Ð i), N2(+) (B(2)Σu(+)â X(2)Σg(+)), N2 (C(3)Πuâ B(3)Πg), N2 (B(3)Πgâ A(3)Σu(+)), and O (3p(5)Pâ 3s(5)S2(o)) are investigated. It is found that increasing the pulse peak voltage can lead to an easier formation of N2(+) (B(2)Σu(+)) than that of N2 (C(3)Πu). Additionally, vibrational and rotational temperatures of the plasma are determined by comparing the experimental and simulated spectra of N2(+) (B(2)Σu(+)â X(2)Σg(+)), and the results show that the vibrational and rotational temperatures are 3250±20K and 350±5K under the pulse peak voltage of 28kV, respectively. |
| ISSN | 13861425 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Volume Number | 161 |
| e-ISSN | 18733557 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-05-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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