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Optical and electrical analysis of multi-electrode cylindrical dielectric barrier discharge (DBD) plasma reactor
Niu, Guanghui1; Li, Yanping2; Tang, Jie3; Wang, Xu4; Duan, Yixiang5
Department瞬态光学技术国家重点实验室
2018-11
Source PublicationVacuum
ISSN0042207X
Volume157Pages:465-474
Contribution Rank3
Abstract

Aiming to decrease the dielectric barrier discharge (DBD) capacitive current, a new type of multi-electrode cylindrical DBD plasma reactor was proposed in this work. Due to the novel multi-electrode design, the discharge current peak value of the newly designed plasma reactor decreased by 66.24%, from 16.26 mA for the traditional device to 5.49 mA. Besides, the number of the micro-discharges was found almost 2 times higher than that of the traditional device, indicating the generating of more discharge channels (from 37 to 89). The enhanced corona discharge formed at the electrode edges caused by fringe effect was considered as the main reason. The opti-electrical analysis was performed using multi-electrode plasma reactors with different electrode configurations. The changes of optical emission efficiency (Ieff), equivalent capacitance of dielectric layer (Cd) and the discharge gap (Cg) were investigated under different applied voltage, discharge length, interval between adjacent outer electrodes and electrode width. The experimental results indicated the efficient discharge length l and fringe effect were responsible for the variations of Ieff, Cd and Cg. Higher applied voltage resulted in a higher Ieff, but higher current at the same time. Besides, Cd gradually increased along with the increased applied voltage while Cg presented the decreased trend. Ieff increased along with the enhanced fringe effect caused by the shorter electrode width and smaller interval between adjacent outer electrodes, while decreased with the increased discharge length. Cd and Cg decreased with increased interval between outer electrodes, but increased with the enhanced discharge length and electrode width. The voltage distribution analysis indicated that the change of Ieff was mainly due to the change of the voltage across the gas gap Vg. This work can give a deeper and further understanding on the discharge characteristics of the proposed multi-electrode plasma reactor. © 2018 Elsevier Ltd

KeywordMulti-electrode Dielectric Barrier Discharge Opti-electrical Analysis
DOI10.1016/j.vacuum.2018.09.025
Indexed BySCI ; EI
Language英语
WOS IDWOS:000449569600065
PublisherElsevier Ltd
EI Accession Number20183905869078
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30653
Collection瞬态光学技术国家重点实验室
Corresponding AuthorDuan, Yixiang
Affiliation1.School of Aeronautics and Astronautics, Research Center of Analytical Instrumentation, Sichuan University, Chengdu, China;
2.School of Chemical Engineering, Research Center of Analytical Instrumentation, Sichuan University, Chengdu, China;
3.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an, China;
4.Research Center of Analytical Instrumentation, School of Manufacturing Science and Engineering, Sichuan University, Chengdu, China;
5.Research Center of Analytical Instrumentation, Key Laboratory of Bio-resource and Eco-environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu; 610064, China
Recommended Citation
GB/T 7714
Niu, Guanghui,Li, Yanping,Tang, Jie,et al. Optical and electrical analysis of multi-electrode cylindrical dielectric barrier discharge (DBD) plasma reactor[J]. Vacuum,2018,157:465-474.
APA Niu, Guanghui,Li, Yanping,Tang, Jie,Wang, Xu,&Duan, Yixiang.(2018).Optical and electrical analysis of multi-electrode cylindrical dielectric barrier discharge (DBD) plasma reactor.Vacuum,157,465-474.
MLA Niu, Guanghui,et al."Optical and electrical analysis of multi-electrode cylindrical dielectric barrier discharge (DBD) plasma reactor".Vacuum 157(2018):465-474.
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