期刊
IEEE TRANSACTIONS ON PLASMA SCIENCE
卷 43, 期 3, 页码 737-744出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2014.2387064
关键词
Dielectric-barrier-discharge (DBD) plasma jet; discharge characteristics
资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan [24108003]
- Grants-in-Aid for Scientific Research [24108003] Funding Source: KAKEN
We present here the analysis of the characteristics of a dielectric-barrier-discharge (DBD) plasma jet in open air using the optical emission spectroscopy (OES). The OES on oxygen emission is useful to estimate the presence of reactive excited O atoms. The O emission intensity is much higher near the quartz-tube outlet and abruptly decreases with distance from the quartz tube. Our experiments also show that the DBD plasma jet is quite sensitive to He gas flow rate (RHe-gas (flow)): increasing RHe-gas (flow) induces weak pulse discharge, resulting in decreasing O emission intensity.
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