期刊
IEEE TRANSACTIONS ON PLASMA SCIENCE
卷 41, 期 10, 页码 3069-3078出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2013.2279254
关键词
Dielectric barrier discharge (DBD); discharge emission; filamentary discharge; gas discharge; homogeneous discharge; metal electrode; nanosecond pulse; nonthermal plasma; open air; pulsed discharge; pulsed power; water electrode
资金
- National Natural Science Foundation of China [51222701, 51207154, 11076026]
- National Basic Research Program of China [2014CB239505]
- Opening Project of State Key Laboratory of Electrical Insulation and Power Equipment at Xi'an Jiaotong University [EIPE12204]
Atmospheric pressure low-temperature plasmas produced by dielectric barrier discharge (DBD) provide a promising approach for civilian application of pulsed power technology. In this paper, repetitive nanosecond pulses were generated using a magnetic compression solid-state pulsed power generator, and the rise time and pulse duration of the nanosecond pulse are similar to 30 and 70 ns, respectively. The DBD in open air is created using two kinds of electrodes, i.e., water and metal electrodes. The electrical, luminous, and optical characteristics of the DBDs under these two electrodes are studied and compared. The experimental results show that no filaments are observed and the discharge is homogeneous when water electrodes are used. The DBD still behaves in a filamentary mode when the discharge gap is extended to 4 cm in the case of metal electrodes. The results are validated by fast images taken by an intensified charge-coupled device camera. In addition, some discussion about the experimental results is presented. Improvement of discharge uniformity is due to the effect of resistive stabilization using water electrodes.
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