Influence of residual charge on repetitively nanosecond pulsed dielectric barrier discharges in atmospheric air
2017; American Institute of Physics; Volume: 24; Issue: 11 Linguagem: Inglês
10.1063/1.4986390
ISSN1527-2419
AutoresYidi Liu, Huijie Yan, Zhihui Fan, Hongfei Guo, Chunsheng Ren,
Tópico(s)Electrohydrodynamics and Fluid Dynamics
ResumoThe plane-to-plane dielectric barrier discharge within 5 mm air gap driven by repetitive nanosecond pulses is studied. A water resistance (WR) is connected in parallel with the discharge circuit. For the discharge without the WR, two reverse discharges occur in the falling front of the voltage pulse, and besides, the primary discharge occurs in the rising front. For the discharge with the WR, only the primary discharge takes place, and the voltage waveform is changed into the unipolar positive voltage pulse with the elevated fall time. Additionally, the discharge with the WR displays the intermediate between the traditional diffuse and filamentary modes. Moreover, the uniformity of the discharge with the WR is increased as the pulse repetition frequency decreases from 1200 Hz to 100 Hz. The above observations in the discharge with the WR are mainly attributed to the increase in the residual charge at the inception of the following pulsed discharge.
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