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Date of Publication:2022-10-10

Journal:高电压技术

Volume:42

Issue:5

Page Number:1483-1488

ISSN No.:1003-6520

Abstract:The packed-bed plasma reactor was energized by bipolar pulse power in
   this paper. In order to optimize the structural and electrical
   parameters of the packed bed plasma reactor, we investigated the effects
   of the shape of discharge electrode, diameter of discharge electrode,
   inner diameter of the outer quartz tube, diameter of the packing
   materials(glass beads), pulse-forming capacitance and pulse repetitive
   frequency on the discharge power. It was found that the bolt electrode
   showed better discharging characteristics than rod electrode. Larger
   discharge electrode diameter, smaller inner diameter of both the outer
   quartz tube and packed glass beads could contribute to the increase of
   injected energy to the plasma reactor. With the same applied voltage,
   when the pulse forming capacitance increased from 0.5 to 1.5 nF, both
   injected power and peak current increased dramatically. However, when
   the forming capacitance was over 1.5 nF, the injected power and peak
   current had little variation. Therefore, the optimal pulse forming
   capacitance was 1.5 nF in this experiment, which was 20 times of the
   statistic capacitance (75 pF) of the packed-bed plasma reactor.

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