Pulsed Discharge Plasma for Pollution Control

Pulsed Discharge Plasma for Pollution Control

by Douyan Wang

Type Book
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A discharge with pulse duration of 100 ns, the general pulsed streamer discharge, shows two discharge phases: a streamer discharge which initiates in the vicinity of the central electrode and propagates toward the outer electrode; and a glow-like discharge which is generated after full development of the streamer discharge. It was also observed that the plasma impedance was different for the streamer and the glow-like discharges. Moreover, a rise of the gas temperature occurred during the glow-…

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Title Statements

  • Full title :Pulsed Discharge Plasma for Pollution Control.

Summary

A discharge with pulse duration of 100 ns, the general pulsed streamer discharge, shows two discharge phases: a streamer discharge which initiates in the vicinity of the central electrode and propagates toward the outer electrode; and a glow-like discharge which is generated after full development of the streamer discharge. It was also observed that the plasma impedance was different for the streamer and the glow-like discharges. Moreover, a rise of the gas temperature occurred during the glow-like discharge phase. These factors could induce energy losses due to the impedance mismatching between the pulsed power generator and discharge reactor, with gas thermalization of plasma-enhanced chemical reactions during gas treatment. On the other hand, the discharge with pulse duration of 5 ns, nano-seconds pulsed streamer discharge, indicates that the discharge history finishes before it shifts to the glow-like discharge phase. Consequently, the impedance matching between the power generator and discharge reactor can be improved and the gas heating problem can be minimized. It can be concluded that a nano-seconds pulsed discharge is a promising method as a non-thermal plasma processing technique [74], [75].

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Edition Statements

  • Publication Date:2010.

Publication Statements

The Physical Object

  • Description:1 online resource

Edition Identifiers

  • ISBN:9789533071435, 9533071435
  • oclc:ocn884034814

Subjects

Open Access Collection

Writers

Douyan Wang Hidenori Akiyama Takao Namihira

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