Abstract
Recently, atmospheric pressure pulsed discharge has attracted lots of attentions. Research shows that there are lots of advantages by using pulsed discharge rather than by using traditional AC discharge, such as high VUV, O, and O3 generation efficiency, high peak current, high electron density and high electron generation efficiency, better treatment effect, easy obtaining homogeneous discharge, extreme non-equilibrium characteristic and high bacteria killing efficiency. However, researchers know only little about the mechanism and mode of the pulsed discharge, and how pulsed parameters (rising and falling time, repetition frequency, pulse width) affecting the discharge. There are mainly due to two reasons. First, it is a difficult task to diagnostics atmospheric pressure discharge plasma. Second, pulsed discharge is a fast behavior, which makes it even more difficult. On the other hand, research on pulsed discharge is also restricted due to lack of pulsed power supply of various parameters. In this paper, recent progresses on pulsed discharge plasma are reviewed and some suggestions on this research topic are also presented.
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