AC pin-to-water electrode atmospheric pressure glow discharge in air

Atmospheric pressure glow discharge in air is the focus of non-thermal plasma study currently.But it is difficult to produce due to the transition from glow to spark.To solve this problem,a method named resistance and capacitance coupled negative feedback is used to control the instability caused by the positive feedback discharge development process of pin-to-water electrode plasma system in static atmospheric air,and the good heat conductivity characteristics of water electrode is used to enhance the stability of discharge.It is successful to prevent the transition from glow to spark and produce a stable AC glow discharge.