Title :
Atmospheric-Pressure Plasma Jet Produced by a Unipolar Nanosecond Pulse Generator in Various Gases
Author :
Niu, Zheng ; Shao, Tao ; Zhang, Cheng ; Jiang, Hui ; Li, Chunxia ; Wang, Ganping ; Tan, Jie ; Yan, Ping
Author_Institution :
Key Lab. of Power Electron. & Electr. Drive, Beijing, China
Abstract :
Atmospheric-pressure plasma jet provides an effective mode for many potential applications. Unipolar repetitive pulses of 25-ns rise time and 40-ns duration are used to drive a single electrode plasma jet in open air. He, Ar, N2, and air are chosen as the feed gases. Kinds of images of the observed plasma jets are presented under different experimental conditions. The diffusive appearances with N2 or air flow are different from the needle-like mode with He or Ar flow.
Keywords :
air; argon; corona; helium; nitrogen; plasma flow; plasma jets; plasma transport processes; pulse generators; air flow; atmospheric-pressure plasma jet; diffusion; needle-like mode; pressure 1 atm; single electrode plasma jet; time 25 ns; time 40 ns; unipolar nanosecond pulse generator; Argon; Discharges; Electrodes; Feeds; Helium; Plasmas; Atmospheric pressure; diffusive appearance; gas discharge; nanosecond pulse; needle-like; plasma jet; unipolar pulse;
Journal_Title :
Plasma Science, IEEE Transactions on
Conference_Location :
4/29/2011 12:00:00 AM
DOI :
10.1109/TPS.2011.2127495
