Atmospheric-Pressure Plasma Jet Produced by a Unipolar Nanosecond Pulse Generator in Various Gases

Atmospheric-Pressure Plasma Jet Produced by a Unipolar Nanosecond Pulse Generator in Various Gases

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, N 2 , and air are chosen as the feed gases. Kinds of images of the observe...

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Veröffentlicht in:IEEE transactions on plasma science 2011-11, Vol.39 (11), p.2322-2323
Hauptverfasser: Niu, Zheng, Shao, Tao, Zhang, Cheng, Jiang, Hui, Li, Chunxia, Wang, Ganping, Tan, Jie, Yan, Ping
Format: Artikel
Sprache:eng
Schlagworte:
Air flow
Argon
Atmospheric pressure
Diffusion
diffusive appearance
Discharges
Electrodes
Feeds
gas discharge
Gases
Generators
Helium
nanosecond pulse
Nanosecond pulses
needle-like
plasma jet
Plasma jets
Plasma physics
Plasmas
unipolar pulse
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Beschreibung
Zusammenfassung: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, N 2 , 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 N 2 or air flow are different from the needle-like mode with He or Ar flow.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2011.2127495