Fast Ionization Wave Development in Atmospheric-Pressure Air

Pulsed-discharge development in a point-to-plane geometry is investigated with subnanosecond temporal resolution. A short high-voltage pulse with a duration of 400 ps and peak voltage U = 224 kV was applied to a discharge gap of 1-30 mm. The discharge propagated in atmospheric-pressure air. Ultrahig...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2011-11, Vol.39 (11), p.2602-2603
Main Author: Starikovskiy, A.
Format: Article
Language:English
Subjects:
Atmospheric pressure
Atmospheric waves
Cameras
Channels
Discharge
Discharges
Electric potential
Electrons
Fast ionization wave
Ionization
Ionization waves
Ions
nonequilibrium plasma
Overvoltage
Plasma physics
Plasmas
Propagation
pulsed picosecond discharge
Velocity
Voltage
Voltage control
Wave propagation
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Summary:Pulsed-discharge development in a point-to-plane geometry is investigated with subnanosecond temporal resolution. A short high-voltage pulse with a duration of 400 ps and peak voltage U = 224 kV was applied to a discharge gap of 1-30 mm. The discharge propagated in atmospheric-pressure air. Ultrahigh overvoltage (5-50 times) generates runaway electrons in the front of ionization wave and increases the plasma channel diameter and velocity of ionization wave propagation. Formation of homogeneous atmospheric-pressure nonequilibrium plasma has been demonstrated.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2011.2160738