The Production of Plasma Pulses With Convoluted Arc Columns in Atmospheric Pressure Air

Experimental results for the operation of a device which generates radially propagating pulses of plasma are reported. These are produced from a convoluted arc plasma column formed using a suitably configured magnetic field (B-field). Both quasi-steady-current and alternating-current arc plasmas in...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2010-03, Vol.38 (3), p.509-515
Main Authors: Shpanin, L.M., Jones, G.R., Spencer, J.W.
Format: Article
Language:English
Subjects:
Ablation
arc discharges
Arcs, sparks, lightning
Atmospheric measurements
Atmospheric pressure
Atmospheric-pressure plasmas
Barometric pressure
Clouds
Current measurement
Electric currents
Electric discharges
Electric potential
Exact sciences and technology
High speed
Magnetic field measurement
Magnetic fields
Phase measurement
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma
plasma arc devices
plasma control
Plasma devices
Plasma measurements
Production
Propagation
Pulse generation
Voltage
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Summary:Experimental results for the operation of a device which generates radially propagating pulses of plasma are reported. These are produced from a convoluted arc plasma column formed using a suitably configured magnetic field (B-field). Both quasi-steady-current and alternating-current arc plasmas in atmospheric pressure air have been studied. High-speed photographic records of the convoluted plasma column during the main arcing phase are presented along with video images of propagating plasma clouds formed when the B-field and arc current collapse. Measured time variations of current and arc voltage during the main current phase are correlated with features on the photographic records. Results are presented, showing the effect of different operating conditions upon the propagation rates of the plasma pulses.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2009.2039129