Corona Discharge to Water Surface and Its Transition to a Spark

Impulse corona discharge in atmospheric air to the surface of a water layer with different electric conductivities is studied. The discharge was initiated from a corona electrode consisting of a metallic disk with evenly distributed corona needles. The dependences of the magnitudes of the measured i...

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Bibliographic Details
Published inIEEE transactions on plasma science Vol. 39; no. 5; pp. 1228 - 1233
Main Authors Bozhko, Igor V, Kondratenko, Igor P, Serdyuk, Yuriy V
Format Journal Article
LanguageEnglish
Published New York IEEE 01.05.2011
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Capacitance
Circuits
Conductivity
Corona
Corona-spark transition
Electrodes
Impedance
impulse corona discharge (ICD)
impulse current
Needles
Plasma
Sparks
Surface discharges
water layer
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Summary:Impulse corona discharge in atmospheric air to the surface of a water layer with different electric conductivities is studied. The discharge was initiated from a corona electrode consisting of a metallic disk with evenly distributed corona needles. The dependences of the magnitudes of the measured impulse currents on the polarity of the corona electrode as well as the parameters of the gas gap and liquid layer were obtained. An equivalent electric circuit of the discharge system was proposed, allowing for explanations of the regularities in the measured currents and also the role of the water layer as a factor affecting the transition of the corona discharge to a spark.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2011.2122345