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Article Dans Une Revue Journal of Physics D: Applied Physics Année : 2010

Time-resolved nanosecond imaging of the propagation of a corona-like plasma discharge in water at positive applied voltage polarity

Résumé

The present paper is an experimental study of a pulsed filamentary plasma discharge inside liquid water in pin to plane electrode configuration. Time resolved electrical and imaging diagnostics have been performed. The initiation and the propagation of the discharge have been studied for several experimental parameters. The propagation is continuous and is followed by reilluminations at low water conductivity. The measured propagation velocity of the plasma discharge is 30km/s for the secondary positive mode. This velocity was found to be surprisingly constant whatever the experimental parameters and especially as a function of the water conductivity.
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Dates et versions

hal-00569588 , version 1 (25-02-2011)

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P H Ceccato, Olivier Guaitella, M Rabec Le Gloahec, Antoine Rousseau. Time-resolved nanosecond imaging of the propagation of a corona-like plasma discharge in water at positive applied voltage polarity. Journal of Physics D: Applied Physics, 2010, 43 (17), pp.175202. ⟨10.1088/0022-3727/43/17/175202⟩. ⟨hal-00569588⟩
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