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Physics of Atomic Nuclei

, Volume 80, Issue 11, pp 1704–1710 | Cite as

Probe Measurements of Parameters of Streamers of Nanosecond Frequency Crown Discharge

  • A. Z. Ponizovskiy
  • S. G. Gosteev
Gas Discharge and Plasma Physics

Abstract

Investigations of the parameters of single streamers of nanosecond frequency corona discharge, creating a voluminous low-temperature plasma in extended coaxial electrode systems, are performed. Measurements of the parameters of streamers were made by an isolated probe situated on the outer grounded electrode. Streamers were generated under the action of voltage pulses with a front of 50–300 ns, duration of 100–600 ns, and amplitude up to 100 kV at the frequency of 50–1000 Hz. The pulse voltage, the total current of the corona, current per probe, and glow in the discharge gap were recorded in the experiments. It was established that, at these parameters of pulse voltage, streamers propagate at an average strength of the electric field of 4–10 kV/cm. Increasing the pulse amplitude leads to an increase in the number of streamers hitting the probe, an increase in the average charge of the head of a streamer, and, as a consequence, an increase in the total streamer current and the energy introduced into the gas. In the intervals up to 3 cm, streamer breakdown at an average field strength of 5–10 kV/cm is possible. In longer intervals, during the buildup of voltage after generation of the main pulse, RF breakdown is observed at Еav ≈ 4 kV/cm.

Keywords

nanosecond streamer corona streamer breakdown frequency of pulsed discharge low-temperature nonequilibrium plasma probe technique 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  1. 1.JSC “Gas-Turbine Engineering RPC “Salut””Moscow Branch of ICB GorizontDzerzhinskii, Moscow oblastRussia

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