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On the conditions for contraction of a multielectrode corona discharge in He/Ar, Kr, Xe mixtures

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Abstract

The results of an investigation of the contraction of a corona discharge in “needle-grid” and “needle-plane” electrode systems maintained by a constant negative voltage are presented. The discharge was ignited in working media of infrared lasers on p-d transitions of atoms of heavy inert gases (He/Ar, Kr, Xe mixtures). Investigation of the current-voltage characteristics showed that in the mixtures He/Ar/Kr there is no hysteresis on the rising section of the current-voltage characteristic, while hysteresis does appear for a corona discharge in the mixture He/Xe. For voltages ≥5.5 kV on the needles and ballast resistance Rb≥0.5 MΩ dynamical contraction of a corona discharge together with current pulses with f=3–5 kHz and hysteresis loops were found on the descending section of the curve I=f(U), where I and U are the average current and voltage on the discharge gap. The maximum content of atoms of heavy inert gases for [He]=200–300 kPa is [Ar]≤12, [Kr]≤8, and [Xe]≤4 kPa.

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Authors and Affiliations

  1. Uzhgorod State University, Uzhgorod

    A. K. Shuaibov

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  1. A. K. Shuaibov
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Pis’ma Zh. Tekh. Fiz. 25, 90–94 (September 12, 1999)

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Shuaibov, A.K. On the conditions for contraction of a multielectrode corona discharge in He/Ar, Kr, Xe mixtures. Tech. Phys. Lett. 25, 715–716 (1999). https://doi.org/10.1134/1.1262610

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  • DOI: https://doi.org/10.1134/1.1262610

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