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Experimental investigation of the efficiency of a high-voltage glow discharge as a source of a beam of run-away electrons

  • Plasma Investigations
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High Temperature Aims and scope

Abstract

To determine the energetic efficiency of the formation of the run-away electron beam in a highvoltage glow discharge, we measure the temperature of the electron beam generator. According to the measurements, the energetic efficiency (the part of the input discharge power carried away by the beam) was 50–70% at the generator supply voltage of 4.4 kV and it increased up to ~85% at ~8 kV. The measurements were performed for the discharge in helium with copper, steel, molybdenum, and lanthanum hexaboride cathodes.

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Correspondence to A. I. Golovin.

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Original Russian Text © V.S. Voiteshonok, A.I. Golovin, E.K. Egorova, B.N. Lomakin, A.V. Turkin, A.I. Shloydo, 2017, published in Teplofizika Vysokikh Temperatur, 2017, Vol. 55, No. 5, pp. 685–691.

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Voiteshonok, V.S., Golovin, A.I., Egorova, E.K. et al. Experimental investigation of the efficiency of a high-voltage glow discharge as a source of a beam of run-away electrons. High Temp 55, 665–671 (2017). https://doi.org/10.1134/S0018151X17050194

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  • DOI: https://doi.org/10.1134/S0018151X17050194

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