Vol. 32, issue 07, article # 11

Abstract:

It is shown that at lower air pressure the channel of apokam discharge at low repetition frequencies (7–16 Hz) of high-voltage pulses of positive polarity and at voltage amplitudes from 26 to 35 kV is the source of the streamers. The maximum starting speed of laboratory streamers was 560 km/s. From obtained data, a hypothesis about the mechanism of the appearance of blue jets in nature was suggested. For their start, high frequencies of voltage pulses are not needed, breakdowns in the Hz range are sufficient, but the bending of the discharge channel and increased field intensity at the bending site are necessary.

Keywords:

apokampic discharge, blue jets, low frequencies, transient luminous events

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