Striation Production during Electrical Breakdown in Hydrogen

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Abstract
Striations, with an average lifetime of about 5 μsec, have been observed during the initial phase of electrical breakdown in H2, at pressures ranging from 3 to 50 Torr, and with 2.5 kV applied across a 5‐mm gap. The striations were observed to propagate towards the cathode at about 104 cm/sec, but the rate of advance of the appearance point of the striations was at least four times faster and towards the anode.