Possible Mechanisms for Electric-Field-Free Gas Breakdown
It was reported in the late 1960s  that gas breakdown occurs during explosive and electrical operation of magnetic flux compressor generators (FCGs). Recently [2,3], we reported on experimental evidence of the formation of plasma and its propagation in the gas within the FCG with no electric field in the system. We named this phenomenon electric-field-free gas breakdown. In this paper, we discuss possible mechanisms for this type of gas breakdown. The first mechanism is related to the ionization of the gas by a sequence of shock processes caused by an explosively expanding metallic armature within an FCG. The second mechanism is related to the ejection of high-speed particles from the explosively shocked metallic surface of an FCG armature. © 2011 IEEE.
S. I. Shkuratov et al., "Possible Mechanisms for Electric-Field-Free Gas Breakdown," Digest of Technical Papers-IEEE International Pulsed Power Conference, Institute of Electrical and Electronics Engineers (IEEE), Jan 2011.
The definitive version is available at https://doi.org/10.1109/PPC.2011.6191475
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