“Cold start” processes in pinch discharges through wire loads

Ivanenkov, G. V.

doi:10.1007/s10946-007-0022-7

Cited by 4 publications

(1 citation statement)

References 13 publications

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“…The change in the type of melting (discussed in detail in [32]) is the first main factor determining the formation of the core-corona structure. This factor will allow us to draw a boundary on the phase diagram between the region corresponding to the evaporation and desorption of gases from the wire surface and that corresponding to the beginning of the corona formation.…”

Section: Scenario Of a Nanosecond Eewmentioning

confidence: 99%

Electric explosion of fine wires: Three groups of materials

et al. 2015

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Experimental data demonstrating differences in the structures of channels formed during nanosecond discharges through fine wires made of different materials are presented. In addition to the traditional two classes of metals and alloys (the copper and tungsten groups), a new class is proposed to which materials of the nickel type belong. Their properties combine the characteristic properties of the two traditional groups, due to which they occupy an intermediate position between the latter. This manifests itself in the unstable character of explosion, the type of which can change drastically when changing the ambient medium or other conditions. Most of the reported results were obtained at a small setup with maximum values of the current and voltage of 10 kA and 20 kV, respectively, the current rise time being about 300 ns. An attempt is made to construct a scenario of the development of a nanosecond explosion that would make it possible to qualitatively describe the formation of the discharge channel structure. The analysis is based on the recent experimental results indicating that the cores formed in the course of the discharge have a tubular structure.

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Section: Scenario Of a Nanosecond Eewmentioning

confidence: 99%

Electric explosion of fine wires: Three groups of materials

et al. 2015

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Role of nonideality of multiply ionized plasma in phenomena of X-ray burst and X-pinch hot spot explosion

Ivanenkov

2011

J Russ Laser Res

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On the phase state of thin silver wire cores during a fast electric explosion

et al. 2018

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The results of laser (shadow and interferometric) studies of thin silver wire cores during a nanosecond electric explosion in vacuum are presented. Experiments were performed with a small Micro-4 generator (the charge voltage is 20 kV, and the current rise rate is 100 A/ns). The analysis of the data obtained showed that, despite a considerable energy deposition (a few atomization energies) into matter at the resistive stage of the discharge, a conductor is not completely evaporated. This is related to the features of the metal–dielectric transition which occurs nonuniformly in different load regions. Processes proceeding in the case of a rapid energy deposition to a conductor are qualitatively interpreted. It was shown that in this case the bond energy as the unit of measurement of the deposited energy is more appropriate than the energy of atomisation.

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“Cold start” processes in pinch discharges through wire loads

Cited by 4 publications

References 13 publications

Electric explosion of fine wires: Three groups of materials

Electric explosion of fine wires: Three groups of materials

Role of nonideality of multiply ionized plasma in phenomena of X-ray burst and X-pinch hot spot explosion

On the phase state of thin silver wire cores during a fast electric explosion

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