“Cold start” processes in pinch discharges through wire loads

The fundamental processes of the initial stage of the electrical discharge through metal wires (“cold start”) are studied. A classification of the discharge types is presented; problems of the solid metal heating and melting are considered and, in view of their solutions, the mechanisms of the metas...

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Bibliographic Details
Published in:Journal of Russian laser research 2007-07, Vol.28 (4), p.326-344
Main Author: Ivanenkov, G. V.
Format: Article
Language:English
Subjects:
Cold starts
Electric discharges
Wire
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Summary:The fundamental processes of the initial stage of the electrical discharge through metal wires (“cold start”) are studied. A classification of the discharge types is presented; problems of the solid metal heating and melting are considered and, in view of their solutions, the mechanisms of the metastable-phase initiation leading to the drastic expansion of the substance and formation of “kern-corona” structures are investigated. The results obtained are used to analyze the conditions and properties of wire-load-explosion products in Z-pinch fast pulse installations.
ISSN:1071-2836
1573-8760
DOI:10.1007/s10946-007-0022-7