Precursor phenomenon model for multiwire arrays

Abstract

This paper presents a heuristic model that can be used to estimate the dynamics of the wire array implosion. A two-shell precursor model has been developed. Expressions for the maximum precursor current and the precursor kinetic energy have been obtained. It is suggested that the difference in the resistance of the core and the corona of an individual wire is the reason for the precursor appearance. The precursor current increases sharply as the current rise time is lengthened. The most efficient way to suppress the precursor is to reduce the resistance of the core.

Original language	English
Pages (from-to)	512-517
Number of pages	6
Journal	IEEE Transactions on Plasma Science
Volume	29
Issue number	3
DOIs	https://doi.org/10.1109/27.928949
Publication status	Published - 1 Jun 2001
Externally published	Yes

Keywords

Plasma pinch
X-ray production

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

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10.1109/27.928949

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abstract = "This paper presents a heuristic model that can be used to estimate the dynamics of the wire array implosion. A two-shell precursor model has been developed. Expressions for the maximum precursor current and the precursor kinetic energy have been obtained. It is suggested that the difference in the resistance of the core and the corona of an individual wire is the reason for the precursor appearance. The precursor current increases sharply as the current rise time is lengthened. The most efficient way to suppress the precursor is to reduce the resistance of the core.",

keywords = "Plasma pinch, X-ray production",

author = "Ratakhin, {N. A.} and Baksht, {R. B.}",

year = "2001",

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AB - This paper presents a heuristic model that can be used to estimate the dynamics of the wire array implosion. A two-shell precursor model has been developed. Expressions for the maximum precursor current and the precursor kinetic energy have been obtained. It is suggested that the difference in the resistance of the core and the corona of an individual wire is the reason for the precursor appearance. The precursor current increases sharply as the current rise time is lengthened. The most efficient way to suppress the precursor is to reduce the resistance of the core.

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KW - X-ray production

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