The effects of preheating of a fine tungsten wire and the polarity of a high-voltage electrode on the energy characteristics of an electrically exploded wire in vacuum

Alexander G. Rousskikh, Rina B. Baksht, Stanislav A. Chaikovsky, Anatoly V. Fedunin, Konstantin V. Khishchenko, Aleksey Yu Labetsky, Pavel R. Levashov, Alexander V. Shishlov, Svetlana I. Tkachenko

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Results obtained from experimental and numerical studies of tungsten wires electrical explosion in vacuum are presented. The experiments were performed both with and without preheating of the wires using positive or negative polarity of a high-voltage electrode. Preheating is shown to increase energy deposition in the wire core due to a longer resistive heating stage. The effect was observed both in single wire and wire array experiments. The evolution of the phase state of the wire material during explosion was examined by means of a one-dimensional numerical simulation using a semiempirical wide-range equation of state describing the properties of tungsten, with allowance made for melting and vaporization.

Original languageEnglish
Pages (from-to)2232-2238
Number of pages7
JournalIEEE Transactions on Plasma Science
Volume34
Issue number5 III
DOIs
Publication statusPublished - 1 Oct 2006
Externally publishedYes

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high voltages
polarity
tungsten
wire
vacuum
heating
electrodes
explosions
energy
allowances
equations of state
melting
simulation

Keywords

  • Breakdown
  • Electrical explosion
  • Energy deposition
  • Tungsten
  • Wire array

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

The effects of preheating of a fine tungsten wire and the polarity of a high-voltage electrode on the energy characteristics of an electrically exploded wire in vacuum. / Rousskikh, Alexander G.; Baksht, Rina B.; Chaikovsky, Stanislav A.; Fedunin, Anatoly V.; Khishchenko, Konstantin V.; Labetsky, Aleksey Yu; Levashov, Pavel R.; Shishlov, Alexander V.; Tkachenko, Svetlana I.

In: IEEE Transactions on Plasma Science, Vol. 34, No. 5 III, 01.10.2006, p. 2232-2238.

Research output: Contribution to journalArticle

Rousskikh, Alexander G. ; Baksht, Rina B. ; Chaikovsky, Stanislav A. ; Fedunin, Anatoly V. ; Khishchenko, Konstantin V. ; Labetsky, Aleksey Yu ; Levashov, Pavel R. ; Shishlov, Alexander V. ; Tkachenko, Svetlana I. / The effects of preheating of a fine tungsten wire and the polarity of a high-voltage electrode on the energy characteristics of an electrically exploded wire in vacuum. In: IEEE Transactions on Plasma Science. 2006 ; Vol. 34, No. 5 III. pp. 2232-2238.
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