Study of the core gaps formed accidentally during wire explosion

S. I. Tkachenko, T. A. Khattatov, V. M. Romanova, A. R. Mingaleev, R. B. Baksht, V. I. Oreshkin, T. A. Shelkovenko, S. A. Pikuz

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Abstract

During wire explosion, along with striations (a regular structure with alternating lower and higher density bands), low-density regions the characteristic axial size of which differs substantially from that of striations and can reach 1-2 mm are also observed in the discharge channel. Such irregular structures came to be known as "gaps" (D. B. Sinars et al., Phys. Plasmas 8, 216 (2001)). In the present study, the mechanism of the formation of core gaps during explosions of 25- and 50-μm-diameter copper and nickel wires in air is investigated. It is shown that the specific energy deposited in the gap region substantially exceeds the average specific energy deposited in the wire material.

Original languageEnglish
Pages (from-to)100-109
Number of pages10
JournalPlasma Physics Reports
Volume38
Issue number2
DOIs
Publication statusPublished - 1 Feb 2012
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics

Cite this

Tkachenko, S. I., Khattatov, T. A., Romanova, V. M., Mingaleev, A. R., Baksht, R. B., Oreshkin, V. I., ... Pikuz, S. A. (2012). Study of the core gaps formed accidentally during wire explosion. Plasma Physics Reports, 38(2), 100-109. https://doi.org/10.1134/S1063780X12010102