Wire explosion in vacuum: Simulation of a striation appearance

V. I. Oreshkin, R. B. Baksht, N. A. Ratakhin, A. V. Shishlov, K. V. Khishchenko, P. R. Levashov, I. I. Beilis

Результат исследований: Материалы для журналаСтатья

49 Цитирования (Scopus)

Аннотация

This paper presents the simulation results of electrical explosion of thin Al wires at a current rise time of several tens of nanoseconds and at a current density of ∼108 A/cm2. Studies include the matter phase transfers and magnetohydrodynamic (MHD) model. A two-dimensional MHD model based on the particle-in-cell method is used to consider the formation of striations and a low-density plasma corona surrounding the wire. The striations are shown to occur through evolving overheat instabilities early in the explosion, when the conductor material is in the liquid or two-phase states. The process results from the decrease in liquid metal conductivity with increasing temperature and decreasing density.

Язык оригиналаАнглийский
Страницы (с-по)4771-4776
Число страниц6
ЖурналPhysics of Plasmas
Том11
Номер выпуска10
DOI
СостояниеОпубликовано - окт 2004
Опубликовано для внешнего пользованияДа

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics

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