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Plasma Physics Reports

, Volume 27, Issue 2, pp 89–109 | Cite as

Dynamics of Heterogeneous Liners with Prolonged Plasma Creation

  • V. V. Aleksandrov
  • A. V. Branitskii
  • G. S. Volkov
  • E. V. Grabovskii
  • M. V. Zurin
  • S. L. Nedoseev
  • G. M. Oleinik
  • A. A. Samokhin
  • P. V. Sasorov
  • V. P. Smirnov
  • M. V. Fedulov
  • I. N. Frolov
Plasma Dynamics

Abstract

Prolonged plasma creation in heterogeneous liners, in which the liner substance is separated into two phase states (a hot plasma and a cold skeleton), is investigated both experimentally and theoretically. This situation is typical of multiwire, foam, and even gas liners in high-current high-voltage facilities. The main mechanisms governing the rate at which the plasma is created are investigated, and the simplest estimates of the creation rate are presented. It is found that, during prolonged plasma creation, the electric current flows through the entire cross section of the produced plasma shell, whose thickness is comparable with the liner radius; in other words, a current skin layer does not form. During compression, such a shell is fairly stable because of its relatively high resilience. It is shown that, under certain conditions, even a thick plasma shell can be highly compressed toward the discharge axis. A simplified numerical simulation of the compression of a plasma shell in a liner with prolonged plasma creation is employed in order to determine the conditions for achieving regimes of fairly compact and relatively stable radial compression of the shell.

Keywords

Liner Plasma Physic Report Plasma Source Discharge Axis Liner Mass 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© MAIK “Nauka/Interperiodica” 2001

Authors and Affiliations

  • V. V. Aleksandrov
    • 1
  • A. V. Branitskii
    • 1
  • G. S. Volkov
    • 1
  • E. V. Grabovskii
    • 1
  • M. V. Zurin
    • 1
  • S. L. Nedoseev
    • 1
  • G. M. Oleinik
    • 1
  • A. A. Samokhin
    • 1
  • P. V. Sasorov
    • 1
    • 2
  • V. P. Smirnov
    • 1
  • M. V. Fedulov
    • 1
  • I. N. Frolov
    • 1
  1. 1.Troitsk Institute for Innovation and Thermonuclear ResearchTroitskRussia
  2. 2.Institute of Theoretical and Experimental PhysicsMoscowRussia

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