Model of the major disruption in tokamaks

K. Itoh, S. I. Itoh, A. Fukuyama, S. Tsuji, A. J. Lichtenberg

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

A mechanism for the onset of the major disruption in tokamaks is proposed which considers the effect of magnetic stochasticity on the growth of the m=2 tearing mode. Toroidicity can cause stochasticity near the separatrix of the m=2 magnetic island, which enhances the current viscosity, resulting in explosive growth. The threshold condition and the time-scale of the rapid growth are studied. The role of the toroidal coupling to the m=1 component is also discussed.

Original languageEnglish
Article numberI13
Pages (from-to)1851-1855
Number of pages5
JournalNuclear Fusion
Volume32
Issue number10
DOIs
Publication statusPublished - 1992

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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