Alternating-current ohmic heating in a helical stellarator

Yasuyuki Funato, Sumio Kitajima, Hiroshige Watanabe

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A toroidal plasma is generated successively by an alternating-current discharge in a helical or non-planar torus, and is confined quasi-stationarily by a longitudinal magnetic field with a high rotational transform angle. The particle confinement time obtained experimentally is estimated to be 3-10 ms, which is compared with theoretical values for this system, and is much larger than the time of pulse interval of the plasma production.

Original languageEnglish
Pages (from-to)L779-L781
JournalJapanese journal of applied physics
Issue number10
Publication statusPublished - 1984 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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