Observation of flow reversal in plasmas with a neoclassical internal transport barrier in CHS

K. Ida, T. Minami, Y. Yoshimura, A. Fujisawa, C. Suzuki, M. Yokoyama, S. Murakami, S. Okamura, S. Nishimura, M. Isobe, H. Iguchi, K. Itoh, S. Kado, Y. Liang, I. Nomura, M. Osakabe, C. Takahashi, K. Tanaka, K. Matsuoka

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

A reversal of toroidal flow is observed in plasmas where a large positive electric field and a sharp electron temperature gradient are sustained inside the internal transport barrier in a compact helical system. This observation shows that the spontaneous toroidal flow in the direction anti-parallel to the <Er × Bθ> drift becomes large enough to reverse the toroidal flow driven by a tangentially injected neutral beam. The difference in the direction and the magnitude of the spontaneous toroidal flow are also discussed.

Original languageEnglish
Pages (from-to)361-370
Number of pages10
JournalPlasma Physics and Controlled Fusion
Volume44
Issue number3
DOIs
Publication statusPublished - Mar 1 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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