Extended operational regimes and MHD behavior in a low-aspect-ratio reversed field pinch in RELAX

R. Ikezoe, K. Oki, T. Onchi, Y. Konishi, M. Sugihara, S. Fujita, A. Sanpei, H. Himura, S. Masamune

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

Operational regimes have been investigated over a wide range of discharge parameters in a low-aspect-ratio (low-A) reversed field pinch (RFP) RELAX. Two distinctive regimes have been identified, possibly characteristic to low-A RFP. One is a very shallow-reversal regime, and the other is an extremely deep-reversal regime where a field-reversal parameter lower than-1 could be sustained. Innewly attained extremely deep-reversal plasmas, the amplitudes of the resonant modes were suppressed to a lower level with enhanced soft-x-ray emission intensity. The extremely deep-reversal regime in low-A RFP may have a potential to become a new operational regime with improved plasma performance.

本文言語英語
論文番号025003
ジャーナルPlasma Physics and Controlled Fusion
53
2
DOI
出版ステータス出版済み - 2 2011
外部発表はい

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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