Sawtooth-triggered limit-cycle oscillations and I-phase in the HL-2A tokamak

نویسندگان

  • K. J. Zhao
  • J. Cheng
  • P. H. Diamond
  • J. Q. Dong
  • L. W. Yan
  • W. Y. Hong
  • M. Xu
  • G. Tynan
  • K. Miki
  • Z. H. Huang
  • K. Itoh
  • S. -I. Itoh
  • A. Fujisawa
  • Y. Nagashima
  • S. Inagaki
  • Z. X. Wang
  • L. Wei
  • X. M. Song
  • G. J. Lei
  • Q. Li
  • X. Q. Ji
  • Yi. Liu
  • Q. W. Yang
  • X. T. Ding
  • X. R. Duan
چکیده

Transitions between low (L-mode) and intermediate (I-phase) confinement regimes triggered by sawteeth are investigated by using multiple Langmuir probe arrays in the edge plasmas of the HL-2A tokamak. The I-phase is characterized by limit cycle oscillations (LCOs). Repeated L-I-L transitions induced by sawtooth heat pulses are also observed. The statistical analyses show that the delay time of the L-I transition

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تاریخ انتشار 2017