Observations of neutral beam and ICRF tail ion losses due to Alfvén modes in TFTR

D. S. Darrow, S. J. Zweben, Z. Chang, C. Z. Cheng, M. D. Diesso, E. D. Fredrickson, E. Mazzucato, R. Nazikian, C. K. Phillips, S. Popovichev, M. H. Redi, R. B. White, J. R. Wilson, K. L. Wong

研究成果: Article

34 引文 斯高帕斯(Scopus)

摘要

Experimental observations from TFTR of fast ion losses resulting from the toroidicity induced Alfvén eigenmode (TAE) and the Alfvén frequency mode (AFM) are presented. The AFM was driven by neutral beam ions, at low BT and the TAE was excited by hydrogen minority ion cyclotron range of frequencies (ICRF) tail ions at higher BT. The measurements indicate that the loss rate varies linearly with the mode amplitude for both modes, and that the fast ion losses during the mode activity can be significant, with tens of per cent of the input power lost in the worst cases.

原文English
頁(從 - 到)939-954
頁數16
期刊Nuclear Fusion
37
發行號7
DOIs
出版狀態Published - 1997 七月

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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    Darrow, D. S., Zweben, S. J., Chang, Z., Cheng, C. Z., Diesso, M. D., Fredrickson, E. D., Mazzucato, E., Nazikian, R., Phillips, C. K., Popovichev, S., Redi, M. H., White, R. B., Wilson, J. R., & Wong, K. L. (1997). Observations of neutral beam and ICRF tail ion losses due to Alfvén modes in TFTR. Nuclear Fusion, 37(7), 939-954. https://doi.org/10.1088/0029-5515/37/7/I03