Beam ion driven instabilities in the national spherical tokamak experiment

N. N. Gorelenkov, E. Belova, H. L. Berk, C. Z. Cheng, E. Fredrickson, W. W. Heidbrink, S. Kaye, G. J. Kramer

研究成果: Article

32 引文 斯高帕斯(Scopus)

摘要

Low and high frequency beam ion driven instabilities in the National Spherical Tokamak Experiment (NSTX) plasma were analyzed. Low frequency magnetohydrodynamics (MHD) activities in ∼100 kHz frequency range on NSTX were often observed and identified as the TAEs driven by beam ions. It was shown that there was a large uncertainty in the experimental plasma parameters upon which the numerical model was based for the low-n TAE instabilities. The analysis helps to validate the NOVA/NOVA-K predictions that TAEs will be unstable in ITER if driven by fusion alphas in a plasma with T i0>20 KeV.

原文English
頁(從 - 到)2586-2593
頁數8
期刊Physics of Plasmas
11
發行號5 PART 2
DOIs
出版狀態Published - 2004 五月 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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    Gorelenkov, N. N., Belova, E., Berk, H. L., Cheng, C. Z., Fredrickson, E., Heidbrink, W. W., Kaye, S., & Kramer, G. J. (2004). Beam ion driven instabilities in the national spherical tokamak experiment. Physics of Plasmas, 11(5 PART 2), 2586-2593. https://doi.org/10.1063/1.1689667