E × B Plasma Rotation and n = 1 Oscillation Observed in the NSTX-CHI Experiments
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概要
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In the National Spherical Torus Experiment (NSTX), a peak plasma current up to 390 kA has been successfully generated by the Coaxial Helicity Injection (CHI) current drive method. The plasma rotation (∼ 20 km/s) driven in the E × B toroidal direction by CHI has been clearly identified by an ion Doppler spectroscopic measurement. The n = 1 mode has been also observed to rotate in the same direction. This rotating kink behavior observed for the first time in NSTX is consistent with the electron locking model developed in the Helicity Injected Torus-II (HIT-II) experiments to explain the mechanism of CHI current drive.
著者
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RAMAN Roger
University of Washington
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Jarboe Thomas
University of Washington
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Bell Michael
Princeton Plasma Physics Laboratory
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Mueller Dennis
Princeton Plasma Physics Laboratory
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Nelson Brian
University of Washington
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Nagata Masayoshi
University of Hyogo
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SOUKHANOVSKII Vlad
Lawrence Livermore National Laboratory
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BELL Ronald
Princeton Plasma Physics Laboratory
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