Excitation, Impact and Control of Toroidicity-Induced Alfven Eigenmodes in the JT-60U ICRF Experiments

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概要

• 論文の詳細を見る

• Toroidicity-induced Alfven eigenmodes (TAE modes) are investigated in JT-60U in ITER-relevant conditions, i.e., the plasma current (I_P) up to 4 MA and the safety factor down to 2.8, using second harmonic minority ion ICRF heating. Higher n (toroidal mode number) modes appear with increasing I_P . Reduction of MeV ion population due to TAE modes is in proportion to TAE mode amplitudes, but becomes less important at high density, although TAE amplitudes are still large. It is demonstrated that the non-inductive current profile control method is effective for control of TAE modes.

• 社団法人プラズマ・核融合学会の論文
• 1995-11-25

著者

• Fujii T

  Univ. Tokyo Tokyo Jpn

• SAIGUSA Mikio

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute

• KIMURA Haruyuki

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute

• FUJII Tsuneyuki

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute

• Saigusa Mikio

  Ibaraki University

• Kimura H

  Japan Atomic Energy Res. Inst. Ibaraki Jpn

• Kondoh T

  Japan Atomic Energy Res. Inst. Ibaraki Jpn

• Kondoh Takashi

  Naka Fusion Research Establishment

• FUJII Tsuneyuki

  Japan Atomic Energy Research Institute

• MORIYAMA Shinichi

  Japan Atomic Energy Research Institute

• OZEKI Takahisa

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute

• MORIYAMA Shinichi

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute

• Ozeki Takahisa

  Naka Fusion Research Establishment Japan Atomic Energy Research Institute

• Moriyama S

  Japan Atomic Energy Res. Inst. Ibaraki Jpn

• Ozeki T

  Japan Atomic Energy Res. Inst. Ibaraki Jpn

• Moriyama S

  Japan Atomic Energy Research Institute

• 木村 晴行

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute

• Saigusa Mikio

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute, Naka, Ibaraki 311-01, Japan

• Fujii Tsuneyuki

  Naka Fusion Research Establishment, Japan Atomic Energy Research Institute, Naka, Ibaraki 311-01, Japan

関連論文

• Effects of Nonlinear Wave Absorption on the Radiation Loss Fraction during Second Harmonic Minority Ion Cyclotron Resonance Heating Experiments in JT-60U
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• Real-time Impedance Matching by Frequency Feedback Control in Ion Cyclotron Range of Frequency Heating Experiments in JT-60U and Future Tokamaks
• A Mock-Up Test of a Ceramic-Free Antenna Feeder of the Ion Cyclotron Heating System for Next-Generation Tokamaks
• Excitation, Impact and Control of Toroidicity-Induced Alfven Eigenmodes in the JT-60U ICRF Experiments
• Estimation of Current Profile during Ion Cyclotron Range of Frequency Heated Discharges Characterized by Sawtooth Stabilization and Crash in JT-60U
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