Initial Plasma Confinement Experiments in Tokamak-Helical Hybrid Device TOKASTAR-2
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概要
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A tokamak-helical hybrid device TOKASTAR-2 with outboard helical field coils located outside the toroidal field coil system was constructed. Initial plasmas are produced by the electron cyclotron heating scheme, and the plasma electron density profile is measured using electrostatic double Langmuir probes. The peak location of measured electron density profile in the radial direction agrees with the first electron cyclotron resonance layer at initial beak-down period and at final disappearance period of the plasma discharge. The suppression of bursting electron density oscillations and the shift of plasma density profile are observed in the case of applying outboard helical magnetic field.
著者
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Yamazaki Kozo
Department Of Nuclear Engineering Faculty Of Engineering University Of Tokyo
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Shoji Tatsuo
Department Of Energy Engineering And Science Nagoya University
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Arimoto Hideki
Department Of Energy Engineering And Science Nagoya University
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Hasegawa Makoto
Department Of Applied Photonics System Technology Chitose Inst. Of Science And Technology
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OISHI Tetsutarou
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
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OISHI Tetsutarou
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8093, Japan
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OKANO Koki
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
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BABA Kazuhisa
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8093, Japan
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ARIMOTO Hideki
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
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OISHI Tetsutarou
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University
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YAMAZAKI Kozo
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University
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SHOJI Tatsuo
Department of Energy Engineering and Science, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
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Shoji Tatsuo
Department of Electronics, Tohoku Institute of Technology
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