Electron Cyclotron Heating Start-Up Experiments on TST-2

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概要

• 論文の詳細を見る

• Experiments were performed to study non-inductive current generation by electron cyclotron heating (ECH) in the TST-2 spherical tokamak. A magnetron (2.45 GHz/5 kW) and a horn antenna were used to inject either the O- or X-mode. The maximum plasma current does not depend on the injected wave polarization; however, it has a weak dependence on the vertical field configuration and is proportional to the vertical field. The initial current ramp-up rate depends on various operational parameters. The ramp-up rate increases with the injected EC wave power, and decreases with the filling pressure, resonance position (i.e., the toroidal field strength), and vertical field strength. It also depends on the magnetic field configuration. Conversely, the ramp-up rate does not depend on wave polarization, suggesting that multiple pass absorption of the EC wave is important.

• 社団法人 プラズマ・核融合学会の論文

著者

• Takase Yuichi

  Graduate School Of Frontier Sciences The Univ. Of Tokyo

• Ejiri Akira

  Graduate School Of Frontier Science University Of Tokyo

• Sasaki Makoto

  Graduate School Of Environmental Earth Science Hokkaido University

• SUGIYAMA Junichi

  Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan

• OOSAKO Takuya

  Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan

• ADACHI Yuuki

  Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan

• KAINAGA Soichiro

  Graduate School of Sciences, The University of Tokyo, Bunkyo 113-0033, Japan

• MASUDA Tetsuya

  Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan

• TOJO Hiroshi

  Graduate School of Frontier Sciences, The University of Tokyo

• WATANABE Osamu

  High Temperature Plasma Center, The University of Tokyo, Kashiwa 277-8561, Japan

• MASUDA Tetsuya

  Graduate School of Frontier Sciences, The University of Tokyo

• SUGIYAMA Junichi

  Graduate School of Frontier Sciences, The University of Tokyo

• KAINAGA Soichiro

  Graduate School of Science, The University of Tokyo

• OOSAKO Takuya

  Graduate School of Frontier Sciences, The University of Tokyo

• TAKASE Yuichi

  Graduate School of Frontier Science, University Tokyo, Kashiwa 277-8561, Japan

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