<RESEARCH REPORT>Experimental Characteristics of Ion Bernstein Wave Heating on JIPP T-IIU Tokamak

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概要

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• The directly launched Ion Bernstein Wave (IBW) heating experiments have been carried out on JIPP T-IIU tokamak for two experimental conditions;(a) the "3rd-branch" of the IBW between 3rd- and 4th-cyclotron harmonics of the deuterium, and (b) the "2nd-branch" of the IBW between 2nd- and 3rd-cyclotron harmonics. In the case (a), the direct hydrogen heating at ω=1.5Ω_H has been found in previous experiments. Here we present additional data to support this subharmonics heating, i. e., the spectroscopic measurement of FeXVIII lines and mass separated analysis of charge-exchange neutrals. While, in the case (b), the remarkable increase of the electron temperature has been observed, especially at the central region of the plasma, and it has been estimated from the global energy balance that almost all of IBW power is delivered to the electron. To investigate this difference of the heating mode, the power absorption has been calculated with the ray tracing code, taking into account of the effect of the plasma/antenna coupling. It is concluded from the consideration of the electron Landau damping that the transition from the ion heating mode to the electron one would be explained by the difference of the electron temperature at the ohmic phase; i. e., T_e (0)=0.7 keV for the case (a) and T_e (0)=1.3 keV for the case (b).

• 核融合科学研究所の論文

著者

• Toi K.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Watari T.

  Institute of Laser Engineering, Osaka Univ.

• Sato K.

  Institute of Plasma Physics, Nagoya University

• Toi K.

  Institute of Plasma Physics, Nagoya University

• ANDO R.

  Institute of Plasma Physics, Nagoya University

• KAKO E.

  Institute of Plasma Physics, Nagoya University

• KAWAHATA K.

  Institute of Plasma Physics, Nagoya University

• KAWASUMI Y.

  Institute of Plasma Physics, Nagoya University

• MORITA S.

  Institute of Plasma Physics, Nagoya University

• OGAWA Y.

  Institute of Plasma Physics, Nagoya University

• TANAHASHI S.

  Institute of Plasma Physics, Nagoya University

• TANIGUCHI Y.

  Institute of Plasma Physics, Nagoya University

• Tanaka S.

  Biol. Lab. Nippon Med. Schl.

• Sato K.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Kawahata K.

  Research Information Center Institute Of Plasma Physics Nagoya University

• ANDO R.

  Research Information Center, Institute of Plasma Physics, Nagoya University

• KAWASUMI Y.

  Research Information Center, Institute of Plasma Physics, Nagoya University

• Hirokura Y.

  Institute of Plasma Physics, Nagoya University

• Kako E.

  Research Information Center Institute Of Plasma Physics Nagoya University:national Laboratory For Hi

• Kawasumi Y.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Hirokura Y.

  Institute Of Plasma Physics Nagoya University

• Sato K.

  Institute Of Plasma Physics Nagoya University

• Sunako K.

  Research Information Center Institute Of Plasma Physics Nagoya University:tokai University

• Kadota K.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Terumichi Y.

  Research Information Center Institute Of Plasma Physics Nagoya University:department Of Physics Facu

• Ando R.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Sato K.

  Dept. Biol. Fac. Sci. Tokyo Metro. Univ.

• Sato K.

  Research Information Center Institute Of Plasma Physics Nagoya University:tokai University

• Takasugi K.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Watari T.

  Institute Of Plasma Physics Nagoya University

• Osanai Y.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Tanahashi S.

  Research Information Center Institute Of Plasma Physics Nagoya University

• Watari T.

  Institute Of Laser Engineering Osaka Univ.

• Kawahata K.

  Plasma Physics Laboratory Kyoto University

• Kawahata K.

  Institute Of Plasma Physics Nagoya University

• Okubo Y.

  Institute Of Plasma Physics Nagoya University

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