Effect of Lower Hybrid Wave Heating on Alpha-Particle Dynamics

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概要

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• Effects of lower hybrid wave (LHW) heating on alpha particle dynamics in a large tokamak such as TFTR are investigated numerically. By use of a single particle code which includes the interaction with LHW, the diffusion coefficients of the particles in real and magnetic moment spaces are evaluated. The characteristic feature of the wave-particle interaction is that the alphas interact with the wave almost whole poloidal cross-section due to their large Larmor radii. It is found that LHW heating causes spatial diffusion as well as velocity diffusion and the characteristic time of orbit loss due to stochastic diffusion of the alpha particles with rather large banana width is of the order of or shorter than their slowing-down time.

• 核融合科学研究所の論文

著者

• Tanaka Sho

  Research Information Center Institute Of Plasma Physics Nagoya University:department Of Electrical E

• OKUDA Takayoshi

  Department of Electronics, Nagoya University

• TANAKA Sho

  Department of Physics, Kyoto University

• TAKAMURA Shuichi

  Department of Electrical Engineering, Faculty of Engineering, Nagoya University

• SUGIHARA Ryo

  Institute of Plasma Physics, Nagoya University

• Sugihara R

  Nagoya Univ. Nagoya

• Sugihara Ryo

  Institute Of Plasma Physics Nagoya University

• Tanaka Sho

  Department Of Biomolecular Engineering Graduate School Of Engineering Tohoku University

• Okuda Takayoshi

  Department Of Electrical Engineering Faculty Of Engineering Nagoya University

• Okuda Takayoshi

  Research Information Center Institute Of Plasma Physics Nagoya University:department Of Electrical E

• Takamura Shuichi

  Research Information Center Institute Of Plasma Physics Nagoya University:department Of Electrical E

• Takamura Shuichi

  Department Of Electrical Engineering Faculty Of Engineering Nagoya University

• TAKAMURA Shuichi

  Department of Electrical and Electronics Engineering, Faculty of Engineering, Aichi Institute of Technology,Toyota 470-0392, Japan

• TAKAMURA Shuichi

  Department of Electrical and Electronic Engineering, Faculty of Engineering, Aichi Institute of Technology, Toyota 470-0392, Japan

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