Time-Dependent NBI-Heating Simulation of LHD Plasmas Using Toroidal Transport Analysis Linkage Code
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概要
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Time-dependent simulation of neutral-beam-heated LHD plasmas has been carried out using the Toroidal Transport Analysis Linkage (TOTAL) simulation code focusing on the time evolutions of beam energy and kinetic energy. This code consists of three-dimensional equilibrium VMEC with bootstrap currents and a onedimensional transport HTRANS with neoclassical loss determined by ambipolar radial electric field as well as anomalous transport. Neutral beam deposition is calculated using the Monte Carlo code HFREYA, and the slowing down process was calculated using the Fast Ion Fokker-Plank code FIFPC. The simulated time evolution of total energy, including beam energy, roughly agrees with the time evolution of the experimentally measured energy. The temporal change in the beam velocity distribution is also clarified.
著者
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FUNABA Hisamichi
National Insitute for Fusion Science
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Arimoto Hideki
Nagoya University
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YAMAZAKI Kozo
Nagoya University
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SHOJI Tatsuo
Nagoya University
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FUNABA Hisamichi
National Institute for Fusion Science, 322-6 Oroshi-cho, Toki 509-5292, Japan
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OHNISHI Takumi
Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
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