Toroidal Electric Field Effect and Non-Linear Effect on Electron Cyclotron Current Drive in the JT-60U
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- SUZUKI Takahiro
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- IDE Shunsuke
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- HAMAMATSU Kiyotaka
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- PETTY C.C.
- General Atomics
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- LAO L.L.
- General Atomics
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- ISAYAMA Akihiko
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- FUJITA Takaaki
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- IKEDA Yoshitaka
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- SEKI Masami
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- MORIYAMA Shinichi
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- FUKUYAMA Atsushi
- Graduate School of Engineering, Kyoto University
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抄録
Recent progress in the development of electron cyclotron heating⁄current drive systems in regard to power and pulse duration have allowed the extension of two normalized parameters (toroidal electric field Eφ and wave power density p). In the extended regime, the conventional theory requires consideration of a distorted electron distribution function. The first validation of the ECCD theory in the extended regime having large Eφ and p is presented. Linear calculation has a tendency to overestimate the EC driven current, as normalized parameters for Eφ and p increase. While the EC driven current IEC obtained by a linearized Fokker-Planck calculation (1.1 MA) did not agree with the measured EC driven current (0.74 ± 0.06MA), non-linear calculation of the Fokker-Planck equation considering the effect of Eφ (0.76 MA) shows close agreement with the experimental result. Calculations show that the decreasing effect of Eφ on IEC was stronger than the increasing effect of p on IEC in the experiment.
収録刊行物
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- プラズマ・核融合学会誌
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プラズマ・核融合学会誌 80 (6), 511-515, 2004
社団法人 プラズマ・核融合学会
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詳細情報
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- CRID
- 1390282681490207744
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- NII論文ID
- 110003827720
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- NII書誌ID
- AN10401672
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- COI
- 1:CAS:528:DC%2BD2cXntVymsrk%3D
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- NDL書誌ID
- 7011429
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- ISSN
- 09187928
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可