トカマクにおける強磁性体製真空容器の作る磁場の評価 [in Japanese] Evaluation of Magnetic Field due to Ferromagnetic Vacuum Vessel in Tokamak [in Japanese]
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- 中山 武 NAKAYAMA Takeshi
- 株式会社日立製作所 Power & Industrial Systems R&D Division
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- 阿部 充志 ABE Mitsushi
- 株式会社日立製作所 Power & Industrial Systems R&D Division
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- 田所 孝広 [他] TADOKORO Takahiro
- 株式会社日立製作所 Power & Industrial Systems R&D Division
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- 三浦 幸俊 MlURA Yukitoshi
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- 鈴木 紀男 SUZUKI Norio
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- 佐藤 正泰 SATO Masayasu
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- 仙台 盛夫 SENGOKU Seio
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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Author(s)
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- 中山 武 NAKAYAMA Takeshi
- 株式会社日立製作所 Power & Industrial Systems R&D Division
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- 阿部 充志 ABE Mitsushi
- 株式会社日立製作所 Power & Industrial Systems R&D Division
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- 田所 孝広 [他] TADOKORO Takahiro
- 株式会社日立製作所 Power & Industrial Systems R&D Division
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- 三浦 幸俊 MlURA Yukitoshi
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- 鈴木 紀男 SUZUKI Norio
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- 佐藤 正泰 SATO Masayasu
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- 仙台 盛夫 SENGOKU Seio
- 日本原子力研究所 Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
Abstract
We evaluated magnetic fields due to the ferromagnetic vacuum vessel(FVV)in the Hitachi Tokamak HT-2 experimentally and computationally, the results were extrapolated to the JFT-2M and ITER. The maximum amount of local poloidal field on the magnetic axis induced by the FVV port was about 5mT in the HT-2. This is the allowable amount of the field to discharge plasma in the HT-2. The proportion of external poloidal field shielded by FVV is in inverse proportion to external toroidal field. The stronger the field induced by FVV, the smaller the distance between plasma center and vacuum vessel wall. The delay time of poloidal field penetration due to the FVV is small, as long as the toroidal field is supplied.
Journal
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- Journal of plasma and fusion research
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Journal of plasma and fusion research 74(3), 274-283, 1998-03-25
プラズマ・核融合学会
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ABE Mitsushi , NAKAYAMA Takeshi , ASANO Katsuhiko , OTSUKA Michio
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SATO Masayasu , MIURA Yukitoshi , KIMURA Haruyuki , KAWASHIMA Hisato , SENGOKU Seio , YAMAMOTO Masahiro , KOIKE Tsuneyuki , SHIBATA Takatoshi , AKIYAMA Takashi , ABE Mitsushi , NAKAYAMA Takeshi , OHTSUKA Michio , HASEGAWA Mitsuru , SATO Fumitake , YAMANE Minoru , SUZUKI Yutaka
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