核融合システム研究系

准教授 時谷 政行

メールアドレス

tokitani.masayuki

研究課題

超高熱流プラズマ対向機器開発

研究内容

核融合炉のプラズマ対向壁の中で最も高い熱・粒子負荷を受けるダイバータ受熱機器の研究開発を行っている.

主要論文
  1. Demonstration of suppression of dust generation and partial reduction of the hydrogen retention by tungsten coated graphite divertor tiles in LHM. Tokitani, S. Masuzaki, T. Murase, the LHD Experiment GrouNuclear Materials and Energy 18 (2019) 23–28
  2. Plasma-wall interaction on the divertor tiles of JET ITER-like wall from the viewpoint of micro/nanoscopic observationM. Tokitani, M. Miyamoto, S. Masuzaki, R. Sakamoto, Y. Oya, Y. Hatano, T. Otsuka, M. Oyaidzu, H. Kurotaki, T. Suzuki, D. Hamaguchi, K. Isobe, N. Asakura, A. Widdowson, K. Heinola, M. Rubel, JET ContributorFusion Engineering and Design 136 (2018) 199–204
  3. Fabrication of divertor mock-up with ODS-Cu and W by the improved brazing techniquM. Tokitani, Y. Hamaji, Y. Hiraoka, S. Masuzaki, H. Tamura, H. Noto, T. Tanaka, T. Muroga, A. Sagara, FFHR Design GrouNucl. Fusion 57 (2017) 076009
  4. Initial growth phase of W-fuzz formation in ultra-long pulse helium discharge in LHM. Tokitani, S. Masuzaki, H. Kasahara, Y. Yoshimura, R. Sakamoto, N. Yoshida, Y. Ueda, T. Mutoh, LHD Experiment Group, S. NagatNuclear Materials and Energy 12 (2017) 1358–1362
  5. Potential of Copper Alloys using a Divertor Heat Sink in the Helical Reactor FFHR-d1 and their Brazing Properties with Tungsten Armor by using the Typical Candidate Filler MaterialM. Tokitani, S. Masuzaki, Y. Hiraoka, H. Noto, H. Tamura, T. Tanaka, T. Muroga, A. Sagara, FFHR Design GrouPlasma and Fusion Research Vol.10 (2015) 3405035
キーワード

ダイバータ,接合,金属材料

興味を持っていること