Overview of progress in LHD experiments

A. Komori, T. Morisaki, T. Mutoh, S. Sakakibara, Y. Takeiri, R. Kumazawa, S. Kubo, K. Ida, S. Morita, K. Narihara, T. Shimozuma, K. Tanaka, K. Y. Watanabe, H. Yamada, M. Yoshinuma, T. Akiyama, N. Ashikawa, M. Emoto, H. Funaba, M. GotoT. Ido, K. Ikeda, S. Inagaki, M. Isobe, H. Igami, K. Itoh, O. Kaneko, K. Kawahata, T. Kobuchi, S. Masuzaki, K. Matsuoka, T. Minami, J. Miyazawa, S. Muto, Y. Nagayama, Y. Nakamura, H. Nakanishi, Y. Narushima, K. Nishimura, M. Nishiura, A. Nishizawa, N. Noda, S. Ohdachi, Y. Oka, M. Osakabe, N. Ohyabu, T. Ozaki, B. J. Peterson, A. Sagara, K. Saito, R. Sakamoto, K. Sato, M. Sato, T. Seki, M. Shoji, S. Sudo, N. Tamura, K. Toi, T. Tokuzawa, K. Tsumori, T. Uda, T. Watari, I. Yamada, M. Yokoyama, Y. Yoshimura, O. Motojima, C. D. Beidler, T. Fujita, A. Isayama, Y. Sakamoto, H. Takenaga, P. Goncharov, K. Ishii, M. Sakamoto, S. Murakami, T. Notake, N. Takeuchi, S. Okajima, M. Sasao

研究成果: Contribution to journalArticle

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Remarkable progress to access the reactor-relevant regime has been made in a recent experiment in the Large Helical Device. Optimizing the rotational transform, the average beta value of 4.3%, which is the highest record among helical devices, was achieved. The high-performance plasma with a fusion triple product up to ∼2.2×1019 m-3·keV·s was sustained for >7 s by repetitive hydrogen pellet injection. With regard to steady-state operation, which is one of the key issues to realize a fusion reactor, discharges for >30 min were successfully sustained by ion cyclotron range of frequency heating with the aid of the magnetic axis swing technique to reduce the heat load to the plasma-facing component. In the discharge, the total input energy to the plasma reached 1.3 GJ, which also established a new record.

元の言語英語
ページ(範囲)136-145
ページ数10
ジャーナルFusion Science and Technology
50
発行部数2
DOI
出版物ステータス出版済み - 8 2006
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

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    Komori, A., Morisaki, T., Mutoh, T., Sakakibara, S., Takeiri, Y., Kumazawa, R., Kubo, S., Ida, K., Morita, S., Narihara, K., Shimozuma, T., Tanaka, K., Watanabe, K. Y., Yamada, H., Yoshinuma, M., Akiyama, T., Ashikawa, N., Emoto, M., Funaba, H., ... Sasao, M. (2006). Overview of progress in LHD experiments. Fusion Science and Technology, 50(2), 136-145. https://doi.org/10.13182/FST06-A1229