Overview of long pulse operation in the Large Helical Device

M. Fujiwara, Y. Takeiri, T. Shimozuma, T. Mutoh, Y. Nakamura, S. Yamada, S. Sudo, K. Kawahata, Y. Oka, M. Sato, N. Noda, A. Iiyoshi, K. Adachi, K. Akaishi, N. Ashikawa, H. Chikaraishi, P. C. De Vries, M. Emoto, H. Funaba, M. GotoK. Ida, H. Idei, K. Ikeda, S. Imagawa, S. Inagaki, M. Isobe, A. Iwamoto, S. Kado, O. Kaneko, S. Kitagawa, T. Kobuchi, A. Komori, S. Kubo, Y. Kubota, R. Kumazawa, R. Maekawa, S. Masuzaki, T. Minami, T. Mito, J. Miyazawa, T. Morisaki, S. Morita, S. Murakami, S. Muto, Y. Nagayama, H. Nakanishi, K. Narihara, A. Nishimura, K. Nishimura, A. Nishizawa, S. Ohdachi, N. Ohyabu, M. Osakabe, T. Ozaki, B. J. Peterson, K. Saito, A. Sagara, S. Sakakibara, R. Sakamoto, H. Sasao, M. Sasao, K. Sato, T. Seki, M. Shoji, H. Sugama, H. Suzuki, K. Takahata, M. Takeuchi, H. Tamura, K. Tanaka, K. Toi, T. Tokuzawa, K. Tsumori, K. Y. Watanabe, T. H. Watanabe, T. Watari, H. Yamada, I. Yamada, S. Yamaguchi, S. Yamamoto, N. Yanagi, M. Yokoyama, Y. Yoshimura, Y. Hamada, K. Itoh, K. Matsuoka, K. Murai, K. Ohkubo, I. Ohtake, M. Okamoto, S. Satoh, T. Satow, S. Tanahashi, K. Yamazaki, O. Motojima

研究成果: Contribution to journalArticle

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抜粋

The Large Helical Device is the world's largest heliotron type helical system, with the plasma confining magnetic field being generated by only external superconducting coils. One of the main objectives of the LHD project is to sustain high temperature plasmas for a long time in steady state. The plasma vacuum vessel and the divertor are water cooled, and a heat load of 3 MW can be removed continuously. The NBI, ECH and ICRF heating systems, diagnostic instruments and data acquisition system are designed for long pulse operation. The present status of these systems and the recent experimental results of long pulse operation are reviewed. A steady state discharge with NBI was obtained for 35 s. The ECH discharge duration was extended to 120 s with a duty factor of 95%. Plasma sustainment by ICRF alone was achieved for 2 s. The performance of these long pulse operations is summarized.

元の言語英語
ページ(範囲)1157-1166
ページ数10
ジャーナルNuclear Fusion
40
発行部数6
DOI
出版物ステータス出版済み - 6 1 2000
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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    Fujiwara, M., Takeiri, Y., Shimozuma, T., Mutoh, T., Nakamura, Y., Yamada, S., Sudo, S., Kawahata, K., Oka, Y., Sato, M., Noda, N., Iiyoshi, A., Adachi, K., Akaishi, K., Ashikawa, N., Chikaraishi, H., De Vries, P. C., Emoto, M., Funaba, H., ... Motojima, O. (2000). Overview of long pulse operation in the Large Helical Device. Nuclear Fusion, 40(6), 1157-1166. https://doi.org/10.1088/0029-5515/40/6/313