Edge thermal transport barrier in LHD discharges

N. Ohyabu, K. Narihara, H. Funaba, T. Morisaki, S. Masuzaki, K. Kawahata, A. Komori, O. Kaneko, H. Yamada, P. de Vries, M. Emoto, M. Goto, Y. Hamada, K. Ida, H. Idei, S. Inagaki, N. Inoue, S. Kado, S. Kubo, R. KumazawaT. Minami, J. Miyazawa, S. Morita, S. Murakami, T. Mutoh, S. Muto, Y. Nagayama, Y. Nakamura, H. Nakanishi, K. Nishimura, N. Noda, T. Kobuchi, S. Ohdachi, K. Ohkubo, Y. Oka, M. Osakabe, T. Ozaki, B. J. Peterson, A. Sagara, S. Sakakibara, R. Sakamoto, H. Sasao, M. Sasao, K. Sato, K. Saito, M. Sato, T. Seki, T. Shimozuma, M. Shoji, H. Suzuki, S. Sudo, Y. Takeiri, K. Tanaka, K. Toi, T. Tokuzawa, K. Tsumori, K. Tsuzuki, I. Yamada, S. Yamaguchi, K. Yamazaki, M. Yokoyama, K. Y. Watanabe, T. Watari, O. Motojima

研究成果: ジャーナルへの寄稿学術誌査読

58 被引用数 (Scopus)


In LHD discharges a significant enhancement of the global energy confinement has been achieved for the first time in a helical device with an edge thermal barrier, which exhibits a sharp gradient at the edge of the temperature profile. Key features associated with the barrier are quite different from those seen in tokamaks: (i) almost no change in particle (including impurity) transport, (ii) a gradual formation of the barrier, (iii) a very high ratio of the edge temperature to the average temperature, and (iv) no edge relaxation phenomenon. These features are very attractive in applying the thermal barrier to future reactor grade devices.

ジャーナルPhysical review letters
出版ステータス出版済み - 2000

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学一般


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