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Recent results of LH experiments on the JT-60 tokamak

1990; IOP Publishing; Volume: 32; Issue: 11 Linguagem: Inglês

10.1088/0741-3335/32/11/003

1361-6587

N. Akaoka, H. Akasaka, Masato Akiba, N. Akino, T. Ando, K. Annou, T. Aoyagi, Takashi Arai, K. Arakawa, M. Araki, M. Azumi, Shunsuke Chiba, M. Dairaku, N. Ebisawa, T. Fujii, T. Fukuda, A. Funahashi, Hiromitsu Furukawa, Hideho Gunji, K. Hamamatsu, M. Hanada, Masahide Hara, Koshi Haraguchi, H. Hiratsuka, T. Hirayama, Seiji HIROKI, K Hiruta, M. Honda, M. Honda, Hiroshi Horiike, N. Hosogane, Yohei Iida, Toshinori IIJIMA, Ken‐ichi Ikeda, Y. Ikeda, T. Imai, T. Inoue, N Isaji, M. Isaka, N Isei, S. Ishida, K. Itami, N Itige, Takeshi Ito, T Kakizaki, Yoshihiro Kamada, A. Kaminaga, Tetsuya Kaneko, M. Kawai, M Kawabe, Y. Kawamata, Y. Kawano, Kenji Kikuchi, M. Kikuchi, H. Kimura, T. Kimura, Hiroshi Kishimoto, Satoshi Kitamura, K. Kiyono, K. Kodama, Y. Koide, T. Koide, T. Kobayashi, M. Komata, I. Kondo, Tatsuo KONDO, S. Konoshima, Hiroshi Kubo, S Kunieda, K. Kurihara, M. Kuriyama, M. Kusaka, Y. Kusama, T. Kushima, M. Maeno, T. Matoba, S. Matsuda, M. Matsukawa, M. Matsuoka, Y. Matsuzaki, Y. Miura, N. Miya, K. Miyachi, Kouji Miyake, Y. Miyo, M. Mizuno, K. Mogaki, S. Moriyama, Yoshio Murakami, M. Muto, M. Nagami, Akira Nagashima, Keisuke Nagashima, T. Nagashima, S Nagaya, K. Nagayama, O. Naito, H. Nakamura, Tatsuo Nagafuji, Hiromi Nemoto, Masahiro Nemoto, Y. Neyatani, H. Ninomiya, N. Nishino, T. Nishitani, H. Nobusaka, H Nomata, Akira Oikawa, Kenjiro Obara, K. Odajima, N. Ogiwara, T. Ohga, Y. Ohara, H. Oohara, T Ohshima, Kazuya OHTA, M. Ohta, Shinichi Ohuchi, Y. Ohuchi, Y. Ohuchi, H Okumura, K. Omori, Shunzō ŌMORI, Y Omori, T. Ozeki, M Saegusa, N Saitoh, A. Sakasai, Shinya Sakata, T. Sakuma, T. Sasajima, K. Satou, Mamoru Satou, Mamoru Satou, M. Sawahata, M Seimiya, M. Seki, M. Seki, S Seki, K. Shibanuma, Masashi Shimada, Kazuo Shimizu, Masatsugu SHIMIZU, Y. Shimomura, S. Shinozaki, Hiroshi Shirai, H. Shirakata, M. Shitomi, K. Suganuma, T. Sugawara, Toshiharu Sugie, H. Sunaoshi, M. Suzuki, Norio Suzuki, Norio Suzuki, Shingo Suzuki, H. Tachibana, M. Takahashi, S. Takahashi, T. Takahashi, M. Takasaki, H. Takatsu, Hiroshi Takeuchi, A Takeshita, T. Takizuka, Satoshi Tamura, Shigeru Tanaka, Toshiyuki Tanaka, Yuki Tanaka, Tadaaki Tani, Tadaaki Tani, M. Terakado, T. Terakado, K. Tobita, T. Totsuka, N. Toyoshima, T. Tsugita, S. Tsuji, Y. Tsukahara, M. Tsuneoka, K. Uehara, Yuki Uramoto, H Usami, K. Ushigusa, K. Usui, J. Yagyu, K. Yamagishi, M. Yamagiwa, Masahiro Yamamoto, O. Yamashita, T. Yamazaki, K. Yokokura, Keiichi Yokoyama, Hiroshi Yoshida, Zenko Yoshida, R. Yoshino, Y Yoshioka, I. Yonekawa, Kouji Watanabe,

Superconducting Materials and Applications

Recent lower hybrid current drive (LHCD), and heating (LHH) experiments on JT-60 are reported. The current drive product of neRpIRF approximately 12.5*1019 m-2 MA was achieved at the LH power of approximately 4.5 MW, and the CD efficiency, the energy confinement, the global power balance and the heat load on divertor plates were investigated in high power LHCD plasmas. Nearly steady state H-mode discharges were found during LHCD with two different frequency injections. Sawtooth suppression in NB heated plasmas by LHCD have shown an improvement in confinement near the plasma center. Parametric instabilities in LH heating experiments were significantly reduced by increasing the plasma current, and the stored energy increased linearly with heating power of up to approximately 9 MW at ne approximately 7*1019 m-3 and Ip=2.75 MA. Parametric instabilities near the plasma edge in the ion heating regime were also reduced in peaked density plasmas produced by pellet injection and LH waves increased the central plasma pressure at ne(0) > 1.4*1020 m-3.