Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Kunizo, OHKUBO"'
Autor:
Hiroshi Idei, Katsumi Ida, Satoru Sakakibara, Hiroyuki Takahashi, Y. Takita, Satoshi Ito, Ryosuke Ikeda, Takashi Notake, Yasuo Yoshimura, Kazunobu Nagasaki, Yoshinori Mizuno, Shinji Kobayashi, Mikiro Yoshinuma, Hiroe Igami, Y. Nakamura, Takashi Shimozuma, Shin Kubo, Kunizo Ohkubo, Takashi Mutoh
Publikováno v:
Scopus-Elsevier
Trials of steady-state operation (SSO) in the Large Helical Device (LHD) were started when a continuous wave (cw) gyrotron with the output power up to 0.2 MW was introduced to the electron cyclotro...
Autor:
Hiroshi Idei, Kazumichi Narihara, Kenji Tanaka, Ichihiro Yamada, T. Watari, Shin Kubo, Yoshio Nagayama, Osamu Kaneko, Takashi Notake, Tokihiko Tokuzawa, Takashi Mutoh, Masayuki Yokoyama, Yasuo Yoshimura, Kunizo Ohkubo, Tomohiro Morisaki, Yasuhiko Takeiri, Katsuyoshi Tsumori, Takashi Shimozuma, K.Y. Watanabe, Sadayoshi Murakami, K. Nagaoka, S. Morita, A. Wakasa, Naoki Tamura, Masaki Osakabe, Kazuo Toi, Yoshihide Oka, Sadatsugu Muto, Katsumi Ida, Hisamichi Funaba, S. Inagaki, Mikiro Yoshinuma, Motoshi Goto, J. Miyazawa, Nobuyoshi Ohyabu, Katsunori Ikeda
Publikováno v:
FUSION SCIENCE AND TECHNOLOGY. 58(1):38-45
Autor:
A. Kato, H. Funaba, Makoto Ichimura, Motoshi Goto, K. Nagaoka, J. G. Kwak, Mamoru Shoji, N. Ashikawa, Hirotaka Chikaraishi, Katsumi Ida, Y. Takeiri, Mitsuhiro Yokota, K. Saito, J. Miyazawa, Kazuo Kawahata, A. Komori, Kuninori Sato, Yoshihide Oka, Yasuo Yoshimura, Yuki Torii, K. Narihara, Mizuki Sakamoto, Goro Nomura, Nobuyoshi Ohyabu, Shin Kubo, N. Takeuchi, T. Tokuzawa, S. Morita, Tetsuo Seki, Suguru Masuzaki, Osamu Kaneko, Hiroe Igami, N. Noda, Fujio Shimpo, Ryuhei Kumazawa, Katsunori Ikeda, B.J. Peterson, K. Nishimura, S. Sudo, Takashi Shimozuma, Kunizo Ohkubo, Hiroshi Yamada, T. Watari, O. Motojima, Masaki Osakabe, Katsuyoshi Tsumori, Tomo-Hiko Watanabe, Takashi Notake, Takashi Mutoh, C. Takahashi, Hiroyuki Higaki, Tomohiro Morisaki, H. Ogawa, Hiroshi Kasahara, Y. Nagayama, Yuichi Takase, Y. P. Zhao, Y. Nakamura
Publikováno v:
Fusion Science and Technology. 50:186-191
The long-pulse plasma discharge experiment is an important experiment in the Large Helical Device, which has a superconducting coil system and the capability of steady-state operation. The experiment of long-pulse plasma discharge was carried out usi
Autor:
Tetsuo, OZAKI, Pavel, GONCHAROV, Tsuneo, AMANO, Ichihiro, YAMADA, Tomoya, SAIDA, Sadayoshi, MURAKAMI, Shigeru, SUDO, Shigeru, MORITA, Motoshi, GOTO, Kazumichi, NARIHARA, Kenji, TANAKA, Kazuo, KAWAHATA, Yoshio, NAGAYAMA, Katsumi, IDA, Mikiro, YOSHINUMA, Yoshihide, OKA, Masaki, OSAKABE, Yasuhiko, TAKEIRI, Katsuyoshi, TSUMORI, Katsunori, IKEDA, Osamu, KANEKO, Shin, KUBO, Takashi, SHIMOZUMA, Kunizo, OHKUBO, Kuninori, SATO, Naoki, TAMURA, Akihiro, MATSUBARA, Diana, KALININA, Mamoru, SHOJI, Shinji, KATO, Kenji, YAMAUCHI, Hideya, NAKANISHI, Mamoru, KOJIMA, Akio, KOMORI, Osamu, MOTOJIMA, Experimental Group, LHD
Publikováno v:
Journal of Plasma and Fusion Research SERIES = Journal of Plasma and Fusion Research SERIES. 7:22
In Large Helical Device (LHD), the discharges of high Z are often used in order to obtain high ion temperature. The ion density is relatively smaller than the electron density in high Z plasma. Therefore the high ion temperature can be obtained since
Autor:
H. Nozato, Hideya Nakanishi, T. Saida, Suguru Masuzaki, H. Funaba, P. R. Goncharov, A. Nishizawa, J. Miyazawa, Nobuyoshi Ohyabu, Hiroe Igami, O. Motojima, Tsuyoshi Akiyama, Shin Kubo, Y. Nagayama, Shigeru Inagaki, N. Noda, T. Uda, K. Nishimura, Satoshi Ohdachi, Kimitaka Itoh, M. Emoto, Naoki Tamura, Yasuo Yoshimura, T. Tokuzawa, Takaaki Fujita, K. Saito, N. Ashikawa, Osamu Kaneko, Satoshi Yamamoto, A. Wakasa, Kazuo Kawahata, T. Minami, Yoshihide Oka, Masaki Osakabe, T. Ido, Masayuki Yokoyama, Masahide Sato, Takashi Mutoh, Shigeki Okajima, Motoshi Goto, Tomohiro Morisaki, Sadatsugu Muto, Ryuichi Sakamoto, K. Narihara, K.Y. Watanabe, Tetsuo Seki, Sadayoshi Murakami, Y. Nakamura, K. Matsuoka, Mikiro Yoshinuma, Y. Narushima, Mitsutaka Isobe, Hiroshi Yamada, Ichihiro Yamada, Masaki Nishiura, Yoshiteru Sakamoto, Mizuki Sakamoto, T. Watari, B.J. Peterson, Kenji Tanaka, H. Kawazome, Mamoru Shoji, Katsumi Ida, Takashi Notake, T. Fukuda, K. Yamazaki, S. Morita, Hidenobu Takenaga, Akihiko Isayama, Takashi Shimozuma, N. Takeuchi, K. Toi, T. Kobuchi, Yuki Torii, Ryuhei Kumazawa, S. Sudo, Katsunori Ikeda, Y. Takeiri, Akio Sagara, Kunizo Ohkubo, A. Komori, Katsuyoshi Tsumori, Satoru Sakakibara, T. Ozaki, C. D. Beidler, Kuninori Sato, Mamiko Sasao, K. Ishii
Publikováno v:
Nuclear Fusion. 45:S255-S265
The Large Helical Device is a heliotron device with L = 2 and M = 10 continuous helical coils with a major radius of 3.5–4.1 m, a minor radius of 0.6 m and a toroidal field of 0.5–3 T, which is a candidate among toroidal magnetic confinement syst
Autor:
Masaki Nishiura, Takeshi Ido, Hiroshi Idei, A. Komori, S. Murakami, Kunizo Ohkubo, Ryuhei Kumazawa, Hiroshi Yamada, Hideya Nakanishi, Katsunori Ikeda, Shigeru Inagaki, Osamu Kaneko, Naoko Ashikawa, Katsuyoshi Tsumori, Kazuo Toi, N. Noda, Mamoru Shoji, J. Miyazawa, Osamu Motojima, T. Kobuchi, T. Ozaki, Katsumi Ida, Kenji Tanaka, Nobuyoshi Ohyabu, K. Yamazaki, Hisamichi Funaba, K.Y. Watanabe, Takashi Minami, Y. Nakamura, M. Emoto, Kazuo Kawahata, Mikiro Yoshinuma, Yasuo Yoshimura, Tomohiro Morisaki, K. Saito, K. Nagaoka, Kazumichi Narihara, Yasuji Hamada, Tokihiko Tokuzawa, Takashi Mutoh, Yoshihide Oka, Yasuhiko Takeiri, Satoru Sakakibara, Satoshi Ohdachi, Kimitaka Itoh, Suguru Masuzaki, K. V. Khlopenkov, Yoshiro Narushima, Tomo-Hiko Watanabe, Masayuki Yokoyama, Shin Kubo, Motoshi Goto, Akio Sagara, Sadatsugu Muto, Shigeru Sudo, Takashi Shimozuma, Mitsutaka Isobe, Ryuichi Sakamoto, Naoki Tamura, Masaki Osakabe, N. Takeuchi, S. Morita, K. Nishimura, Yoshio Nagayama, Tetsuo Seki, Ichihiro Yamada, T. Watari, Byron J. Peterson, Takashi Notake
Publikováno v:
Plasma Physics and Controlled Fusion. 47:A81-A90
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state. Among the various plasma parameter regimes, the stu
Autor:
Hiroshi Idei, Richard J. Temkin, Takashi Notake, Masayasu Sato, Satoru Kobayashi, T. Watari, Yoshinori Mizuno, Kunizo Ohkubo, Y. Takita, Satoshi Ito, Shin Kubo, Michael A. Shapiro, Yasuo Yoshimura, Takashi Shimozuma, Ryuhei Kumazawa
Publikováno v:
Fusion Engineering and Design. 73:9-18
A low-power test system using a vector network analyzer is constructed to evaluate the performance of phase correcting mirrors in a matching optics unit (MOU). The MOU is used in order to facilitate the good coupling of a millimeter wave beam from a
Autor:
Michael A. Shapiro, Shin Kubo, Satoshi Ito, Kunizo Ohkubo, Takashi Shimozuma, Hiroshi Idei, Richard J. Temkin, Takashi Notake
Publikováno v:
Journal of Plasma and Fusion Research. 81:186-190
Alignments of the beam size and position, and the tilt of the propagation axis, have been pointed out to be important in transmission lines for Electron Cyclotron Heating in order to achieve high transmission efficiency. Beam size evolution along the
Autor:
Hiroshi Yamada, T. Saida, Kenji Saito, H. Murakami, T. Watari, K. Tumori, H. Maassberg, P. R. Goncharov, T. Ozaki, Kimitaka Itoh, Tetsuo Seki, O. Motojima, Y. Takeiri, Mitsutaka Isobe, Katsunori Ikeda, J. F. Lyon, Yoshihide Oka, A. Komori, H. Funaba, Yuki Torii, K. Y. Watanabe, Atsushi Fukuyama, C. D. Beidler, Takashi Mutoh, Kunizo Ohkubo, M. Yokoyama, A. Wasaksa, Mamiko Sasao, Osamu Kaneko
Publikováno v:
Fusion Science and Technology. 46:241-247
Confinement of energetic ions from neutral beam injection heating is investigated by changing the magnetic field configuration of the Large Helical Device from a classical heliotron configuration t...
Autor:
Nobuyoshi Ohyabu, A. Komori, Takashi Shimozuma, K. Nagaoka, H. Funaba, Yasuo Yoshimura, K. A. Tanaka, Kunizo Ohkubo, Masaki Osakabe, Katsumi Ida, Katsuyoshi Tsumori, Masayuki Yokoyama, Sadayoshi Murakami, B.J. Peterson, Yoshihide Oka, Osamu Kaneko, Y. Takeiri, Shin Kubo, Ichihiro Yamada, Katsunori Ikeda
Publikováno v:
Fusion Science and Technology. 46:106-114
The electron internal transport barrier (ITB) is formed with centrally focused electron cyclotron resonance heating superposed on plasmas heated by neutral beam injection in the Large Helical Devic...