Zobrazeno 1 - 10
of 130
pro vyhledávání: '"Akio, KOMORI"'
Autor:
Lhd experimental groups, Masahiro Kobayashi, Mamoru Shoji, Akio Komori, Hiroshi Yamada, Suguru Masuzaki, Akio Sagara
Publikováno v:
To cite this article: Mamoru Shoji, Masahiro Kobayashi, Suguru Masuzaki, Akio Sagara, Hiroshi Yamada, Akio Komori & LHD Experimental Groups (2009) Design of a Closed Helical Divertor in LHD and the Prospect for Helical Fusion Reactors, Fusion Science and Technology, 56:2, 1001-1008, DOI: 10.13182/FST09-A9041
A new closed helical divertor configuration for efficient particle control and reduction of the heat load on the divertor plates is proposed. The closed divertor configuration practically utilizes an ergodic layer and magnetic field line configuratio
Autor:
Masayuki Tokitani, Hiroshi Yamada, N. Noda, N. Yoshida, Naoko Ashikawa, Y. Ohtawa, Suguru Masuzaki, Mitsutaka Miyamoto, Mamoru Shoji, Makoto I. Kobayashi, Akio Komori, Akio Sagara, Kazutoshi Tokunaga, T. Fujiwara, Bun Tsuchiya, Shinji Nagata
Publikováno v:
Journal of Nuclear Materials. :173-176
In order to clarify the radiation damages caused by charge-exchanged helium particles, metal specimens were inserted into the first wall position by using material probe system in LHD, and then, exposed to the neutral beam heated helium plasmas (87 s
Autor:
Suguru Masuzaki, Mamoru Shoji, Masayuki Tokitani, Bun Tsuchiya, Shinji Nagata, Naoaki Yoshida, Tomohiro Morisaki, Akio Komori, Kazutoshi Tokunaga, Mitsutaka Miyamoto, Naoko Ashikawa, T. Fujiwara
Publikováno v:
Journal of Nuclear Materials. :443-447
To study retention properties of plasma particles in tungsten exposed to divertor plasmas, material probe experiments were carried out by exposing tungsten specimens to long pulse helium or hydrogen divertor plasma in LHD. After the exposure, the qua
Autor:
Hideki Matsui, Satoru Tanaka, Masato Akiba, Satoshi Konishi, Kunioki Mima, Akio Komori, Mitsuru Kikuchi, Shinzaburo Matsuda
Publikováno v:
Journal of the Atomic Energy Society of Japan. 49:259-282
Autor:
Hirotaka Chikaraishi, Shuichi Yamada, K. Seo, Shinsaku Imagawa, Shigeru Sudo, Ryuichi Sakamoto, N. Noda, Takeo Muroga, Toshiyuki Mito, T. Dolan, Satoshi Fukada, J. Miyazawa, Osamu Motojima, Osamu Kaneko, Akio Komori, Nobuyoshi Ohyabu, Takashi Mutoh, Akio Sagara, Tomohiro Morisaki, Kazuya Takahata, Osamu Mitarai, Kozo Yamazaki, Suguru Masuzaki, Hidetoshi Hashizume, Teruya Tanaka, Naoki Mizuguchi, Hiroshi Yamada
Publikováno v:
Fusion Engineering and Design. 81:2703-2712
An overview of conceptual design activities on the LHD-type helical reactor FFHR is presented, mainly focusing on optimization studies on the reactor size and the proposal of a long-life blanket. A major radius of around 15 m is the present candidate
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:
Akio Komori, Naoaki Yoshida, Kazutoshi Tokunaga, T. Fujiwara, Suguru Masuzaki, Masayuki Tokitani, Mitsutaka Miyamoto
Publikováno v:
Journal of Nuclear Materials. :742-746
Helium glow discharge cleaning (He-GDC) is frequently applied to reduce impurities like oxygen on the plasma facing materials in many plasma confinement devices, including large helical device (LHD). However, there are few reports which evaluated the
Autor:
Kazuo Kawahata, Byron J. Peterson, Takashi Notake, Yasuhiko Takeiri, Shigeru Sudo, Katsunori Ikeda, Yuichi Takase, Kunizo Ohkubo, Yoshiro Narushima, Mitsutaka Isobe, Hisamichi Funaba, Satoshi Ohdachi, Sadayoshi Murakami, Y. Nakamura, Atsushi Fukuyama, Masayuki Yokoyama, Yuki Torii, Tomohiro Morisaki, Tetsuo Seki, Katsuyoshi Tsumori, Mitsuhiro Yokota, Goro Nomura, Y. Hamada, Kuninori Sato, Tsuguhiro Watanabe, Yoshio Nagayama, Toshiyuki Mito, T. Saida, Ryuhei Kumazawa, Naoki Tamura, Akio Sagara, Satoru Sakakibara, Tokihiko Tokuzawa, Hiroshi Yamada, Takashi Mutoh, Suguru Masuzaki, Kiyomasa Watanabe, Naoko Ashikawa, Hiroyuki Okada, Kenji Saito, Shigeru Morita, Kazuo Toi, Ichihiro Yamada, Mamoru Shoji, Osamu Kaneko, Katsumi Ida, Masaki Osakabe, T. Watari, Shin Kubo, Kazumichi Narihara, Hiroshi Idei, Kenji Tanaka, T. Kobuchi, Motoshi Goto, Fujio Shimpo, Takashi Minami, Shigeru Inagaki, N. Takeuchi, Hideya Nakanishi, Akio Komori, Mikiro Yoshinuma, M. Sato, Yoshihide Oka, P. Goncharov, Shinsaku Imagawa, Kiyohiko Nishimura, Masahiko Emoto, Tetsuo Ozaki, J. Miyazawa, Osamu Motojima, Takashi Shimozuma, Sadatsugu Muto, Nobuyoshi Ohyabu, Yasuo Yoshimura, Keisuke Matsuoka, Kozo Yamazaki, Hajime Suzuki, Mamiko Sasao, Ryuichi Sakamoto, Nobuaki Noda
Publikováno v:
Fusion Science and Technology. 46:175-183
Long-pulse operation and high-energy particle confinement properties were studied using ion cyclotron range of frequency (ICRF) heating for the Large Helical Device. For the minority-ion mode, ions with energies up to 500 keV were observed by concent
Autor:
Hiroshi Yamada, Shigeru Morita, Kazumichi Narihara, Satoru Sakakibara, Mamoru Shoji, Akio Komori, Kazuo Kawahata, Byron J. Peterson, Tomohiro Morisaki, Kenji Tanaka, Osamu Motojima, Nobuyoshi Ohyabu, Suguru Masuzaki, Ryuichi Sakamoto, Hajime Suzuki
Publikováno v:
ResearcherID
A local island divertor (LID) experiment has begun in the Large Helical Device (LHD) to demonstrate improved plasma confinement, and fundamental LID functions were demonstrated in the sixth experimental campaign in 2002-2003. It was clearly shown tha
Autor:
Hisamichi Funaba, N. Noda, Shigeru Sudo, Mitsutaka Isobe, S. Morita, Byron J. Peterson, Kuninori Sato, Takashi Notake, K.Y. Watanabe, Ryuhei Kumazawa, Kazumichi Narihara, Kunizo Ohkubo, K. Yamazaki, Katsunori Ikeda, Kenji Saito, Katsuyoshi Tsumori, Sadatsugu Muto, Kazuo Kawahata, Akio Komori, Mikiro Yoshinuma, M. Sato, Tsuyoshi Akiyama, Hiroshi Yamada, Mamoru Shoji, Katsumi Ida, Satoshi Ohdachi, Kimitaka Itoh, Naoko Ashikawa, T. Saida, Kenji Tanaka, H. Kawazome, Osamu Kaneko, Yasuhiko Takeiri, Kazuo Toi, Masayuki Yokoyama, Yasuo Yoshimura, Yoshiro Narushima, Hiroshi Idei, Y. Sakamoto, T. Ozaki, N. Takeuchi, Akihiko Isayama, Takashi Minami, P. R. Goncharov, Shin Kubo, T. Kobuchi, Tetsuo Seki, Yunfeng Liang, Shigeru Inagaki, A. Wakasa, H. Suzuki, Satoru Sakakibara, Yuki Torii, Mamiko Sasao, Motoshi Goto, Tokihiko Tokuzawa, Takashi Mutoh, T. Fukuda, Hideya Nakanishi, Masahiko Emoto, Akio Sagara, T. Fujita, Sadayoshi Murakami, Y. Nakamura, Ichihiro Yamada, T. Watari, Yoshihide Oka, Takashi Shimozuma, J. Miyazawa, K. Nishimura, Yoshio Nagayama, Osamu Motojima, H. Nozato, Nobuyoshi Ohyabu, Suguru Masuzaki, Naoki Tamura, Masaki Osakabe, T. Yamamoto, Shigeki Okajima, Keisuke Matsuoka, Ryuichi Sakamoto, S. Yamamoto, T. Uda, Tomohiro Morisaki
Publikováno v:
Physics of Plasmas. 11:2551-2557
Characteristics of transport in electron internal transport barriers (ITB) and in the vicinity of a rational surface with a magnetic island are studied with transient transport analysis as well as with steady state transport analysis. Associated with