Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Kinzo Sakamoto"'
Autor:
Tohru Mizuuchi, Fumimichi Sano, Kinzo Sakamoto, Tokuhiro Obiki, Masahiko Nakasuga, Kazunobu Nagasaki, Shinji Kobayashi, Victor Tribaldos, H. Shidara, Yuji Nakamura, Hiroyuki Okada, Katsumi Kondo
Publikováno v:
Journal of Plasma and Fusion Research. 81:48-56
Power absorption profiles of electron cyclotron resonance heating (ECRH) are calculated for a helical-axis heliotron device, Heliotron J, by a ray tracing code, TRECE. The three-dimensional structure of flux surfaces and magnetic field is considered
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78354a89ffc7b1d3213564c5d4da4e59
https://doi.org/10.1585/jspf.81.48
https://doi.org/10.1585/jspf.81.48
Autor:
Hidenori Nakamura, Yuki Torii, Hisamichi Yamazaki, K. Toshi, Takahisa Azuma, Katsumi Kondo, S. Yamamoto, Kazunobu Nagasaki, Nobuhide Shimazaki, Yuji Nakamura, K. Yaguchi, Jun Arakawa, M. Kaneko, Yasuhiro Suzuki, Y. Ijiri, Fumimichi Sano, T. Tsuji, Tohru Mizuuchi, Masaaki Kikutake, Keisuke Ohashi, Shinya Watanabe, Hiroyuki Okada, T. Senju, Masaki Yamada, Gen Motojima, Hajime Arimoto, Shinji Kobayashi, M. Shibano, Kinzo Sakamoto, Takashi Hamagami, H. Kitagawa, Kiyoshi Hanatani
Publikováno v:
Journal of Plasma and Fusion Research. 81:949-959
ECH/NBI experiments in Heliotron J have revealed the existence of a spontaneous transition to improved confinement modes. Based on the experimental database obtained up to now, the characteristics of the transition and the density and power threshold
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf86273360705ebc65e3b6e6528346c3
https://doi.org/10.1585/jspf.81.949
https://doi.org/10.1585/jspf.81.949
Autor:
Victor Tribaldos, Y. Ijiri, Masahiro Wakatani, S. Nishio, M. Shibano, S. Tsuboi, Yasuhiro Suzuki, T. Senju, Y. Fukagawa, K. Yaguchi, Kiyoshi Hanatani, M. Kaneko, H. Shidara, Hidetoshi Yukimoto, S. Nakazawa, Kazunobu Nagasaki, Kinzo Sakamoto, Y. Ohno, Shinji Kobayashi, Yuji Nakamura, Tohru Mizuuchi, Masahiko Nakasuga, Tokuhiro Obiki, Masaki Yamada, Sakae Besshou, K. Takahashi, Hayato Kawazome, T. Takamiya, Y. Nishioka, Keisuke Ohashi, K. Toshi, Katsumi Kondo, Hiroyuki Okada, Y. Manabe, Fumimichi Sano, Shigeru Konoshima
Publikováno v:
Journal of Plasma and Fusion Research. 80:883-888
The plasma confinement properties of Heliotron J plasmas and the toroidal current are investigated. A plasma energy of 2.5 kJ has been achieved by 70 GHz‐0.35 MW electron cyclotron heating (ECH). The energy confinement time is within the expected v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a136555dc1d205c5559020993b66cf5
https://doi.org/10.1585/jspf.80.883
https://doi.org/10.1585/jspf.80.883
Autor:
Vadim I. Kurbatov, Minoru Kawaguchi, Sakuji Kobayashi, Kunizo Ohkubo, Hideki Zushi, Kinzo Sakamoto, A. L. Goldenberg, Viktor B. Orlov, Kazunobu Nagasaki, Tokuhiro Obiki, D. V. Vinogradov, Gregory G. Denisov
Publikováno v:
Scopus-Elsevier
A 106-GHz electron cyclotron heating system is installed and operated for plasma production and heating of the Heliotron-E helical device. The Gaussian beam radiated from the gyrotron is coupled to the HE 11 waveguide mode by the matching optics unit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f383b3b486e5f5a984ece4ab599c6dcb
https://doi.org/10.13182/fst97-a19898
https://doi.org/10.13182/fst97-a19898
Autor:
Francesco Volpe, Nikolai B. Marushchenko, Yoshiaki Otani, Naoki Kenmochi, Sohei Kamioka, Torsten Stange, Hiroyuki Okada, Shigeru Konoshima, Shinsuke Ohshima, Yuji Nakamura, Shinji Kobayashi, Kinzo Sakamoto, Takashi Minami, Tohru Mizuuchi, Hiroe Igami, Shinichiro Kado, Satoshi Yamamoto, Kazunobu Nagasaki, Gavin Weir, Yasuo Yoshimura
Publikováno v:
Plasma and Fusion Research
Electron Bernstein Emission (EBE) diagnostic system using Ordinary (O) - eXtraordinary (X) - Bernstein (B) mode conversion process has been developed for determining electron temperature profiles at overdense plasmas in a helical-axis heliotron devic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f03030db07efa6acd6a54d26931f36ae
https://doi.org/10.1585/pfr.11.2402095
https://doi.org/10.1585/pfr.11.2402095
Publikováno v:
Scopus-Elsevier
A new high-power electron cyclotron heating system has been installed for the Heliotron-E helical device. This system is designed to operate at 106-GHz frequency with a half-megawatt output power. The system consists of a pulse gyrotron with TE[sub 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f22ddb26208421ee7be68cb1f900b86
https://doi.org/10.13182/fst94-a30248
https://doi.org/10.13182/fst94-a30248
Autor:
H. W. Kugel, Yoshi Hirooka, J. R. Timberlake, Ronald E. Bell, A. C. England, R. C. Isler, Stephen E. Jones, R. Kaita, S. Kaye, M. Khandagle, M. Okabayashi, S. Paul, Hironori Takahashi, William Tighe, S. von Goeler, A. P. Post-Zwicker, Şahin Sümer, Ralph W. Moir, Joseph D. Lee, Sabahattin Ünalan, Nancy Ma, John Walker, Tess Moon, Thanh Hua, Basil Picologlou, Ronald D. Boyd, Kazunobu Nagasaki, Motoyasu Sato, Masashi Iima, Sakuji Kobayashi, Kinzo Sakamoto, Hideki Zushi, William W. Weaver, G. Vassallo, R. van den Bergh, K. S. Forcey, A. Perujo, Claude Petitjean, Francis Atchison, Gerd Heidenreich, Hans Kristian Walter, Franco Amelotti, Roberto Andreani, Francesco De Marco, Stefano Monti, Mario Pillon, Marceio Vecchi, Valery E. Markushin, Leonid I. Ponomarev, Carsten Niebuhr, Takurou Honda, Tatsuhiko Uda, Koichi Maki, Takashi Okazaki, Yasushi Seki, Isao Aoki, V. A. Chechin, V. A. Tsarev, Yeong E. Kim, Alexander L. Zubarev, Melvin H. Miles, Benjamin F. Bush, Joseph J. Lagowski, Turgut M. Gür, Martha Schreiber, George Lucier, Joseph A. Ferrante, Jason Chao, Robert A. Huggins
Publikováno v:
Fusion Technology. 25:369-375
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3317a70f4f2d24e226731e47e4741a40
https://doi.org/10.13182/fst94-a30243
https://doi.org/10.13182/fst94-a30243
Autor:
Masahiko Nakasuga, Victor Tribaldos, Yuji Nakamura, Kinzo Sakamoto, Hidetoshi Yukimoto, Kazunobu Nagasaki, Tokuhiro Obiki, H. Shidara, Fumimichi Sano
Publikováno v:
Journal of Plasma and Fusion Research. 78:996-997
A ray tracing code, TRECE, of electron cyclotron resonance heating (ECRH) has been developed for the helical-axis heliotron, Heliotron J. The accurate power absorption profile can be obtained for the three dimensional structure of flux surfaces and m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5996cd647f71cd695657182ef917212
https://doi.org/10.1585/jspf.78.996
https://doi.org/10.1585/jspf.78.996
Measurement of Single Pass Electron Cyclotron (EC) Absorption Using Transmitted Waves in Heliotron J
Autor:
Fumimichi Sano, Nobuhide Shimazaki, Shinji Kobayashi, A. Cappa, Hiroyuki Okada, Katsumi Kondo, M. Nosaku, T. Tsuji, Gen Motojima, M. Kaneko, Zhen Feng, Kinzo Sakamoto, Shinya Watanabe, Kazunobu Nagasaki, Tohru Mizuuchi
Publikováno v:
Plasma and Fusion Research. 2:039-039
Single pass absorption of second-harmonic EC waves propagating obliquely to the magnetic field has been studied in Heliotron J. Two orthogonal signals of transmitted high power EC waves are measured to estimate the single pass absorption rate. The ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::012e11c12c23eb664a09c23c3f08432a
https://doi.org/10.1585/pfr.2.039
https://doi.org/10.1585/pfr.2.039
Autor:
Victor Tribaldos, M. Kaneko, S. Nishio, Hiroyasu Kubo, Hidetoshi Yukimoto, S. Nakazawa, Sakae Besshou, Hayato Kawazome, Masahiko Nakasuga, H. Shidara, T. Takamiya, Masao Iriguchi, Victor Orlov, Katsumi Kondo, S. Tsuboi, Y. Fukagawa, Alexander Pavelyev, Fumimichi Sano, Hiroyuki Okada, A. Tolkachev, Kazunobu Nagasaki, Y. Ohno, Shinji Kobayashi, Y. Manabe, Kinzo Sakamoto, K. Takahashi, Tokuhiro Obiki, Yuya Morita, Tohru Mizuuchi, Y. Nishioka, Masaki Yamada
Publikováno v:
Scopus-Elsevier
ResearcherID
ResearcherID
A 70-GHz electron cyclotron resonance heating (ECRH) system has been constructed in a helical-axis heliotron device, Heliotron J, in order to realize localized heating and current drive experiments. Since the Heliotron J plasma has a three-dimensiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2757c195128ac078525e5ee878507e61
http://www.scopus.com/inward/record.url?eid=2-s2.0-0842300468&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-0842300468&partnerID=MN8TOARS
