Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Sakae Besshou"'
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
Autor:
Y. Ijiri, Y. Nishioka, Yuji Nakamura, Hiroyasu Kubo, S. Kaneko, Y. Morita, Masahiro Wakatani, H. Kawazome, S. Tsuboi, K. Sakamoto, M. Iriguchi, Hiroyuki Okada, K. Takahashi, T. Takamiya, Kiyoshi Hanatani, H. Tsuru, Y. Ohno, Sakae Besshou, K. Yaguchi, Tokuhiro Obiki, K. Tomiyama, W.L. Ang, Hidetoshi Yukimoto, M. Takeda, S. Nishio, Nobuhiro Nishino, Francisco L. Tabarés, Kazunobu Nagasaki, S. Maeno, M. Shibano, T. Mizuuchi, Y. Fukagawa, Masaki Yamada, Shinji Kobayashi, Masahiko Nakasuga, K. Tohshi, Katsumi Kondo, H. Shidara, S. Nakazawa, T. Senju, Y. Manabe, Fumimichi Sano, Victor Tribaldos
Publikováno v:
Nuclear Fusion. 44:47-55
Studies of global energy confinement and toroidal plasma current behaviour for the second harmonic 70 GHz ECH at B = 1–1.5 T are described with emphasis on the magnetic configuration effects in the helical-axis heliotron 'Heliotron J'. At low densi
Autor:
V.V. Chechkin, Sakae Besshou, Suguru Masuzaki, T. Mizuuchi, Hiroyuki Okada, Kazunobu Nagasaki, V. S. Voitsenya, Fumimichi Sano, Tokuhiro Obiki, L. E. Sorokovoj, O. Motojima, Masahiko Nakasuga, Katsumi Kondo
Publikováno v:
Journal of Nuclear Materials. :1234-1238
The big asymmetry of divertor flows to symmetrically located collectors was observed when divertor plasma flow distributions (DPFD) were measured in Heliotron-E device. Several possible reasons of DPF asymmetry were discussed in previous publications
Autor:
Fumimichi Sano, Shoichi Okamura, Masami Fujiwara, Hiroyuki Okada, Keisuke Matsuoka, Yuji Nakamura, Sakae Besshou, Osamu Motojima, Tohru Mizuuchi, Nobuyoshi Ohyabu, Masahiko Nakasuga, Kazunobu Nagasaki, Kiyoshi Hanatani, Masahiro Wakatani, Tokuhiro Obiki, Katsumi Kondo
Publikováno v:
Scopus-Elsevier
Experimental results are summarized for major helical devices in Japan: Large Helical Device (LHD), Compact Helical System (CHS), and Heliotron J. The LHD and CHS have planar magnetic axes, while Heliotron J has a nonplanar magnetic axis.The LHD, the
Autor:
Masahiko Nakasuga, K. Kondo, F. Sano, Kazunobu Nagasaki, Hiroyuki Okada, O. Motojima, V.V. Chechkin, Sakae Besshou, Suguru Masuzaki, L. E. Sorokovoj, V. S. Voitsenya, Tokuhiro Obiki, T. Mizuuchi
Publikováno v:
Plasma Devices and Operations. 10:227-249
A comprehensive study of the divertor plasma flow (DPF) distribution in the Heliotron-E helical device has been carried out by means of collector arrays under various experimental conditions. A strong inhomogeneity of DPF distribution is observed in
Autor:
Hiroyuki Okada, T. Mizuuchi, Kazunobu Nagasaki, K. Kondo, Fumimichi Sano, K. Tomiyama, Sakae Besshou, K. Aizawa, Tokuhiro Obiki
Publikováno v:
Review of Scientific Instruments. 72:3859-3863
In this article we describe a diamagnetic double-loop method for measurement of the energy stored in a magnetized plasma. Two concentric diamagnetic loops enclose a plasma column. The advantage of this method is the capability to eliminate to a high
Autor:
Y. Ikeda, K. Toshi, T. Kobayashi, Y. Ijiri, Sakae Besshou, M. Takeda, Y. Liu, Hiroyuki Okada, W.L. Ang, Kiyoshi Hanatani, Yuji Nakamura, K. Yaguchi, K. Tomiyama, Osamu Yamagishi, K. Sakamoto, K. Kondo, T. Mizuuchi, M. Shibano, Masahiko Nakasuga, T. Takamiya, T. Senju, Y. Kawazome, Tokuhiro Obiki, Masahiro Wakatani, Kazunobu Nagasaki, T. Hamada, Fumimichi Sano, H. Shidara, Y. Manabe, K. Aizawa, S. Maeno
Publikováno v:
Nuclear Fusion. 41:833-844
Results obtained in the initial experimental phase of Heliotron J are reported. Electron beam mapping of the magnetic surfaces at a reduced DC magnetic field has revealed that the observed surfaces are in basic agreement with the ones calculated on t
Autor:
Hiroyuki Okada, Kimitaka Itoh, Sakae Besshou, Masayuki Yokoyama, Kazunobu Nagasaki, Masahiro Wakatani
Publikováno v:
Nuclear Fusion. 40:1909-1916
Equilibrium current (EC) suppression or even reversal was experimentally demonstrated in Heliotron E (HE) [Besshou, S., et al., Nucl. Fusion 35 (1995) 173] when the initial magnetic configuration is shifted inwards by vertical field control. The EC p
Autor:
Masahiko Nakasuga, Hiroyuki Okada, Tokuhiro Obiki, Masayuki Yokoyama, Katsumi Kondo, Kazunobu Nagasaki, Masahiro Wakatani, Kiyoshi Hanatani, Sakae Besshou, T. Mizuuchi, Fumimichi Sano, Yuji Nakamura
Publikováno v:
Plasma Physics and Controlled Fusion. 42:1151-1164
A new helical-axis heliotron device, Heliotron J, is now being constructed at the Institute of Advanced Energy of Kyoto University with the goal of demonstrating its improved helical confinement property in the helical-axis heliotron line. The design
Autor:
T. Mizuuchi, Tokuhiro Obiki, F. Sano, Hideki Zushi, Hiroyuki Okada, Akira Ejiri, Kazunobu Nagasaki, Sakae Besshou, Katsumi Kondo
Publikováno v:
Scopus-Elsevier
Effects of magnetic shear on electron cyclotron resonance heating (ECRH) are studied in heliotron/torsatron configurations. In such configurations, the poloidal magnetic field is comparable to the toroidal magnetic field, and varies spatially along t