Zobrazeno 1 - 10
of 178
pro vyhledávání: '"Kiyoshi Yatsu"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 513:99-102
The first experimental demonstration of simultaneous measurements of temporally and spatially resolved ion-confining potentials φc and end-loss-ion fluxes IELA has been carried out during a single plasma discharge alone by the use of newly designed
Autor:
Jun-ichi Hori, H. Maezawa, M. Yoshida, T. Cho, T. Numakura, Syoichi Miyoshi, Hirofumi Watanabe, Kiyoshi Yatsu, Keiichi Hirano, H. Ito, Mafumi Hirata, Takeo Nishitani, Takashi Kondoh, R. Minami, J. Kohagura, N. Yokoyama
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 513:300-303
Effects of neutron irradiation on X-ray energy responses of silicon semiconductor detectors have been investigated. Neutron irradiation experiments were carried out for n-type photodiode arrays utilized in the Joint European Torus (JET) using deuteri
Publikováno v:
Nuclear Fusion. 43:914-921
A collaboration with a Japanese institute in the field of plasma?wall interaction and dusty plasma has been formed in order to understand the physical properties of edge plasma. Results of the theoretical study on dusty plasma and the experimental st
Autor:
Eisuke Tsuda, Hiroyuki Higaki, Yoshinori Tatematsu, Teruo Saito, Makoto Ichimura, Kiyoshi Yatsu, Eiji Yokoyama, Teruaki Yasuoka
Publikováno v:
Journal of the Physical Society of Japan. 72:1977-1982
An Alfven ion cyclotron (AIC) wave spontaneously excited in the central cell of the GAMMA 10 tandem mirror has strong effects on electrons. The end loss electron flux, the electron temperature and the field aligned loss power carried by these electro
Autor:
Y. M. Miura, K. Abe, Kiyoshi Yoshikawa, Makoto Matsukawa, Kunihiko Okano, Yoshihiko Uesugi, M Shimizu, Takaaki Fujita, M. Kuriyama, N. Hosogane, M. Shimada, S. Ishida, Hirotaka Kubo, T. Mizuuchi, S. Takeji, K. Yamaguchi, Yasuyuki Yagi, Ryuichi Shimada, S.-I. Itoh, Tomoaki Hino, Mikio Saigusa, Toshiyuki Takagi, H. Ninomiya, Kiyoshi Yatsu, M. Kikuchi, Akira Kohyama, Mizuki Sakamoto, Masahiro Wakatani, N. Miya, Seiichi Goto, Yoshio Ueda, Shunji Tsuji-Iio, Teruji Cho, Yuichi Ogawa, Kenkichi Ushigusa, Yuichi Takase, T. Yamamoto, Kazuo Toi, A. Kitsunezaki, T. Fujii, T. Ozeki, Makoto Ichimura, Akiyoshi Hatayama, Y. Murakami, Kazunobu Nagasaki, Makoto Katsurai, M. Satoh, Akira Ando, Yutaka Kamada, Tetsuo Tanabe, Hiroshi Horiike, M. Matsuoka, Akira Sakasai, Y. Miura, Kazuaki Hanada, Nobuhiro Nishino
Publikováno v:
Nuclear Fusion. 43:606-613
A fully superconducting tokamak named JT-60SC is designed for the modification programme of JT-60 to enhance economical and environmental attractiveness in tokamak fusion reactors. JT-60SC aims at realizing high-β steady-state operation in the use o
Publikováno v:
Fusion Engineering and Design. 65:429-432
The pumping characteristic of carbon sheet pump (CSP) under the condition of high heat and particle load (several MW/m2 and 2.5×1021 H/m2 at the beam center, respectively) is described. Heat transfer calculation is performed for the sake of estimati
Autor:
Teruji Cho, Shinji Kobayashi, Makoto Ichimura, Yousuke Nakashima, T. Fukasawa, Isao Katanuma, K. Watanabe, T. Natori, T. Kato, Yuusuke Kubota, K. Orito, M. Yoshikawa, Y. Ishimoto, Kiyoshi Yatsu, Mamoru Shoji, Eiichirou Kawamori
Publikováno v:
Journal of Nuclear Materials. :553-558
Recent results of fueling experiments in the GAMMA 10 tandem mirror using neutral beam injection are described. Neutral beam injectors (NBI) have been installed at the anchor-cells and central-cell for this purpose. Both anchor and central NBs are in
Publikováno v:
Review of Scientific Instruments. 74:1909-1912
Temporal evolution of radial profiles of end-loss-ion currents, ion temperatures, and ion-confining potentials φc is investigated in the GAMMA 10 tandem mirror by the use of our newly designed electrostatic ion-energy-spectrometer arrays. In tandem-
Publikováno v:
Physics of Plasmas. 10(3):677-682
application/pdf
The Coulomb collision effects on a saturated electrostatic potential (plug potential) formation in the end-mirror cell of a tandem mirror were investigated by a Monte Carlo simulation of ion orbits. A non-Maxwellian electron dist
The Coulomb collision effects on a saturated electrostatic potential (plug potential) formation in the end-mirror cell of a tandem mirror were investigated by a Monte Carlo simulation of ion orbits. A non-Maxwellian electron dist
Autor:
Akio Sagara, Junji Yuhara, Y. Ishimoto, Shinji Kobayashi, Kenji Morita, Masayuki Yoshikawa, Yousuke Nakashima, Kiyoshi Yatsu
Publikováno v:
Journal of Nuclear Materials. :194-198
Samples of carbon sheet pump (CSP) exposed to fast neutrals have been analyzed by using microscopic techniques in order to improve the performance of CSP and to examine the applicability of CSP to actual devices. It has been confirmed from the micros