Zobrazeno 1 - 10
of 52
pro vyhledávání: '"G Cattanei"'
Autor:
G. Cattanei, the W7-AS Team
Publikováno v:
Nuclear Fusion. 42:541-546
ICRH has proved to be an efficient method of heating the plasma in toroidal devices. The high voltages needed at the coupling structure are, however, a severe handicap of this method. The possibility is investigated of having the highest voltages bet
Autor:
T. Ido, T. Watari, G. Nomura, Tetsuo Seki, F. Paoletti, Yuanzhe Zhao, Ryuhei Kumazawa, G. Cattanei, Takashi Mutoh, Kenji Saito, Fujio Shimpo, S. Bernabei
Publikováno v:
Review of Scientific Instruments. 72:2015-2022
Ion cyclotron heating has been established as one of the heating schemes in nuclear fusion research and its use in steady state plasma heating in various devices is being considered. The optimal technology for steady state ion cyclotron range of freq
Autor:
Ryuhei Kumazawa, X. Jikang, Takashi Minami, Tokihiko Tokuzawa, Takashi Mutoh, Mamoru Shoji, Katsumi Ida, Hisamichi Funaba, Ichihiro Yamada, T. Watari, S. Morita, G. Nomura, Yoshihide Oka, Ryuichi Sakamoto, Kuninori Sato, Kunizo Ohkubo, Takashi Shimozuma, Shin Kubo, Katsuyoshi Tsumori, Yasuo Yoshimura, Kenji Tanaka, Suguru Masuzaki, Kazumichi Narihara, G. Cattanei, Fujio Shimpo, S. Murakami, Masaki Osakabe, Hajime Suzuki, Osamu Kaneko, Y. Nakamura, Tomo-Hiko Watanabe, Satoru Sakakibara, Akio Sagara, J. Miyazawa, Osamu Motojima, Shigeru Sudo, Hiroshi Yamada, Yasuhiko Takeiri, Mamiko Sasao, Nobuyoshi Ohyabu, M. Fujiwara, Sadatsugu Muto, K. Nishimura, Kazuo Toi, Kazuo Kawahata, Kenya Akaishi, Tomohiro Morisaki, Shinichiro Kado, Shigeru Inagaki, Akio Komori, T. Ozaki, M. Sato, K.Y. Watanabe, Yoshio Nagayama, K. Yamazaki, N. Noda, Hiroyuki Okada, Kenji Saito, H. Sasao, Tetsuo Seki, Satoshi Ohdachi, Hiroshi Idei, Motoshi Goto, Byron J. Peterson
Publikováno v:
Plasma Physics and Controlled Fusion. 42:265-274
The first experiment of the ion cyclotron range of frequencies (ICRF) heating in the Large Helical Device (LHD) was carried out at the end of 1998. The LHD is a large superconducting heliotron device and its first plasma was produced in March 1998. D
Autor:
H. Wolff, A. Dodhy, G. Cattanei, S. Geissler, E. Würsching, A. A. Borschegovsky, S. A. Malygin, H. Verbeek, H. Ringler, F. Sardei, N. Ruhs, P. Pech, H. Niedermeyer, F. Karger, M. Endler, U. Wenzel, R. Burhenn, A. Rudjy, H. Maassberg, S. Sattler, H. J. Hartfuss, G. A. Müller, J. V. Hofmann, J. Baldzuhn, Frank Schneider, R. Jaenicke, M. Tutter, G. Kuehner, T. Geist, G. Herre, D. Zimmermann, H. Kroiss, O. Heinrich, L. Giannone, V. I. Malygin, M. Kick, Ulrich Stroth, T. Ott, V. Erckmann, D. Hildebrandt, D. Dorst, M. Zippe, U. Gasparino, R. Brakel, E. Speth, C. Mahn, K. McCormick, G. Siller, Friedrich E. Wagner, P. Grigull, W. Kasparek, W. Gasparino, J. Saffert, K. Engelhardt, V. I. Ilin, P. G. Schüller, A. Weller, H. P. Penningsfeld, Ulrich Schneider, V. I. Kurbatov, A. Elsner, W. Ohlendorf, H. Hacker, E. Unger
Publikováno v:
Fusion Engineering and Design. 26:141-152
Electron cyclotron resonance heating (ECRH) at the W7-AS stellarator is performed two systems of comparable heating power at 70 GHz (0.8 MW, 3 s) and 140 GHz (0.9 MW, 0.4 s). Experiments with 140 GHz open a new parameter window with high density oper
Autor:
E. Würsching, V. I. Kurbatov, F. Karger, S. Sattler, H. Wolff, Ulrich Schneider, M. Kick, W. Kasparek, B. Bomba, D. Dorst, A. Dodhy, H. Hacker, F. Sardei, G. Cattanei, V. B. Orlov, V. I. Malygin, S. Zöpfel, J. V. Hofmann, P. G. Schüller, E. Unger, D. Hildebrandt, A. Elsner, A. Weller, M. Tutter, G. Herre, O. Heinrich, Ulrich Stroth, A. Lazaros, V. Erckmann, A. A. Borschegovsky, L. Giannone, R. Brakel, S. A. Malygin, A. Rudyj, K. McCormick, A. N. Kuftin, I. N. Roi, H. Niedermeyer, F. Schneider, P. Pech, W. Ohlendorf, V. I. Hiznyak, H. Ringler, S. Kubo, H. J. Hartfuss, M. Endler, R. Burhenn, G. A. Müller, Friedrich E. Wagner, V. I. Ilin, G. Siller, P. Grigull, R. Jaenicke, S. D. Bogdanov, T. Geist, U. Gasparino, J. Baldzuhn
Publikováno v:
Physical Review Letters. 70:2086-2089
In W 7-AS the [ital H] mode has been observed for the first time in a currentless stellarator plasma. [ital H] modes are achieved with 0.4 MW electron cyclotron resonance heating at 140 GHz at high density. The [ital H] phases display all characteris
Autor:
Anthony B. Murphy, G. Cattanei
Publikováno v:
Nuclear Fusion. 31:219-232
The details and results of a new ICRF code are presented. The code is based on a multiple shooting method and evaluates the RF field and power deposition profiles for minority heating in a tokamak plasma. The non-local relation between the RF fields
Autor:
K. Saito, Yoshihide Oka, Takashi Shimozuma, J. Miyazawa, H. Funaba, Nobuyoshi Ohyabu, T. Tokuzawa, N. Noda, Ryuichi Sakamoto, Ichihiro Yamada, S. Morita, Osamu Kaneko, H. Sasao, A. Iiyoshi, Hideya Nakanishi, Hiroyuki Okada, T. Mutoh, S. Murakami, B.J. Peterson, Kazuo Kawahata, T. Kobuchi, Y. Nakamura, Kazuhiro Tsuzuki, Shinichiro Kado, R. Kumazawa, K. Narihara, Tomohiro Morisaki, T. Minami, G. Cattanei, S. Sasakibara, G. Nomura, N. Inoue, O. Motojima, K. Nishimura, T. Watari, Shin Kubo, Y. Hamada, T. Ozaki, K. Ohkubo, Xie Jikang, Kuninori Sato, Katsuyoshi Tsumori, K. Akaishi, Suguru Masuzaki, Masayuki Yokoyama, Kenji Tanaka, Masahide Sato, S. Sudo, Fujio Shimpo, Motoshi Goto, A. Komori, Y. Yoshimura, K.Y. Watanabe, Masaki Osakabe, Satoshi Ohdachi, T. Ido, Y. Takeiri, Hajime Suzuki, Mamiko Sasao, Masami Fujiwara, Y. Nagayama, M. Emoto, S. Inagaki, Hiroshi Idei, Soichiro Yamaguchi, T. Seki, Sadatsugu Muto, Mamoru Shoji, Akio Sagara, Katsumi Ida, Hiroshi Yamada, K. Toi
Publikováno v:
AIP Conference Proceedings.
The final goal of Ion Cyclotron Range of Frequency (ICRF) heating on the Large Helical Device (LHD) is characterized by its high power (up to 12MW) and by steady state operation (30 minutes). Initial ICRF heating experiments were carried out using a
Autor:
Yanyun Zhao, T. Mutoh, G. Nomura, T. Watari, T. Seki, R. Kumazawa, G. Cattanei, T. Ido, Kenji Saito, Fujio Shimpo
Publikováno v:
AIP Conference Proceedings.
Ion Cyclotron Range of Frequency (ICRF) heating on the Large Helical Device (LHD) is characterized by high power (up to 12MW) and by steady-state operation (30 minutes). Research and development for ICRF heating have been carried out in recent years.
Autor:
G. Cattanei
Publikováno v:
AIP Conference Proceedings.
Autor:
F. Wesner, J. F. Lyon, F. Braun, V. Plyusnin, T. Sperger, G. Cattanei, W As Team, S. Fiedler, D. A. Hartmann
Publikováno v:
AIP Conference Proceedings.
ICRF heating experiments have been carried out on the stellarator W7-AS using a single broad antenna on the high field side. This antenna launches a narrow k∥-spectrum for π-phasing. Bulk plasma heating of electrons and ions succeeded for 2nd harm