2008 Fiscal Year Final Research Report
Experimental study of bifurcation theories on torus plasma confinements
Project/Area Number |
17360439
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Nuclear fusion studies
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Research Institution | Tohoku University |
Principal Investigator |
KITAJIMA Sumio Tohoku University, 大学院・工学研究科, 准教授 (30161475)
|
Co-Investigator(Renkei-kenkyūsha) |
SASAO Mamiko 東北大学, 大学院・工学研究科, 教授 (00144171)
HASHIZUME Hidetoshi 東北大学, 大学院・工学研究科, 教授 (80198663)
TAKAYAMA Masakazu 秋田県立大学, システム科学技術学部, 准教授 (20236368)
INAGAKI Shigeru 核融合科学研究所, 大型ヘリカル研究部, 助教 (60300729)
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Project Period (FY) |
2005 – 2008
|
Keywords | plasma / stellarator / heliac / H-mode / radial electric field / viscosity / neo-classical theory / electrode biasing |
Research Abstract |
本補助金により、東北大ヘリアック装置において、プラズマ中に挿入した熱陰極バイアスにより径方向電場分岐実験に成功し、径方向電流と閉じ込め磁場による力、JxBポロイダル駆動力と粘性、摩擦との平衡より粘性を評価すると、理論値と定性的に非常に良く一致した結果が得ることができた。これは核融合を目指した、プラズマ磁気閉じ込めにおけるL-H遷移現象の物理を理解する上で重要なことである。
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Research Products
(47 results)
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[Journal Article] Development of Hydrogen Storage Electrode for Plasma Biasing in the Tohoku University Heliac2008
Author(s)
H Utoh, K Nishimura, H Takahashi, Y Tanaka, H Aoyama, K Iwazaki, H Umetsu, K Ishii, S Inagaki, M Yokoyama, Y Suzuki, A Okamoto, T Kobuchi, S Kitajima and M Sasao
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Journal Title
Journal of Physics Conference Series 123
Pages: 012024-1-012024-9
Peer Reviewed
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[Journal Article] Effects of rotating magnetic islands driven by external perturbation fields in TU-Heliac2008
Author(s)
Sumio KITAJIMA, Hajime UMETSU, Mamiko SASAO, Atsushi OKAMOTO, Takashi KOBUCHI, Yutaka TANAKA, Hiroyasu UTOH, Hiroshi AOYAMA, Keisuke IWAZAKI, Shigeru INAGAKI, Masakazu TAKAYAMA, Akio KOMORI, Kiyohiko NISHIMURA, Yasuhiro SUZUKI, Masayuki YOKOYAMA, Hiromi TAKAHASHI
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Journal Title
Plasma Fusion Res Vol.3
Pages: S1027-1-S1027-4
Peer Reviewed
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[Journal Article] Density Collapse of Poloidal Rotating Plasma in TU-Heliac2008
Author(s)
Yutaka TANAKA, Sumio KITAJIMA, Mamiko SASAO, Hiroyasu UTOH, Hiroshi AOYAMA,Keisuke IWAZAKI, Hajime UMETSU, Keiichi ISHII, Atsushi OKAMOTO, Takashi KOBUCHI, Shigeru INAGAKI, Yasuhiro SUZUKI and Hiromi TAKAHASHI
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Journal Title
Plasma Fusion Res. Vol.3
Pages: S1055-1-S1055-7
Peer Reviewed
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[Journal Article] Study of Ion Viscosity by Spontaneous L-H Transitions under Marginal Hot Cathode Biasing in the Tohoku University Heliac2008
Author(s)
Kitajima, S. Takahashi, H. Tanaka, Y. Utoh, H. Takenaga, M. Yokoyama, M. Inagaki, S. Suzuki, Y. Nishimura, K. Ogawa, H. Takayama, M. Shinde, J. Ogawa, M. Aoyama, H. Iwazaki, K. Okamoto, A. Shinto, K. Sasao, M
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Journal Title
Nuclear Fusion 48
Pages: 035002-1-035002-6
Peer Reviewed
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[Journal Article] ION TEMPERATURE MEASUREMENTS IN TOHOKU UNIVERSITY HELIAC FOR ANALYSIS OF THE IMPROVED MODE TRANSITION2007
Author(s)
OGAWA M, OGAWA H, TAKAHASHI H, TANAKA Y, UTOH H, SHINDE J, IWAZAKI K, AOYAMA H, UMETSU H, OKAMOTO A, SHINTO K, KITAJIMA S, YOKOYAMA M, INAGAKI S, SUZUKI Y, NISHIMURA K, SASAO M
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Journal Title
Trans.Fusion Sci. Tech. 51
Pages: 268-270
Peer Reviewed
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[Journal Article] POTENTIAL AND DENSITY FLUCTUATION CHARACTERISTICS OF THE HOT-CATHODE-BIASED SUPERSONIC PLASMA IN TU-HELIAC2007
Author(s)
TANAKA Y, TAKAHASHI H, UTOH H, SHINDE J, OGAWA M, IWAZAKI K, AOYAMA H, UMETSU H, OKAMOTO A, SHINTO K, KITAJIMA S, YOKOYAMA M, INAGAKI S, SUZUKI Y, NISHIMURA K, SASAO M
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Journal Title
Trans. Fusion Sci. Tech. 51
Pages: 265-267
Peer Reviewed
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[Journal Article] Advanced probe measurement system in TU-Heliac2007
Author(s)
Yutaka TANAKA, Hiromi TAKAHASHI, Hiroyasu UTOH, Michiaki OGAWA, Junji SHINDE, Hiroshi AOYAMA, Keisuke IWAZAKI, Hajime UMETSU, Atsushi OKAMOTO, Katsuhiro SHINTO, Sumio KITAJIMA, Masayuki YOKOYAMA, Shigeru INAGAKI, Yasuhiro SUZUKI, Kiyohiko NISHIMURA and Mamiko SASAO
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Journal Title
Plasma Fusion Res. 2
Pages: S1090-1-S1090-4
Peer Reviewed
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[Journal Article] Measurement of fluctuations in the supersonic poloidal flow driven by a hot cathode2006
Author(s)
Y Tanaka, H Takahashi, H Utoh, J Shinde, M Ogawa, K Iwazaki, H Aoyama, A Okamoto, K Shinto, S Kitajima, M Yokoyama, S Inagaki, Y Suzuki, K Nishimura and M Sasao
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Journal Title
Plasma Phys. Control. Fusion 48
Pages: A285-A293
Peer Reviewed
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[Journal Article] Spontaneous L-H transitions under marginal hot cathode biasing in the Tohoku University Heliac2006
Author(s)
Kitajima, S. Takahashi, H. Tanaka, Y. Utoh, H. Yokoyama, M. Inagaki, S. Suzuki, Y. Nishimura, K. Shinde, J. Ogawa, M. Iwazaki, K. Aoyama, H. Okamoto, A. Shinto, K. Sasao, M.
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Journal Title
Plasma Phys. Control. Fusion 48
Pages: A259-A267
Peer Reviewed
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[Journal Article] Effects of Rational Surfaces and Magnetic Islands on Radial Electric Fields and Ion Viscosity in Tohoku University Heliac2006
Author(s)
KITAJIMA S, TAKAHASHI H, TANAKA Y, UTOH H, TAKENAGA M, YOKOYAMA M, INAGAKI S, SUZUKI Y, NISHIMURA K, OGAWA H, SHINDE J, OGAWA M, AOYAMA H, IWAZAKI K, OKAMOTO A, SHINTO K, SASAO M
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Journal Title
Fusion Science and Technol 50
Pages: 201-206
Peer Reviewed
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[Journal Article] Hot Cathode Biasing Experiments in Helical Systems2006
Author(s)
TAKAHASHI H, UTOH H, KITAJIMA S, ISOBE M, SUZUKI C, TAKEUCHI M, IKEDA R, TANAKA Y, YOKOYAMA M, TOI K, OKAMURA S, SASAO M
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Journal Title
Fusion Science and Technology 51
Pages: 54-60
Peer Reviewed
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[Presentation] Recent Experimental Results in Tohoku University Heliac(TU-Heliac)2008
Author(s)
S. Kitajima, H. Utoh, H. Umetsu, J. Sato, K. Ishii, A. Okamoto, T. Kobuchi, M. Sasao,Y. Tanaka, S. Inagaki, M. Takayama, A. Komori, K. Nishimura, Y. Suzuki,M. Yokoyama, H. Takahashi
Organizer
18th International Toki Conference
Place of Presentation
Japan ,Toki,セラトピア土岐
Year and Date
2008-12-10
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[Presentation] Density Collapse in Improved Confinement Mode on Tohoku University Heliac2008
Author(s)
S. Kitajima, Y. Tanaka, H. Utoh, H. Umetsu, J. Sato , K. Ishii, T. Kobuchi,A. Okamoto, M. Sasao, Y. Suzuki, M. Yokoyama, S. Inagaki, K. Nishimura,H. Takahashi, H. Ogawa and M. Takayama
Organizer
22nd IAEA Fusion Energy Conference,Switzerland
Place of Presentation
Geneva
Year and Date
2008-10-13
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[Presentation] 東北大学ヘリアック装置におけるバイアスプラズマ中での密度崩壊2008
Author(s)
北島純男, 田中豊, 宇藤裕康, 梅津創, 佐藤淳弥, 石井啓一, 鈴木康浩, 横山雅之, 稲垣滋, 西村清彦, 高橋裕己, 小川宏明, 小渕隆, 岡本敦, 笹尾真実子
Organizer
日本物理学会2008年秋季大会、日本、盛岡
Place of Presentation
岩手大学
Year and Date
2008-09-23
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[Presentation] High Beta Discharges with Hydrogen Storage Electrode Biasing in the Tohoku University Helia2008
Author(s)
H. Utoh, K. Nishimura, H. Umetsu, K. Ishii, S. Inagaki, M. Yokoyama, Y. Suzuki, H. Takahashi, Y. Tanaka, A. Okamoto, T. Kobuchi, S. Kitajima and M. Sasao
Organizer
14th International Congress on Plasma Physics, Japan, Fukuoka
Place of Presentation
福岡国際会議場
Year and Date
2008-09-08
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[Presentation] Effects of rotating magnetic islands driven by external perturbation fields in TU-Heliac2007
Author(s)
S. Kitajima, H. Umetsu, M. Sasao, A. Okamoto, T. Kobuchi, Y. Tanaka, H. Utoh, H. Aoyama, K. Iwazaki, S. Inagaki, M. Takayama, A. Komori, K. Nishimura, Y. Suzuki, M. Yokoyama and H. Takahashi
Organizer
17th International Toki Conference(ITC)on Physics of Flows and Turbulence in Plasmas and 16th International Stellarator/Heliotron Workshop(ISHW)
Place of Presentation
Japan ,Toki
Year and Date
2007-10-15
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[Presentation] Density Collapse of Poloidal Rotating Plasma in TU-Heliac2007
Author(s)
Y. Tanaka, S. Kitajima, M. Sasao, H. Utoh, H. Aoyama, K. Iwasaki, H. Umetsu, K. Ishii, A. Okamoto, T. Kobuchi, S. Inagaki, Y. Suzuki, and H. Takahashi
Organizer
17th International Toki Conference(ITC)on Physics of Flows and Turbulence in Plasmas and 16th International Stellarator/Heliotron Workshop(ISHW)
Place of Presentation
Toki,Japan
Year and Date
2007-10-15
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[Presentation] Study of Transition Mechanism to Improved Confinement Mode in Helical Plasmas by Electrode Biasing2007
Author(s)
H. Takahashi, H. Utoh, S. Kitajima, M. Isobe, C. Suzuki, M. Takeuchi, R. Ikeda, Y. Tanaka, M. Yokoyama, K. Toi, S. Okamura and M. Sasao
Organizer
11th IAEA Technical Meeting on H-mode Physics and Transport Barriers
Place of Presentation
Japan ,Tsukuba
Year and Date
2007-09-27
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[Presentation] Development of Hydrogen Storage Electrode for Plasma Biasing in the Tohoku University Heliac2007
Author(s)
H. Utoh, K Nishimura, H Takahashi, Y Tanaka, H Aoyama, K Iwazaki, H Umetsu, K Ishii, S Inagaki, M Yokoyama, Y Suzuki, A Okamoto, T Kobuchi, S Kitajima and M Sasao
Organizer
11th IAEA Technical Meeting on H-mode Physics and Transport Barriers
Place of Presentation
Japan,Tsukuba
Year and Date
2007-09-27
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[Presentation] Advanced probe measurement system in TU-Helia2006
Author(s)
Y. Tanaka, H. Takahashi, H. Utoh, M. Ogawa, J. Shinde, H. Aoyama, K. Iwazaki, H. Umetsu, A. Okamoto, K. Shinto, S. Kitajima, M. Yokoyama, S. Inagaki, Y. Suzuki, K. Nishimura and M. Sasao
Organizer
16th International Toki Conference
Place of Presentation
Japan ,Toki
Year and Date
2006-12-05
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[Presentation] Study of ion viscosity by spontaneous L-H transitions under marginal hot cathode biasing in the Tohoku University Heliac2006
Author(s)
S. Kitajima, H. Takahashi, Y. Tanaka, H. Utoh, M. Takenaga, M. Yokoyama, S. Inagaki, Y. Suzuki, K. Nishimura, H. Ogawa, M. Takayama, J. Shinde, M. Ogawa, H. Aoyama, K. Iwazaki, A. Okamoto, K. Shinto and M. Sasao
Organizer
21st IAEA Fusion Energy Conference
Place of Presentation
China ,Chengdu
Year and Date
2006-10-16
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[Presentation] Ion temperature measurements in the biased plasma with a hot cathode in Tohoku University Heliac2006
Author(s)
M. Ogawa, H. Ogawa, H. Takahashi, Y. Tanaka, H.Utoh, J. Shinde, K. Iwazaki, H. Aoyama, H. Umetsu, A. Okamoto, K. Shinto, S. Kitajima, M. Yokoyama, S. Inagaki, Y. Suzuki, K. Nishimura and M. Sasao
Organizer
6th International Conference on Open Magnetic Systems for Plasma Confinement, Japan
Place of Presentation
Tsukuba
Year and Date
2006-07-17
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[Presentation] Potential and density fluctuation characteristics of the hot-cathode-biased supersonic plasma in TU-Heliac2006
Author(s)
Y. Tanaka, H. Takahashi, H. Utoh, J. Shinde, M. Ogawa, K. Iwazaki, H. Aoyama, H. Umetsu, A. Okamoto, K. Shinto, S. Kitajima, M. Yokoyama, S. Inagaki, Y. Suzuki, K. Nishimura and M. Sasao
Organizer
6th International Conference on Open Magnetic Systems for Plasma Confinement
Place of Presentation
Japan ,Tsukuba
Year and Date
2006-07-17
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[Presentation] Hot cathode biasing experiment in Compact Helical System2005
Author(s)
H. Takahashi, H. Utoh, S. Kitajima, M. Isobe, C. Suzuki, M. Takeuchi, R. Ikeda, Y. Tanaka, M. Yokoyama, K. Toi, S. Okamura and M. Sasao
Organizer
15th International Stellarator Workshop, Madrid
Place of Presentation
Spain
Year and Date
2005-10-03
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[Presentation] High density plasma productions by hydrogen storage electrode in the Tohoku University Heliac2005
Author(s)
H. Utoh, K. Nishimura, S. Inagaki, H. Takahashi, Y. Tanaka, M. Takenaga, M. Ogawa, J. Shinde, K. Iwazaki, K. Shinto, S. Kitajima and M.Sasao
Organizer
15th International Stellarator Workshop, Spain
Place of Presentation
Madrid
Year and Date
2005-10-03
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[Presentation] Study of magnetic fourier components effect on ion viscosity in Tohoku University Heliac2005
Author(s)
S. Kitajima, H. Takahashi, Y. Tanaka, H. Utoh, M. Takenaga, M. Yokoyama, S. Inagaki, Y. Suzuki, K. Nishimura, H. Ogawa, J. Shinde, M. Ogawa, H. Aoyama, K. Iwazaki, K. Shinto and M. Sasao
Organizer
15th International Stellarator Workshop
Place of Presentation
Spain, Madrid
Year and Date
2005-10-03
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[Presentation] Spontaneous L-H transitions under marginal hot cathode biasing in the Tohoku University Heliac2005
Author(s)
S. Kitajima, H. Takahashi, Y. Tanaka, H. Utoh, M. Yokoyama, S. Inagaki, Y. Suzuki, K. Nishimura, J. Shinde, M. Ogawa, H. Aoyama, K. Shinto and M. Sasao
Organizer
10th IAEA Technical Meeting on H-mode Physics and Transport Barriers
Place of Presentation
Russia ,St.Petersburg
Year and Date
2005-09-28
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[Presentation] Measurement of fluctuations in the2005
Author(s)
supersonic poloidal flow driven by a hot cathode Y. Tanaka, H. Takahashi, H. Utoh, J. Shinde, M. Ogawa, H. Aoyama, K. Shinto, S. Kitajima, M. Yokoyama, S. Inagaki, Y. Suzuki, K. Nishimura and M. Sasao
Organizer
10th IAEA Technical Meeting on H-mode Physics and Transport Barriers
Place of Presentation
Russia ,St.Petersburg
Year and Date
2005-09-28
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[Presentation] Biasing experiments by a Ti electrode in the Tohoku University Heliac2005
Author(s)
H. Utoh, K. Nishimura, S. Inagaki, H. Takahashi, Y. Tanaka, M. Takenaga, M. Ogawa, J. Shinde, K. Shinto, S. Kitajima, M. Sasao
Organizer
32nd EPS Plasma Physics Conference
Place of Presentation
Spain ,Tarragona
Year and Date
2005-06-27