Development of Dynamic Divertor by Doublet Configuration
| Project/Area Number |
22656208
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Nuclear fusion studies
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| Research Institution | The University of Tokyo |
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Principal Investigator |
ONO Yasushi 東京大学, 大学院・新領域創成科学研究科, 教授 (30214191)
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| Co-Investigator(Renkei-kenkyūsha) |
YAMADA Takuma 東京大学, 大学院・新領域創成科学研究科, 助教 (90437773)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥540,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,300,000)
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| Keywords | 燃料 / ブランケット / プラズモイド / ダイバータ / ダブレット / 磁気リコネクション / トカマク / ガスパフ / センターソレノイドコイル / 電流駆動 |
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| Research Abstract |
We studied controlled plasmoid ejections from the main plasmas for a new type divertor, called“Dynamic divertor”. Using the TS-4 spherical tokamak experimentand 2-D MHD simulation, we demonstrated for the first time,periodic ejections of plasmoids from the main plasma, theirtransportation and reconnection with the divertor plate. Since the plasmoid can transport all heat flux from the main plasma, impurity pellet/ gasinjection to the isolated plasmoid is expected to reduce the heat load to the divertor platessignificantly.
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Report
(4 results)
Research Products
(127 results)
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[Journal Article] Electron Acceleration by Magnetic Reconnection During Spherical Tokamak Merging Experiment2013
Author(s)
S. Kamio, K. Yamasaki, K. Takemura, Q. H. Cao, T. G. Watanabe, H. Itagaki, T. Tsutsui, K. Ishiguchi, R. Imazawa, T. Yamada, C. Z. Cheng, M. Inomoto, Y. Ono
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Journal Title
IEEJ Transactions on Fundamentals and Materials
Volume: 133
Issue: 4
Pages: 166-172
DOI
NAID
ISSN
0385-4205, 1347-5533
URL
Related Report
Peer Reviewed
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[Journal Article] Intermittent magnetic reconnection in TS-3 merging experiment2011
Author(s)
Y.Ono, Y.Hayashi, T.Ii, H.Tanabe, S.Ito, A.Kuwahata, T.Ito, Y.Kamino, T.Yamada, M.Inomoto, TS-Group
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Journal Title
Physics of Plasmas
Volume: 18
Issue: 11
Pages: 111213-111219
DOI
Related Report
Peer Reviewed
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[Journal Article] Multipoint Spectroscopy Measurement of Spherical Tokamak Heating by Magnetic Reconnection in UTST2011
Author(s)
S. Kamio, Q. Cao, K. Abe, M. Sakumura, N. Suzuki, T. G Watanabe, K. Ishiguchi, R. Imazawa, T. Yamada, M. Inomoto, Y. Ono
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Journal Title
Plasma and Fusion Research
Volume: 6
Pages: 2402033-2402033
DOI
NAID
ISSN
1880-6821
Related Report
Peer Reviewed
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[Journal Article] Direct Measurements of High Harmonic Fast Wave Profile in the UTST Spherical Tokamak Plasma2010
Author(s)
T. Wakatsuki, Y. Nagashima, T. Oosako, H. Kobayashi, B. I. An, H. Kakuda, T. Yamada, R. Imazawa, O. Watanabe, T. Yamaguchi, H. Kurashina, H. Hayashi, K. Yamada, T. Sakamoto, K. Hanashima, J. Hiratsuka, S. Kamio, R. Hihara, K. Abe, M. Sakumura, Q. Cao, M. Inomoto, Y. Ono, A. Ejiri, Y. Takase
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Journal Title
Plasma and Fusion Research
Volume: 5
Pages: 018-018
DOI
NAID
ISSN
1880-6821
Related Report
Peer Reviewed
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[Presentation] Dynamic divertor by plasmoid ejection2012
Author(s)
S. Inoue, Y. Ono, Y. Kaminou, R. Horiuchi ,
Organizer
39th European Physical Society Conference on Plasma Physics and 16th International Congress on Plasma Physics
Place of Presentation
Stockholm, Sweden
Year and Date
2012-07-05
Related Report
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[Presentation] Ion and Electron Heating Characteristics of Magnetic Reconnection in Tokamak Plasma Merging Experiments2012
Author(s)
Y. Ono, M. Inomoto, T. Yamada, H. Tanabe, T. Ii, S. Inoue, K. Gi, T. Watanabe, M. Gryaznevich, R. Scannell, C. Mihchael, B. Lloid, C. Z. Cheng
Organizer
39th European Physical Society Conference on Plasma Physics and 16th International Congress on Plasma Physics
Place of Presentation
Stockholm, Sweden
Related Report
Invited
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[Presentation] Stability and Confinement Improvement of Oblate Field-Reversed Configuration by Neutral Beam Injection2012
Author(s)
T. Ii, M. Inomoto, K. Gi, T. Umezawa, S. Kamio, A. Kuwahata, Q.H. Cao, H. Itagaki, T.G. Watanabe, B. Gao, K. Takemura, K. Yamasaki, E. Kawamori, T. Asai, S. Okada, and H. Zushi
Organizer
Fusion Energy Conference 2012
Place of Presentation
San Diego, USA
Related Report
Invited
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[Presentation] Updates Research from Japan2011
Author(s)
Yasushi Ono
Organizer
11th International Workshop on the Interrelations hip between Plasma Experiments in the Laboratory and in Space (IPELS)
Place of Presentation
Westin Hotel, Whistler, Canada(Invited)
Related Report
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[Presentation] Merging startup experiments in UTST and MAST2011
Author(s)
T.Yamada, M.Gryaznevich, M.Inomoto, Y.Takase, Y.Ono, et al
Organizer
The Joint Meeting of 5th IAEA Technical Meeting on Spherical Tori 16th International Workshop on Spherical Torus (ISTW2011) and 2011 US-Japan Workshop on ST Plasma
Place of Presentation
National Institute for Fusion Science, Toki, Gifu
Related Report
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[Presentation] Excitation of Low Frequency Electromagnetic Waves in Magnetic Reconnection Laboratory Experiment2011
Author(s)
M.Inomoto, A.Kuwahata, S.Ito, H.Tanabe, Y.Hayashi, P.Copinger, T.Ii, B.Gao, T.Ito, T.Yamada, Y.Ono
Organizer
Fifth Hinode Science Conference
Place of Presentation
Royal Sonesta Hotel, Cambridge, USA(Invited)
Related Report
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[Presentation] Ion heating characteristics of magnetic reconnection in TS-3 & TS-4 tokamak and spheromak merging experiments2011
Author(s)
H.Tanabe, H.Oka, A.Kuwahata, M.Annoura, S.You, M.Inomoto, Y.Ono
Organizer
53rd Annual Meeting of the American Physical Society Division of Plasma Physics, NP9.00010
Place of Presentation
Salt Palace Convention Center, Salt Lake City, UT, USA
Related Report
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[Presentation] Active Stabilization of FRCs by Intermittent Merging of Counter-Helicity Spheromaks in TS-3 and TS-4 Merging Experiments2011
Author(s)
S.Inoue, Y.Ono, T.Watanabe, S.Ito, T.Ii, S.Kamio, T.Yamada, M.Inomoto
Organizer
53rd Annual Meeting of the American Physical Society Division of Plasma Physics, NP9.00010
Place of Presentation
Salt Palace Convention Center, Salt Lake City, UT, USA
Related Report
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