| Project/Area Number |
14380216
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nuclear fusion studies
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| Research Institution | University of Tsukuba |
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Principal Investigator |
CHO Teruji University of Tsukuba, Institute of Physics, Professor, 物理学系, 教授 (80171958)
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| Co-Investigator(Kenkyū-buntansha) |
NAKASHIMA Yousuke University of Tsukuba, Plasma Research Center/Institute Physics, Assistant Professor, プラズマ研究センター・物理学系, 助教授 (00188939)
HIRATA Mafumi University of Tsukuba, Plasma Research Center/Institute Physics, Assistant Professor, プラズマ研究センター・物理学系, 講師 (70222247)
KOHAGURA Junko University of Tsukuba, Plasma Research Center/Institute Physics, Assistant Professor, プラズマ研究センター・物理学系, 講師 (60302345)
TATEMATSU Yoshinori University of Tsukuba, Plasma Research Center/Institute Physics, Assistant Professor, プラズマ研究センター・物理学系, 講師 (50261756)
YOSHIKAWA Masayuki University of Tsukuba, Institute of Physics, Assistant Professor, 物理学系, 講師 (00272138)
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| Project Period (FY) |
2002 – 2003
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| Project Status |
Completed (Fiscal Year 2003)
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| Budget Amount *help |
¥10,500,000 (Direct Cost: ¥10,500,000)
Fiscal Year 2003: ¥3,800,000 (Direct Cost: ¥3,800,000)
Fiscal Year 2002: ¥6,700,000 (Direct Cost: ¥6,700,000)
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| Keywords | Tandem Mirror Plasma / Potential Confinement / Potential Formation Mechanisms / Consolidation of Scaling Laws / Electron Cyclotron Heatings / Thermal Barrier Potential / Ion Diagnostics / X-ray Diagnostics |
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| Research Abstract |
Following the Lyon IAEA Conference, a factor of two progress In the formation of ion-confining potential height (φ_c) is achieved in the hot-ion mode. The advance in the potential formation leads to a finding of remarkable effects of radially produced shear of electric fields dEr/dr on the suppression of not only coherent drift waves but turbulence-like fluctuations for the first time in GAMMA 10. Also, the progress in the potential formation is made in line with the extension of our proposed physics scaling of potential formation covering over representative tandem-mirror operational modes, characterized in terms of (a) a high-potential mode having kV-order plasma-confining potentials and (b) a hot-ion mode yielding fusion neutrons with 10-20 keV bulk-ion temperatures (T_i)
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