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Takumi Onchi Last modified date：2022.06.13

Assistant Professor / Advanced Fusion Research Center
Research Institute for Applied Mechanics


Graduate School
総合理工学府　プラズマ・量子理工学メジャー　


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Homepage
https://kyushu-u.pure.elsevier.com/en/persons/takumi-onchi
　Reseacher Profiling Tool　Kyushu University Pure
http://www.triam.kyushu-u.ac.jp/
Advanced Fusion Research Center .
http://www.triam.kyushu-u.ac.jp/hanadalabo/en/index.html
Interdisciplinary Graduate School of Engineering Sciences .
Phone
092-583-7696
Fax
092-573-6899
Academic Degree
Ph.D
Country of degree conferring institution (Overseas)
No
Field of Specialization
Plasma Engineering
ORCID(Open Researcher and Contributor ID)
0000-0001-8821-0296
Total Priod of education and research career in the foreign country
03years00months
Research
Research Interests
  • Electron cyclotron heating/current-drive on QUEST spherical tokamak
    keyword : Plasma, Spherical tokamak, RF plasma heating/current-drive
    2015.04～2023.03.
  • Power electronics for Tokamak Ohmic heating
    keyword : High voltage power supply, power electronics, Tokamak
    2016.04～2023.03.
  • Permutation entropy and statistical complexity of time series data in plasma experiment
    keyword : Permutation entropy, statistical complexity
    2017.01～2023.03.
Academic Activities
Reports
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1. Evaluation of Time-Series Data Using Permutation Entropy and Statistical Complexity.
Papers
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1. T. Onchi, A. Fujisawa, A. Sanpei, H. Himura, S. Masamune, and RELAX team, Permutation entropy and statistical complexity in characterising low-aspect-ratio reversed-field pinch plasma, Physica Scripta, https://doi.org/10.1088/1402-4896/aa6689, 92, 5, 055601, 2017.04.
2. Takumi Onchi, D. McColl, A. Rohollahi, C. Xiao, A. Hirose, M. Dreval, S. Wolfe, Development Toward a Repetitive Compact Torus Injector, IEEE Transactions on Plasma Science, 44, 2, 195, 2016.02.
3. T. Onchi, Y. Liu, M. Dreval, D. McColl, S. Elgriw, D. Liu, T. Asai, C. Xiao, A. Hirose, Effects of compact torus injection on toroidal flow in the STOR-M tokamak, Plasma Physics and Controlled Fusion, 55, 3, 035003, 2013.03.
4. T. Onchi, R. Ikezoe, K. Oki, A. Sanpei, H. Himura, S. Masamune, Tangential soft-x ray imaging for three-dimensional structural studies in a reversed field pinch, Review of Scientific Instruments, 81, 7, 073502, 2010.07.
Presentations
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Membership in Academic Society
  • American Physical Society
  • The Physical Society of Japan
  • The Japan Society of Plasma Science and Nuclear Fusion Research


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