NUMAKURA Tomoharu

Affiliation
Institute of Pure and Applied Sciences
Official title
Assistant Professor
Birth date
1975-06
Email
59@8,6@=,N]Y;=.W?>@6@-,W,.W5;d
Phone
0298537473
Research fields
Plasma science
Research keywords
Scaling law
Diagnostics
Plasma Confinement
Research projects
高電位・強径電場シアー形成によるプラズマ閉じ込め改善効果の評価2007 -- 2009-03NUMAKURA TomoharuJapan Society for the Promotion of Science (JSPS)/Grant-in-Aid for Young Scientists (B)2,100,000Yen
新しいイオン及び電子温度二次元空間分布構造同時計測法の開発と温度・電位分布の相関2000 -- 2003-03NUMAKURA TomoharuJapan Society for the Promotion of Science (JSPS)/Grant-in-Aid for JSPS Fellows3,000,000Yen
Academic background
-- 1998-03University of Tsukuba First Cluster of College 自然学類物理学専攻
-- 2003-03University of Tsukuba Graduate School, Division of Physics 物理学専攻
Degree
Doctor of ScienceUniversity of Tsukuba
Licenses and qualifications
2011-02第一種冷凍機械
Academic societies
-- (current)THE JAPAN SOCIETY OF PLASMA SCIENCE AND NUCLEAR FUSION RESEARCH
Honors & Awards
2004-06核融合エネルギー連合講演会に於ける論文発表による優秀賞
2003-03筑波大学大学院優秀論文表彰
Articles
  • Behavior of detached simulation plasma by suddenly changed particle flux in GAMMA 10/PDX
    Yoshikawa Masayuki; Kohagura Junko; Ezumi Naomichi; Ka...
    AIP ADVANCES/14(12), 2024-12-01
  • DEVELOPMENT OF MW GYROTRONS WITH COLLABORATION RESEARCH FOR PLASMA HEATING IN FUSION EXPERIMENTAL DEVICES
    KARIYA Tsuyoshi; R.Minami; IMAI T.; NUMAKURA T.; YONED...
    28th IAEA Fusion Energy Conference (FEC 2020)/p.IAEA-CN-316-1671, 2023-10
  • EFFECT OF HIGHER PARTICLE FLUX ON DETACHED SIMULATION PLASMA IN THE GAMMA 10/PDX DIVERTOR SIMULATION EXPERIMENTAL MODULE
    YOSHIKAWA Masayuki; Kohagura J.; Ezumi N.; Kariya T.; ...
    Proc. 29th IAEA Fusion Energy Conference (FEC2023)/p.IAEA-CN-316/1674 27901, 2023-10
  • Hydrogen recycling near fuzz tungsten surfaces under high-vacuum background condition
    Hwangbo D.; Sugiyama T.; Sakamoto M.; Gamo H.; Kondo A.; ...
    25th International Conference on Plasma Surface Interaction in Fusion Devices (PSI-25), 2022-6-13
  • Development of 28/35 GHz Dual-Frequency and 14 GHz Gyrotrons for Advanced Fusion Devices
    Kariya Tsuyoshi; R.MInami; T.Imai; Numakura T.; Endo Y.; Sa...
    28th IAEA Fusion Energy Conference (FEC 2020), 2021-05
  • Study of detached plasma profile in the divertor simulation experimental module of GAMMA 10/PDX
    Yoshikawa Masayuki; Kohagura J.; Ezumi N.; Iijima T.; Nak...
    Proc. 28th IAEA Fusion Energy Conference (FEC2020)/p.17678, 2021-05
  • Study of detached plasma profile in the divertor simulation experimental module of tandem mirror GAMMA 10/PDX
    Yoshikawa Masayuki; Kohagura J.; Ezumi N.; Iijima T.; Nak...
    AIP Advances/11(12)/pp.125231-1-125231-6, 2021-12
  • Generation and Measurement of High Intermittent Heat Flux in GAMMA 10/PDX
    Minami Ryutaro; KARIYA Tsuyoshi; IMAI Tsuyoshi; NUMAKURA ...
    Plasma and Fusion Research/14, 2019-02
    CiNii Tsukuba Repository
  • Development of High Power Gyrotrons for Advanced Fusion Devices and DEMO
    Kariya Tsuyoshi; Minami R.; Imai T.; Numakura T.; M. OKAD...
    The 27th IAEA FUSION ENERGY CONFERENCE (FEC-2018), 2018-10
  • Code Development for Calculating Electron Beams in the Cavities of the Future High-Power Gyrotrons
    NUMAKURA Tomoharu; KARIYA Tsuyoshi; MINAMI Ryutaro; OKADA Ma...
    Plasma and Fusion Research/14, 2019
    CiNii Tsukuba Repository
  • Development of over-MW gyrotrons for fusion at 14 GHz to sub-THz frequencies
    假家 強; Tsuyoshi Imai; Ryutaro MInami; K. Sakamoto Y. Oda ...
    Nuclear Fusion/57, 2017-04
  • Performance Test of Double-Disk Type Output Window of 28/35 GHz Dual-Frequency Gyrotron for CW Operation
    Okada Maki; kariya Tsuyoshi; Imai Tsuyoshi; Minami Ryuta...
    Plasma and Fusion Research/14, 2019-02
    CiNii Tsukuba Repository
  • Development of high power gyrotrons for advanced fusion devices
    Kariya T.; Minami R.; Imai T.; Okada M.; Motoyoshi F.; Nu...
    NUCLEAR FUSION/59(6), 2019-04
  • Synergistic effect of nitrogen and hydrogen seeding gases on plasma detachment in the GAMMA 10/PDX tandem mirror
    Ezumi N.; Iijima T.; Sakamoto M.; Nakashima Y.; Hirata M...
    NUCLEAR FUSION/59(6), 2019-06
  • Impact of additional plasma heating on detached plasma formation in divertor simulation experiments using the GAMMA 10/PDX tandem mirror
    Nakashima Y.; Islam M. S.; Iijima T.; Sakamoto M.; Ezumi ...
    NUCLEAR MATERIALS AND ENERGY/18/pp.216-221, 2019-01
  • Development of over-MW gyrotrons for fusion at 14 GHz to sub-THz frequencies
    Kariya T.; Imai T.; Minami R.; Sakamoto K.; Oda Y.; Ikeda...
    Nuclear Fusion/57, 2017-04
  • Numerical Calculation of the Gyrotron Oscillator in ECH Systems in GAMMA 10 by the use of Parallel Algorithms
    T. Numakura; T. Imai; T. Kariya; R. Minami; H. Nakabayashi; T....
    Transactions of Fusion Science and Technology/63(1T)/pp.295-297, 2013-05
  • Density Fluctuation Measurement for Studying the Effect of Potential and Electric Field Formation in GAMMA 10
    YOSHIKAWA Masayuki; MATSUMOTO Toshiaki; SHIMA Yoriko; MIYATA...
    Plasma and Fusion Research/2(0)/pp.48-48, 2007-01
    CiNii
  • Characterization and Interpretation of the Quantum Efficiencies of Multilayer Semiconductor Detectors Using a New Theory
    沼倉 友晴
    Journal of Synchrotron Radiation/5/p.877-879, 1998-01
  • Investigations of Electron Behavior in the GAMMA 10 Tandem Mirror on the Basis of X-Ray Analyses Using a Novel Theory on Semiconductor Detector Response
    沼倉 友晴
    Transactions of Fusion Technology/35/p.151-155, 1999-01
  • Effects of Neutrons on Semiconductor X-Ray Detectors Including n-Type Joint European Torus and p-Type GAMMA 10 Tomography Detectors
    沼倉 友晴
    Review of Scientific Instruments/70/p.577-580, 1999-01
  • Newly Developed Matrix-Type Semiconductor Detector for Temporally and Spatially Resolved X-Ray Analyses Ranging Down to a Few Tens eV Using a Single Plasma Shot
    沼倉 友晴
    Review of Scientific Instruments/70/p.633-636, 1999-01
  • Characterization of a Semiconductor Detector and Its Application for Ion Diagnostics Using a Novel Ion Energy Spectrometer
    沼倉 友晴
    Review of Scientific Instruments/70/p.857-860, 1999-01
  • A New Principle in Plasma Electron-Temperature Diagnostics Using a Semiconductor X-ray Detector
    沼倉 友晴
    Plasma Devices and Operations/7/p.85-92, 1999-01
  • Reduction of Radial Loss by Conducting Plates Installed in Anchor Regions of GAMMA 10
    沼倉 友晴
    Chinese Physics Letters/362/p.69-72, 1999-01
  • more...
Conference, etc.
  • Preliminary experiments on the electrode biasing system in Pilot GAMMA PDX-SC
    沼倉 友晴; 坂本瑞樹; 江角直道; 吉川 正志; 南龍太郎; 平田 真史; 小波蔵 純子; 中嶋 洋輔...
    プラズマ核融合学会第41回年会/2024-11-17--2024-11-20
  • Present Status of a Pilot GAMMA PDX-SC project
    Sakamoto Mizuki; Kariya T.; Yoshikawa M.; Ezumi N.; M...
    8th International Workshop on Plasma Material Interaction Facilities for Fusion Research (PMIF2023)/2023-10-30--2023-11-01
  • Contribution of Mirror Devices in Tsukuba to Fusion Energy Development
    Sakamoto Mizuki; Kariya T.; Yoshikawa. M.; Ezumi N.; ...
    2nd International Fusion and Plasma Conference & 13th International Conference on Open Magnetic Systems for Plasma Confinement (iFPC & OS2023)/2023-08-21--2023-08-25
  • Design, Construction and First Operation of Pilot GAMMA PDX-SC Superconducting Mirror Device
    Sakamoto Mizuki; Kariya Tsuyoshi; Yoshikawa Masayuki; ...
    29th IAEA Fusion Energy Conference (FEC 2023)/2023-10-16--2023-10-21
  • 大電力ECHによる間欠的熱負荷生成実験と Pilot GAMMA PDX-SCに向けたECHシステムの開発
    南 龍太郎; 假家 強; 沼倉 友晴; 米田 優; 岸 紘平; 山戸 教平; 江角 直道; 吉川 ...
    プラズマ核融合学会第40回年会/2023-11-27--2023-11-30
  • The electrode biasing system for vortex confinements in Pilot GAMMA PDX-SC
    沼倉 友晴; 坂本 瑞樹; 江角 直道; 吉川 正志; 南 龍太郎; 平田 真史; 小波藏 純子; ...
    プラズマ核融合学会第40回年会/2023-11-27--2023-11-30
  • Code Development for the Mode Interactions in Future High-Power Gyrotrons
    沼倉 友晴; 南 龍太郎; 米田 優; 今井　剛; 坂本 瑞樹
    プラズマ核融合学会第40回年会/2023-11-27--2023-11-30
  • EFFECT OF HIGHER PARTICLE FLUX ON DETACHED SIMULATION PLASMA IN THE GAMMA 10/PDX DIVERTOR SIMULATION EXPERIMENTAL MODULE
    Yoshikawa Masayuki; Kohagura J; Ezumi N.; 龍太郎(数理物質系) ...
    29th IAEA Fusion Energy Conference (FEC2023)/2023-10-16--2023-10-21
  • DEVELOPMENT OF MW GYROTRONS WITH COLLABORATION RESEARCH FOR PLASMA HEATING IN FUSION EXPERIMENTAL DEVICES
    Kariya Tsuyoshi; MINAMI R.; IMAI T.; NUMAKURA T.; YON...
    The 29th IAEA FUSION ENERGY CONFERENCE (FEC 2023)/2023-10-06--2023-10-21
  • RFビーム軌道調整による長パルスECHにおける高密度プラズマ・熱流束分布の最適化
    米田優; 假家強; 南龍太郎; 沼倉友晴; 岸紘平、山戸教平、嶋頼子、加藤駿人; 小波蔵純子; 吉川正志; 高梨宏...
    第40回 プラズマ核融合学会 年会/2023-11-27--2023-11-30
  • 超伝導ミラー装置Pilot GAMMA PDX-SC実験の進展
    坂本 瑞樹; 假家 強; 吉川 正志; 江角 直道; 南 龍太郎; 平田 真史; 小波蔵 純子; 沼...
    The 40th JSPF annual meeting/2023-11-27--2023-11-30
  • Preliminary experiment and research plan of Pilot GAMMA PDX-SC project
    坂本 瑞樹; 假家強; 吉川正志; 江角直道; 南龍太郎; 平田真史; 小波藏 純子; 沼倉友晴; 東郷訓; 皇甫度均; 杉山昭彦...
    第39回プラズマ・核融合学会年会/2022-11-22--2022-11-25
  • Code Development for the Starting Currents and Overmoded Interactions in Future High-Power Gyrotrons
    沼倉 友晴; 假家　強; 南龍太郎; 米田優; 今井　剛; 坂本瑞樹
    第39回プラズマ・核融合学会年会/2022-11-22--2022-11-25
  • 金属表面の水素リサイクリングにおける背景ガス圧力と表面構造の影響
    皇甫 度均; 西島 大輔; 重松 直希; Patino M.; 高梨 宏介; 岡本 拓馬; 高橋 理志; 河野 ...
    第39回プラズマ・核融合学会 年会/2022-11-22--2022-11-25
  • Hydrogen recycling near fuzz tungsten surfaces under high-vacuum background condition
    Hwangbo Dogyun; Sugiyama T.; Sakamoto M.; Gamo H.; Kondo ...
    25th International Conference on Plasma Surface Interaction in Controlled Fusion Devices (PSI-25)/2022-06-13--2022-06-17
  • 大電力ECHによる間欠的熱負荷生成実験とパイロット装置に向けたECHシステムの検討
    南 龍太郎; 假家 強; 沼倉 友晴; 米田 優; 金田 ことの; 遠藤 洋一; 今井 剛; 坂本 瑞樹
    第39回プラズマ・核融合学会年会/2022-11-22--2022-11-25
  • 原型炉ダイバータ開発研究に向けた長パルスECHによる高密度プラズマの生成
    米田優; 假家強; 南龍太郎; 沼倉友晴; 重松直希、嶋頼子、加藤駿人、高橋圭介; 小波蔵純子; 吉川正志; 岡本拓馬、河原大翔...
    第39回 プラズマ・核融合学会 年会/2022-11-22--2022-11-25
  • 筑波大学におけるジャイロトロン開発の現状
    假家 強; 出射浩、恩地拓己、吉村泰夫; 南龍太郎; 沼倉友晴; 米田優; 坂本瑞樹
    第39回 プラズマ・核融合学会 年会/2022-11-22--2022-11-25
  • Recent results of GAMMA 10/PDX and construction of a superconducting mirror machine
    Sakamoto Mizuki; Kariya Tsuyoshi; Yoshikawa Masayuki; Ezu...
    3rd International Workshop on Gas Dynamic Trap based Fusion Neutron Source (GDT-FNS)/2021-09-13--2021-09-14
  • Present status of GAMMA 10/PDX and a new project of a superconducting mirror machine
    Sakamoto Mizuki; Kariya Tsuyoshi; Yoshikawa Masayuki; Ezu...
    International Mini-Workshop on Open Magnetic Systems for Plasma Confinement (OS2021)/2021-08-24--2021-08-25
  • Code Development for Future High-Power Gyrotrons
    沼倉 友晴; 假家強; 南龍太郎; 北爪裕生; 小野澤一樹; 米田優; 今井剛; 坂本瑞樹
    第38回プラズマ・核融合学会年会/2021-11-22--2021-11-25
  • GAMMA 10/PDXにおける⼤電⼒ECHによる間⽋的⾼熱負荷⽣成実験
    南 龍太郎; 假家強; 沼倉友晴; 北爪裕生; 小野澤一樹; 米田優; 遠藤洋一; 今井剛; 坂本瑞樹
    第38回プラズマ・核融合学会年会/2021-11-22--2021-11-25
  • LHDにおけるECH用154GHz/116GHz 2周波数ジャイロトロンの初期性能試験
    假家 強; 伊藤哲 吉村泰夫; 南龍太郎; 沼倉友晴; 今井剛; 坂本瑞樹; 久保伸 下妻隆
    第38回 プラズマ・核融合学会 年会/2021-11-22--2021-11-25
  • GAMMA 10/PDXにおけるメガワット級ECHによる間欠的熱負荷生成実験
    南 龍太郎; 假家強; 沼倉友晴; 北爪裕生; 大島伸也; イジョンミン; 遠藤洋一; 今井剛; 坂本瑞樹
    第37回 プラズマ・核融合学会 年会/2020-12-01--2020-12-04
  • GAMMA10セントラル部新型ECHアンテナの特性評価とマイクロ波解析
    北爪裕生; 南 龍太郎; 假家強; 沼倉友晴; 今井剛; 大島伸也; 江角直道; 坂本瑞樹
    第37回 プラズマ・核融合学会 年会/2020-12-01--2020-12-04
  • more...
Teaching
2024-04 -- 2024-08Advanced Research on Plasmas IBUniversity of Tsukuba.
2024-10 -- 2025-02Seminar on Plasma Physics BUniversity of Tsukuba.
2024-04 -- 2024-08Advanced Research on Plasmas IVBUniversity of Tsukuba.
2024-10 -- 2025-02Advanced Research on Plasmas IIAUniversity of Tsukuba.
2024-04 -- 2024-08Collaborative Research in Physics IVUniversity of Tsukuba.
2024-10 -- 2025-02Collaborative Research in Physics IVUniversity of Tsukuba.
2024-10 -- 2025-02Collaborative Research in Physics IIIUniversity of Tsukuba.
2024-04 -- 2024-08Collaborative Research in Physics IIIUniversity of Tsukuba.
2024-04 -- 2024-08Advanced Research on Plasmas IIBUniversity of Tsukuba.
2024-04 -- 2024-08Advanced Research on Plasmas IIIBUniversity of Tsukuba.
more...

(Last updated: 2025-05-12)