NUMAKURA Tomoharu

Researcher's full information

Articles
  • 30pA10P A Novel Method for Simultaneous Measurements of Temporally and Spatially Resolved Ion and Electron Temperatures Using Semiconductor Detectors in a Single Plasma Shot Alone
    沼倉 友晴; 長 照二; 平田 真史; 小波蔵 純子; 南 龍太郎; 渡辺 裕之; 吉田 麻衣子; 永嶋 賢史; ...
    プラズマ・核融合学会年会予稿集/0(18)/p.178, 2001-11
  • 30pA11P Simultaneous Observations of Temporally and Spatially Resolved Electron and Ion Behaviour in Relation to the Scaling oHhe Interchange Stability Boundary in GAMMA 10
    南 龍太郎; 長 照二; 小波蔵 純子; 平田 真史; 沼倉 友晴; 渡辺 裕之; 吉田 麻衣子; 永嶋 賢史; ...
    プラズマ・核融合学会年会予稿集/0(18)/p.179, 2001-11
  • 27aB03P A Novel Method for Simultaneous Measurements of Temporally and Spatially Resolved Ion and Electron Temperatures Using Semiconductor Detectors and the Effects of Thermal-Barrier Potentials on the Electron Energy Confinement
    沼倉 友晴; 長 照二; 平田 真史; 小波蔵 純子; 南 龍太郎; 渡辺 裕之; 吉田 麻衣子; 伊藤 浩一; ...
    プラズマ・核融合学会年会予稿集/0(19)/p.104, 2002-11
  • 27aB04P Observations of the Relations of Spatially Resolved Electron Cyclotron Heated Plasmas with Electron Confining Potentials Using Novel Matrix-Type X-ray Semiconductor-Detector Arrays in the GAMMA 10 Tandem Mirror
    南 龍太郎; 長 照二; 小波蔵 純子; 平田 真史; 沼倉 友晴; 渡辺 裕之; 横山 昇; 吉田 麻衣子; 伊...
    プラズマ・核融合学会年会予稿集/0(19)/p.105, 2002-11
  • 27aB07P Development of a Novel Electrostatic Ion-and Electron-Current-Detector by the use of a Proposed "Self-Collection" Method for Secondary Electron Emission from a Metal Collector
    平田 真史; 長 照二; 小波蔵 純子; 吉田 麻衣子; 伊藤 浩一; 時岡 優; 沼倉 友晴; 南 龍太郎; 渡...
    プラズマ・核融合学会年会予稿集/0(19)/p.106, 2002-11
  • 29aB05 Extended Consolidation of Scaling Laws of Potential Formation and Its Effects Covering Over the Representative Tandem-Mirror Operations in GAMMA 10 and the Extended Future Prospects
    長 照二; 小波蔵 純子; 檜垣 浩之; 平田 真史; 北條 仁士; 市村 真; 石井 亀男; 板倉 昭慶; 片沼...
    プラズマ・核融合学会年会予稿集/0(19)/p.196, 2002-11
  • 28pB02 Consolidated Theory and Data on the Basis of Scaling Laws of Potential Formation and Potential Effects, and the Etended Future Prospects
    長 照二; 檜垣 浩之; 平田 真史; 北條 仁士; 市村 真; 石井 亀男; イスラム K.; 板倉 昭慶; 片...
    プラズマ・核融合学会年会予稿集/0(20)/p.269, 2003-11
  • 01aB01 Ring-Shaped Laminar-Flow Sheet Formation and Injection into the GAMMA 10 Plasmas with Confinement Improvement
    小波蔵 純子; 長 照二; 平田 真史; 檜垣 浩之; 北條 仁士; 市村 真; 石井 亀男; イスラム M. ...
    プラズマ・核融合学会年会予稿集/0(22)/p.178, 2005-11
  • 30aC14P Characteristics of high power 28GHz eryrotron for ECRH on GAMMA 10
    鎌田 康宏; 今井 剛; 斉藤 輝雄; 立松 芳典; 渡辺 理; 坂本 慶司; 南 龍太郎; 假家 強; 満仲 ...
    プラズマ・核融合学会年会予稿集/0(22)/p.148, 2005-11
  • Sheared Radial Electric-Field Effects on Turbulence Suppression due to Doubly Advanced Potential-Height Formation
    長 照二; 吉田 麻衣子; 檜垣 浩之; 平田 真史; 北條 仁士; 市村 真; 石井 亀男; ISLAM Md...
    Journal of plasma and fusion research/80(2)/pp.81-82, 2004-02
  • 25pA01 High Power Electron Heating Experiment at the Plug Region of GAMMA 10
    斉藤 輝雄; 石井 亀男; 板倉 昭慶; 市村 真; ISLAM Khairul Md.; 片沼 伊佐夫; 小波蔵...
    プラズマ・核融合学会年会予稿集/0(21)/p.180, 2004-11
  • 25pB23P Study of the Effects of Plasma-Confining Potentials Analyzed from End-Loss Current and Central-Cell Soft X-ray Data
    平田 真史; 長 照二; 小波蔵 純子; 沼倉 友晴; 時岡 優; 横山 昇; 深井 隆行; 三宅 泰宏; 富井 ...
    プラズマ・核融合学会年会予稿集/0(21)/p.220, 2004-11
  • 25pB24P Evaluation of Plasma Potential Confinement based on X-ray Diagnostics during Strong Electron Cyclotron Resonace Heatings
    深井 隆行; 小波蔵 純子; 長 照二; 平田 真史; 沼倉 友晴; 横山 昇; 富井 大和; 木南 瀬里奈; 時...
    プラズマ・核融合学会年会予稿集/0(21)/p.221, 2004-11
  • 25pB25P Development of a Novel Detector for Simultaneous Measurements of Ion and Electron Currents
    三宅 泰宏; 平田 真史; 長 照二; 小波蔵 純子; 沼倉 友晴; 時岡 優; 清水 清昭; 深井 隆行; 横山...
    プラズマ・核融合学会年会予稿集/0(21)/p.221, 2004-11
  • 25pB26P Development of a Compact Ion-Current Absolute-Value Detector and its Application of End-Loss-Current Measurements
    時岡 優; 平田 真史; 長 照二; 小波蔵 純子; 沼倉 友晴; 三宅 泰宏; 清水 清昭; 深井 隆行; 横山...
    プラズマ・核融合学会年会予稿集/0(21)/p.222, 2004-11
  • 26aA02P The study of the distribution function of the electrons during strong electron cyclotron heating by the use of Ultra-Low-Energy-Measurable pure Ge detector
    富井 大和; 小波蔵 純子; 長 照二; 平田 真史; 沼倉 友晴; 深井 隆行; 横山 昇; 木南 瀬里奈; 時...
    プラズマ・核融合学会年会予稿集/0(21)/p.233, 2004-11
  • 26aA03P Study of the Effects of Plasma Confining Potentials by the Use of X-ray Diagnostics
    横山 昇; 小波蔵 純子; 長 照二; 平田 真史; 沼倉 友晴; 深井 隆行; 富井 大和; 木南 瀬里奈; 時...
    プラズマ・核融合学会年会予稿集/0(21)/p.234, 2004-11
  • High Power Electron Heating Experiments at the Plug Region of GAMMA 10
    斉藤 輝雄; 石井 亀男; 板倉 昭慶; 市村 真; ISLAM Md. Khairul; 片沼 伊佐夫; 小波蔵 純子; 立松...
    Journal of plasma and fusion research/81(4)/pp.288-295, 2005-04
  • High-power ECRH experiments in the GAMMA 10 tandem mirror
    Tatematsu Y.; Cho T.; Higaki H.; Hirata M.; Hojo H.; Ichi...
    JOURNAL OF THE KOREAN PHYSICAL SOCIETY/49(Suppl. 1)/pp.0-0, 2006-12
  • A novel position-sensitive ion-current detector array using a self-collection method for secondary-electron suppression
    Hirata M.; Miyake Y.; Shimizu K.; Cho T.; Numakura T.; It...
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT/573(1-2)/pp.34-37, 2007-04
  • Measurements of the relaxation of ion anisotropic distribution functions in tandem-mirror plasmas
    沼倉 友晴; Cho T; Kohagura J; Hirata M; Fukai T; Yokoyama N; Tomii ...
    REVIEW OF SCIENTIFIC INSTRUMENTS/75(10:Part 2)/pp.3616-3618, 2004-10
  • Observation of the effects of radially sheared electric fields on the suppression of turbulent vortex structures and the associated transverse loss in GAMMA 10
    Cho T; Yoshida M; Kohagura J; Hirata M; Numakura T; Higak...
    PHYSICAL REVIEW LETTERS/94(8)/pp.0-0, 2005-03
  • Progress in potential formation and findings in the associated radially sheared electric-field effects on suppressing intermittent turbulent vortex-like fluctuations and reducing transverse losses
    Cho T; Kohagura J; Hirata M; Numakura T; Higaki H; Hojo H; Ichi...
    NUCLEAR FUSION/45(12)/pp.1650-1657, 2005-12
  • Observation and control of transverse energy-transport barrier due to the formation of an energetic-electron layer with sheared E x B flow
    Cho T.; Kohagura J.; Numakura T.; Hirata M.; Higaki H.; H...
    PHYSICAL REVIEW LETTERS/97(5)/pp.0-0, 2006-08
  • ICRF experiments and potential formation on the GAMMA 10 tandem mirror
    Ichimura M.; Cho T.; Higaki H.; Hirata M.; Hojo H.; Imai ...
    PLASMA SCIENCE & TECHNOLOGY/8(1)/pp.87-90, 2006-01
  • more...