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2010 Fiscal Year Annual Research Report

乱流プラズマの動的応答と動的輸送の研究 総合研究

Research Project

Project/Area Number 21224014
Research InstitutionKyushu University

Principal Investigator

伊藤 早苗  九州大学, 応用力学研究所, 教授 (70127611)

Co-Investigator(Kenkyū-buntansha) 矢木 雅敏  九州大学, 応用力学研究所, 教授 (70274537)
藤澤 彰英  九州大学, 応用力学研究所, 教授 (60222262)
稲垣 滋  九州大学, 応用力学研究所, 准教授 (60300729)
伊藤 公孝  核融合科学研究所, ヘリカル研究部, 教授 (50176327)
居田 克巳  核融合科学研究所, ヘリカル研究部, 教授 (00184599)
Keywordsプラズマ / 乱流 / 構造形成 / 動的応答 / 動的輸送
Research Abstract

今年度も、研究目的達成に大きく寄与する成果を上げた。乱流プラズマの輸送を研究する上で鍵を握るテーマが、長い相関長を持つ揺動の存在とその効果の研究である。プラズマ半径と同程度の相関長の長距離相関(マクロ)揺動を発見した。このマクロ揺動はミクロ揺動と非線形結合している事を見いだした。この発見は、本研究で創案されたCorrelation Hunting法(異種計測間で相関を取りそれを解析する方法)をLHDヘリカル装置のプラズマの揺動に適用したことによって実現したものである。学問的成果の発信についても、プラズマ乱流の非線形統計理論を体系的に記述する双書としてPhysical Kinetics of Turbulent PlasmasをCambridge University Pressから刊行した。プラズマ乱流研究に時代を画する成果だと考えられる。
理論・シミュレーション・実験の研究方法の連携を通じこれらの統合的成果を挙げた。個別の研究成果としては、理論:多スケール乱流の時空構造についての統計理論、特にドリフト波とメゾスケール揺動が共存する系の非線形変分原理を進展させた。シミュレーション:トーラスプラズマの乱流実験をシミュレートするための数値計測トーラスを進展させた。またブロッブ型乱流による輸送スケーリングをまとめ、壁に近いスクレイプオフと呼ばれる領域の乱流輸送モデルを構成した。実験:動的輸送現象を解析するためのwavelet解析やconditional averaging法といった解析法を提示し、実験解析の先駆性を実証した。ドリフト波孤立波状揺動に対して適用し、揺動振幅や揺動間の非線形結合度の時間発展を観測した。これらの結果を冒頭の発見と統合する事によって今後進展を図る基盤が形成出来た。

  • Research Products

    (58 results)

All 2011 2010 Other

All Journal Article (25 results) (of which Peer Reviewed: 24 results) Presentation (31 results) Book (1 results) Remarks (1 results)

  • [Journal Article] A mini-max principle for drift waves and mesoscale fluctuations2011

    • Author(s)
      S-I.Itoh, et al
    • Journal Title

      Plasma Phys.Control.Fusion

      Volume: 53 Pages: 015008-1-015008-8

    • Peer Reviewed
  • [Journal Article] On Detection of a Global Mode Structure in Experiments by Use of Turbulence Diagnostic Simulator2011

    • Author(s)
      N.Kasuya, et al
    • Journal Title

      Plasma and Fusion Research

      Volume: 6 Pages: 1403002-1-1403002-5

    • Peer Reviewed
  • [Journal Article] Development of radially movable multi-channel Reynolds stress probe system for a cylindrical laboratory plasma2011

    • Author(s)
      Y.Nagashima, et al
    • Journal Title

      Rev.Sci.Instrum

      Volume: 82 Pages: 033503-1-033503-5

    • Peer Reviewed
  • [Journal Article] Interchange Turbulence and Radial Transport in Tokamak Scrape-off Layer Dominated by Meso-scale Structure2010

    • Author(s)
      S.Sugita, et al
    • Journal Title

      J.Phys.Soc.Jpn.

      Volume: 79 Pages: 044502-1-044502-8

    • Peer Reviewed
  • [Journal Article] Internal Transport Barrier Formation Induced by Edge Perturbation on LHD2010

    • Author(s)
      S.Inagaki, et al
    • Journal Title

      Nucl.Fusion

      Volume: 50 Pages: 064012-1-064012-5

    • Peer Reviewed
  • [Journal Article] Microinstabilities, Turbulent Transport, and Structure Formation in Helical Plasmas2010

    • Author(s)
      K.Itoh
    • Journal Title

      Fusion Engineering Design

      Volume: (In press)

    • Peer Reviewed
  • [Journal Article] Locking of magnetic island rotation by static error field2010

    • Author(s)
      S.Nishimura, et al
    • Journal Title

      Nucl.Fusion

      Volume: 50 Pages: 054007-1-054007-12

    • Peer Reviewed
  • [Journal Article] Summary of IAEA Technical Meeting on Plasma Instabilities2010

    • Author(s)
      K.Itoh
    • Journal Title

      Nucl.Fusion

      Volume: 50 Pages: 054001-1-054001-13

    • Peer Reviewed
  • [Journal Article] Selective Formation of Streamer in Magnetized Cylindrical Plasmas2010

    • Author(s)
      N.Kasuya, et al
    • Journal Title

      Nucl.Fusion

      Volume: 50 Pages: 054003-1-054003-8

    • Peer Reviewed
  • [Journal Article] Two-dimensional bi-spectral analysis of drift wave turbulence in a cylindrical plasma2010

    • Author(s)
      T.Yamada, et al
    • Journal Title

      Phys.Plasmas

      Volume: 17 Pages: 052313-1-052313-10

    • Peer Reviewed
  • [Journal Article] Bi-spectral analysis of density and potential flucutuations in a high neutral density cylindrical plasma2010

    • Author(s)
      T.Kobayashi, et al
    • Journal Title

      Plasma and Fusion Research Special Issue

      Volume: 5 Pages: S2047-1-S2047-4

    • Peer Reviewed
  • [Journal Article] Turbulence Diagnostic Simulator for Analyzing Structural Formation in Magnetically Confined Plasmas2010

    • Author(s)
      N.Kasuya, et al
    • Journal Title

      J.Plasma Fusion Res.Series

      Volume: 9 Pages: 523-528

    • Peer Reviewed
  • [Journal Article] Numerical Diagnostics of Electrostatic Potential Perturbed by Magnetic Island2010

    • Author(s)
      S.Nishimura, et al
    • Journal Title

      Plasma and Fusion Research Special Issue

      Volume: 5 Pages: S2057-1-S2057-4

    • Peer Reviewed
  • [Journal Article] On Distance of Turblent Plasma from Thermal Equilibrium2010

    • Author(s)
      S-I.Itoh, et al
    • Journal Title

      J.Phys.Soc.Jpn.

      Volume: 79 Pages: 124501-1-124501-5

    • Peer Reviewed
  • [Journal Article] Characterization of bifurcation induced by long distance correlation between heat flux and temperature gradient in toroidal plasmas2010

    • Author(s)
      S Inagaki, et al
    • Journal Title

      Plasma Phys.Control.Fusion

      Volume: 52 Pages: 075002-1-075002-8

    • Peer Reviewed
  • [Journal Article] Observation of edge Reynolds stress increase preceding an L-H transition in Compact Helical System2010

    • Author(s)
      Y.Nagashima, et al
    • Journal Title

      Plasma and Fusion Research : Rapid Comunications

      Volume: 5 Pages: 022-1-022-3

    • Peer Reviewed
  • [Journal Article] Nonlinear mode couplings in a cylindrical magnetized plasma2010

    • Author(s)
      T.Yamada, et al
    • Journal Title

      Plasma and Fusion Research Special Issue

      Volume: 5 Pages: S2016-1-S2016-4

    • Peer Reviewed
  • [Journal Article] Study of Amplitude Correlation Technique in a Cylindrical Magnetized Plasma2010

    • Author(s)
      T.Yamada, et al
    • Journal Title

      J.Phys.Soc.Jpn.

      Volume: 79 Pages: 085001-1-085001-2

    • Peer Reviewed
  • [Journal Article] Observation of Quasi-Two-Dimensional Nonlinear Interaction in a Drift-Wave Streamer2010

    • Author(s)
      T.Yamada, et al
    • Journal Title

      Phys.Rev.Lett.

      Volume: 105 Pages: 225002-1-225002-4

    • Peer Reviewed
  • [Journal Article] Bifurcation of the plasma turbulence on LMD-U2010

    • Author(s)
      H.Arakawa, et al
    • Journal Title

      Plasma Physics and Controlled Fusion

      Volume: 52 Pages: 105009-1-105009-12

    • Peer Reviewed
  • [Journal Article] Forced Magnetic Reconnection in Helical Plasmas2010

    • Author(s)
      S.Nishimura, et al
    • Journal Title

      Plasma and Fusion Research : Rapid Communications

      Volume: 5 Pages: 040-1-040-3

    • Peer Reviewed
  • [Journal Article] ECRH Superposition on Linear Cylindrical Helicon Plasma in LMD-U2010

    • Author(s)
      K.Kamataki, et al
    • Journal Title

      Plasma and Fusion Research Special Issue

      Volume: 5 Pages: S2046-1-S2046-4

    • Peer Reviewed
  • [Journal Article] A Review-Observation of Turbulence and Structure in Magnetized Plasmas2010

    • Author(s)
      A.Fujisawa
    • Journal Title

      Plasma and Fusion Res

      Volume: 5 Pages: 046-1-046-24

    • Peer Reviewed
  • [Journal Article] Wavelet analyses using parallel computing for plasma turbulence studies2010

    • Author(s)
      A.Fujisawa, et al
    • Journal Title

      Phys.Plasmas

      Volume: 17 Pages: 104503-1-104503-3

    • Peer Reviewed
  • [Journal Article] 乱流プラズマ-構造形成、選択則、動的応答と動的輸送-2010

    • Author(s)
      伊藤早苗
    • Journal Title

      J.Plasma Fusion Res.

      Volume: 86 Pages: 334-370

  • [Presentation] Selection rules of radial propagation of the geodesic acoustic modes2011

    • Author(s)
      M.Sasaki, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-26
  • [Presentation] Nonlinear evolution of solitary wave in LMD-U2011

    • Author(s)
      H.Arakawa, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Measurement of electron temperature fluctuations using triple probemethod on Plasma Assembly for Nonlinear Turbulence Analysis (PANTA)2011

    • Author(s)
      K.Kawashima, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Observation of nonlinear couplings on spectral transition regime in LMD-U2011

    • Author(s)
      T.Kobayashi, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Status of plasma turbulence research in PANTA device2011

    • Author(s)
      S.Inagaki, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Experimental study of drift wave-streamer system in linear magnetized plasmas2011

    • Author(s)
      T.Yamada, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Study of turbulence in a magnetized plasma column using fast imaging2011

    • Author(s)
      S.Oldenbuerger, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Method of detecting the global mode structure by using turbulence diagnostic simulator2011

    • Author(s)
      N.Kasuya, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Simulation study of nonlocal radial transport due to plasma blob in scrape of layer2011

    • Author(s)
      S.Sugita, et.al.
    • Organizer
      66^<th> Annual Meeting of the Physical Society of Japan
    • Place of Presentation
      Niigata Univ., Niigata, Japan
    • Year and Date
      2011-03-25
  • [Presentation] Turbulence imaging and investigation of nonlinear couplings in a linear magnetized plasma2010

    • Author(s)
      S.Oldenbuerger, et.al.
    • Organizer
      14^<th> Assembly of Kyushu-Okinawa-Yamaguchi Branch, Japan Society of Plasma Science and Fusion Research
    • Place of Presentation
      Kyushu Univ., Fukuoka, Japan
    • Year and Date
      2010-12-18
  • [Presentation] Measurement of ion flow velocity by Mach probe in PANTA2010

    • Author(s)
      K.Uriu, et.al.
    • Organizer
      14^<th> Assembly of Kyushu-Okinawa-Yamaguchi Branch, Japan Society of Plasma Science and Fusion Research
    • Place of Presentation
      Kyushu Univ., Fukuoka, Japan
    • Year and Date
      2010-12-18
  • [Presentation] Evaluation of electron temperature fluctuation using two different probe techniques in plasma assembly for nonlinear turbulence analysis (PANTA)2010

    • Author(s)
      K.Kawashima, et.al.
    • Organizer
      20^<th> International Toki Conference
    • Place of Presentation
      Ceratopia Toki
    • Year and Date
      2010-12-07
  • [Presentation] Observation of Nonlinear Coupling between Low Frequency Coherent Modes and Background Turbulence in LMD-U2010

    • Author(s)
      T.Kobayashi, et.al.
    • Organizer
      20^<th> International Toki Conference
    • Place of Presentation
      Ceratopia Toki
    • Year and Date
      2010-12-07
  • [Presentation] Characteristics of bulk ion heating by geodesic acoustic modes2010

    • Author(s)
      M.Sasaki, et.al.
    • Organizer
      20^<th> International Toki Conference
    • Place of Presentation
      Ceratopia Toki
    • Year and Date
      2010-12-07
  • [Presentation] Turbulence Diagnostic Simulator-development of numerical tools for turbulence analyses in helical plasmas2010

    • Author(s)
      N.Kasuya, et.al.
    • Organizer
      20^<th> International Toki Conference
    • Place of Presentation
      Ceratopia Toki
    • Year and Date
      2010-12-07
  • [Presentation] Dynamics of low frequency zonal flow driven by geodesic acoustic modes2010

    • Author(s)
      M.Sasaki, et.al.
    • Organizer
      23^<rd> International Atomic Energy Agency Fusion Energy Conference
    • Place of Presentation
      Daejon, Korea
    • Year and Date
      2010-10-15
  • [Presentation] Radial Structure of Fluctuation in Electron ITB Plasmas of LHD2010

    • Author(s)
      S.Inagaki, et.al.
    • Organizer
      23^<rd> International Atomic Energy Agency Fusion Energy Conference
    • Place of Presentation
      Daejon, Korea
    • Year and Date
      2010-10-15
  • [Presentation] Equilibrium Flow Shear and Magnetic Shear Effect on Zonal Flow2010

    • Author(s)
      S.Tokunaga, et.al.
    • Organizer
      23^<rd> International Atomic Energy Agency Fusion Energy Conference
    • Place of Presentation
      Daejon, Korea
    • Year and Date
      2010-10-14
  • [Presentation] Development of Turbulence Diagnostics on Three-Dimensional Fields Obtained by Numerical Simulations in Magnetically Confined Plasmas2010

    • Author(s)
      N.Kasuya, et.al.
    • Organizer
      23^<rd> International Atomic Energy Agency Fusion Energy Conference
    • Place of Presentation
      Daejon, Korea
    • Year and Date
      2010-10-14
  • [Presentation] Study of Radial Particle Transport Accompanied with Plasma Blob and Self-organized Meso-scale Structure in Tokamak Scrape-off Layer2010

    • Author(s)
      S.Sugita, et.al.
    • Organizer
      23^<rd> International Atomic Energy Agency Fusion Energy Conference
    • Place of Presentation
      Daejon, Korea
    • Year and Date
      2010-10-12
  • [Presentation] Statistical characteristics of particle flux during the spectrum transition in LMD-U2010

    • Author(s)
      S.Inagaki, et.al.
    • Organizer
      Autumn Meeting of the Physical Society of Japan
    • Place of Presentation
      Oosaka Prefecture Univ., Oosaka, Japan
    • Year and Date
      2010-09-25
  • [Presentation] Background ion heating by geodesic acoustic modes driven by energetic particles2010

    • Author(s)
      M.Sasaki, et.al.
    • Organizer
      Autumn Meeting of the Physical Society of Japan
    • Place of Presentation
      Oosaka Prefecture Univ., Oosaka, Japan
    • Year and Date
      2010-09-25
  • [Presentation] Simulation of drift wave turbulence in cylindrical plasmas (relationship between density profiles and excited modes)2010

    • Author(s)
      N.Kasuya, et.al.
    • Organizer
      Autumn Meeting of the Physical Society of Japan
    • Place of Presentation
      Oosaka Prefecture Univ., Oosaka, Japan
    • Year and Date
      2010-09-25
  • [Presentation] Dependence of non-linear coupling of density fluctuation on magnetic field strength in LMD-U2010

    • Author(s)
      T.Kobayashi, et.al.
    • Organizer
      Autumn Meeting of the Physical Society of Japan
    • Place of Presentation
      Oosaka Prefecture Univ., Oosaka, Japan
    • Year and Date
      2010-09-24
  • [Presentation] Numerical Measurement Using Turbulence Diagnostic Simulator2010

    • Author(s)
      N.Kasuya, et.al.
    • Organizer
      4^<th> Simulation Science Symposium
    • Place of Presentation
      Toki, Gifu, Japan
    • Year and Date
      2010-09-14
  • [Presentation] Study on Nonlinear Coupling of Low Frequency Density Fluctuation in LMD-U2010

    • Author(s)
      T.Kobayashi, et.al.
    • Organizer
      2010 Frontier Conference of Plasma Science
    • Place of Presentation
      NIFS, Toki, Japan
    • Year and Date
      2010-09-02
  • [Presentation] Turbulence Diagnostics on 3-D Fields Obtained by Numerical Simulations in Magnetically Confined Plasmas2010

    • Author(s)
      N.Kasuya, et.al.
    • Organizer
      CPU seminar : Modeling of Theory and Simulation of Fusion Plasmas
    • Place of Presentation
      Beijing, China
    • Year and Date
      2010-08-30
  • [Presentation] Contrastive gyro-fluid simulation study of ITB formation2010

    • Author(s)
      S.Tokunaga, et.al.
    • Organizer
      5^<th> Japan-Korea Workshop on Theory and Simulation of Magnetic Fusion Plasmas
    • Place of Presentation
      Postech, Pohang, Korea
    • Year and Date
      2010-07-29
  • [Presentation] Spatio-temporal evolutions of different phase velocities on LMD-U2010

    • Author(s)
      H.Arakawa, et.al.
    • Organizer
      European Physical Society 37^<th> Conference
    • Place of Presentation
      Dublin, Ireland
    • Year and Date
      2010-06-23
  • [Presentation] 3D Turbulence Simulations of the Impact of Plasma Rotation on Stiffness Level2010

    • Author(s)
      S.Sugita, et.al.
    • Organizer
      European Physical Society 37^<th> Conference
    • Place of Presentation
      Dublin, Ireland
    • Year and Date
      2010-06-21
  • [Presentation] Turbulence diagnostics using three-dimensional simulation data in toroidal plasmas2010

    • Author(s)
      N.Kasuya, et.al.
    • Organizer
      8^<th> Joint Conference on Fusion Energy
    • Place of Presentation
      Takayama, Gifu, Japan
    • Year and Date
      2010-06-10
  • [Book] Modern Plasma Physics2010

    • Author(s)
      R.H.Diamond, S.-I.Itoh, K.Itoh
    • Total Pages
      417
    • Publisher
      Cambridge university press
  • [Remarks]

    • URL

      http://tokusui.riam.kyushu-u.ac.jp/S/home.html

URL: 

Published: 2013-06-26  

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