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New Electromagnetic Measurement Using High-Temperature Superconducting Coil

Research Project

Project/Area Number 14208054
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Nuclear fusion studies
Research InstitutionNational Institute for Fusion Science

Principal Investigator

YAMAZAKI Kozo  National Institute for Fusion Science, Department of Large Helical Device, Professor, 大型ヘリカル研究部, 教授 (50115648)

Co-Investigator(Kenkyū-buntansha) YANAGI Nagato  National Institute for Fusion Science, Department of Large Helical Device, Professor, 大型ヘリカル研究部, 助教授 (70230258)
SAKAKIBARA Satoru  National Institute for Fusion Science, Department of Large Helical Device, Professor, 大型ヘリカル研究部, 助手 (90280594)
NARUSHIMA Yoshiro  National Institute for Fusion Science, Department of Large Helical Device, Professor, 大型ヘリカル研究部, 助手 (40332184)
MITO Toshiyuki  National Institute for Fusion Science, Department of Large Helical Device, Professor, 大型ヘリカル研究部, 教授 (10166069)
Project Period (FY) 2002 – 2004
Project Status Completed (Fiscal Year 2004)
Budget Amount *help
¥36,010,000 (Direct Cost: ¥27,700,000、Indirect Cost: ¥8,310,000)
Fiscal Year 2004: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
Fiscal Year 2003: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
Fiscal Year 2002: ¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
Keywordslong-time electromagnetic measurement / plasma diamagnetism / high-temperature superconductivity / magnetic fusion / helical device
Research Abstract

In order to realize safe and economic fusion reactors, steady-state plasma operation is required. In this case, rea-time measurement of plasma energy and the feedback control of magnetic configuration is important. For the real-time plasma energy measurement, conventional diamagnetic sensors has been used so far. To apply this to long-pulse operations, new ideas or R&D's are required.
For steady-state and real-time measurement of plasma energy there are several methods ; (1)conventional diamagnetic sensor, (2)the utilization of super-conducting coil system, and (3)novel method utilizing high-temperature superconducting sensor systems. Especially, we have been developing novel methods for helical confinement systems.
In the case of method (1),it is impossible to measure more than several tens of minutes due to the property of integral circuits. In case (2),it is not easy to measure the plasma energy because of noise from coil power supply and SCR, especially in the case of the normal conducting coil system
In this research, R&D of the measurement of the utilization of low-temperature superconducting coil in the Large Helical Device (LHD) has been carried out. The demonstration of the diamagnetic measurement method using the high-temperature superconducting sensor Bi2223 has been demonstrated. Moreover, as an extension of this Grand-In-Aid Research, a novel compact and spherical helical magnetic configuration has been explored.

Report

(4 results)
  • 2004 Annual Research Report   Final Research Report Summary
  • 2003 Annual Research Report
  • 2002 Annual Research Report
  • Research Products

    (22 results)

All 2006 2005 2004 Other

All Journal Article (9 results) Book (5 results) Publications (8 results)

  • [Journal Article] Simulation Modeling of Impurity Transport in Helical Fusion Plasmas2006

    • Author(s)
      K.Yamazaki, T.Amano, Yu.Igitkhanov, J.Garcia, et al.
    • Journal Title

      Journal of Plasma and Fusion Research SERIES Volume 7(in print)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Burning Plasma Simulation and System Assessment of Tokamak and Helical Reactors2006

    • Author(s)
      K.Yamazaki, Y.Higashiyama, T.Sawafuji, Y.Sakawa, H.Arimoto, T.Shoji, J.Garcia, J.Dies, Yu.Igitkhanov, T.J.Dolan
    • Journal Title

      Journal of Plasma and Fusion Research SERIES (to be published)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] A New Method for Measuring Plasma Energy Using Superconducting Helical Coils2006

    • Author(s)
      K.Hamamura, K.Yamazaki, H.Chikaraishi, S.Sakakibara, N.Yanagi, T.Shoji, T.Watari
    • Journal Title

      Journal of Plasma and Fusion Research SERIES (to be published)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Helical Fusion Power Plant Economics Studies2005

    • Author(s)
      T.J.Dolan, K.Yamazaki, A.Sagara
    • Journal Title

      Fusion Science and Technology Volume 47・Number 1

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Simulation Modeling of Impurity Transport in Helical Fusion Plasmas2005

    • Author(s)
      K.Yamazaki, T.Amano, Yu.Igitkhanov, J.Garcia, et al.
    • Journal Title

      Journal of Plasma and Fusion Research SERIES (in print)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Simulation Modeling of Impurity Transport in Helical Fusion Plasmas2005

    • Author(s)
      K.Yamazaki, T.Amano, Yu.Igitkhanov, J.Garcia, et al.
    • Journal Title

      Journal of Plasma and Fusion Research SERIES (印刷中)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Helical Fusion Power Plant Economics Studies2005

    • Author(s)
      T.J.Dolan, K.Yamazaki, A.Sagar
    • Journal Title

      Fusion Science and Technology Volume47・Number1

      Pages: 60-72

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Impurity Dynamics in Stellarator Plasmas2005

    • Author(s)
      W A Cooper, S P Hirshman, T Yamaguchi, Y Narushima, et al.
    • Journal Title

      Plasma Phys.Control.Fusion 47

      Pages: 561-567

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Interpray of Energetic Ions ans Alfven Modes in Helical Plasmas2004

    • Author(s)
      Ya.I.Kolesnichenko, S.Yamamoto, K.Yamazaki, et al.
    • Journal Title

      Phys.Plasmas Vol.11, No.1

      Pages: 158-170

    • Related Report
      2004 Annual Research Report
  • [Book] トコトンやさしいエネルギーの本2005

    • Author(s)
      山崎耕造
    • Total Pages
      160
    • Publisher
      日刊工業新聞社
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Annual Research Report 2004 Final Research Report Summary
  • [Book] Book on Plasmas2005

    • Author(s)
      Kozo Yamazaki
    • Publisher
      Nikkan-Kogyo Shinbun
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Book] Book on Energy2005

    • Author(s)
      Kozo Yamazaki
    • Publisher
      Nikkan-Kogyo Shinbun
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Book] プラズマの本2004

    • Author(s)
      山崎耕造
    • Total Pages
      160
    • Publisher
      日刊工業新聞社
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Book] トコトンやさしいプラズマの本2004

    • Author(s)
      山崎耕造
    • Total Pages
      160
    • Publisher
      日刊工業新聞社
    • Related Report
      2004 Annual Research Report
  • [Publications] K.Yamazaki, M.Kikuchi: "High Performance Operational Limits of Tokamak and Helical Systems"J.Plasma Fusion Res.SERIES. Vol.5. 28-35 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] K.Yamazaki, T.Minami, K.Narihara, K.Tanaka, et al.: "Transport Barrier Analysis of LHD Plasmas in Comparison with Neoclassical Models"J.Plasma Fusion Res.SERIES. Vol.5. 611-615 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] K.Yamazaki, J.Miyazawa, S.Sakakibara, H.Yamada, et al.: "GLOBAL AND LOCAL CONFINEMENT SCALING LAWS OF NBI-HEATED GAS-PUFFING PLASMAS ON LHD"30th EPS Conference on Controlled fusion and Plasma Physics. (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] K.Yamazaki, M.Kikuchi: "High Performance Operational Limits of Tokamak and Helical Systems"J.Plasma Fusion Res.SERIES. Vol.5. 28-35 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] K.Yamazaki.T.Minami, K.Narihara, K.Tanaka et al.: "Transport Barrier Analysis of LHD Plasmas in Comparison with Neoclassical Models"J.Plasma Fusion Res.SERIES. Vol.5. 61-615 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] K.Yamazaki, S.Imagawa, T.Muroga, A.Sagara, S.Okamura: "System Assessment of Helical Reactors in Comparison with Tokamaks"19th IAEA Fusion Energy Conference. FT/P1-FT/P20 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Kozo Yamazaki, Mitsuru Kikuchi: "Confinement Physics of Helical Plasmas versus Tokamaks"Problems od Atomic Science and Technology 2002 No.4 Series : Plasma Phyiscs(7). 2002No.4. 3-7 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Kozo Yamazaki, Shin Kubo, Kazuto Narihara, et al.: "Experimental analysis and Predictive Simulation of Transport Barrier in LHD and CHS Plasmas"29^<th> EPS Conference on Plasma Physics and Controlled Fusion (17-21 June 2002 Montreux. Switzerland). P-1.078 (2002)

    • Related Report
      2002 Annual Research Report

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Published: 2002-04-01   Modified: 2016-04-21  

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