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Development of a spectrometer for fast measurement of electron temperature and density, and study on heat and particle transport using the spectrometer

Research Project

Project/Area Number 19760602
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Nuclear fusion studies
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

NAKANO Tomohide  Japan Atomic Energy Agency, 核融合研究開発部門, 研究職 (50354593)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,480,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥180,000)
Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2007: ¥2,700,000 (Direct Cost: ¥2,700,000)
Keywords磁場核融合 / トカマク / プラズマ輸送 / 周辺局在モード (ELM) / 高速可視分光 / 核融合プラズマ / 周辺局在化モード / 核融合
Research Abstract

現在建設中の核融合発電の実験炉では容器を高温の核融合プラズマから保護するためにタイルが設置される。しかし、プラズマ自身が高速で変化すると瞬間的に大きな熱がタイルに伝わり、タイルが損傷するおそれがある。本研究ではプラズマの温度と密度を高速で測定する分光器を開発し、プラズマの瞬間的な変化を調べた、ある部分ではプラズマの温度と密度が100マイクロ秒の時間スケールで変化するが、別の場所では変化しないことが観測された。この場所による変化の違いについては原因を考察中である。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (8 results)

All 2008 2007 Other

All Journal Article (2 results) Presentation (3 results) Remarks (3 results)

  • [Journal Article] Impurity Accumulation in the Main Plasma and Radiation Process in the Divertor Plasma of JT-60U2008

    • Author(s)
      仲野友英、久保博孝、朝倉伸幸、清水勝宏、東島智
    • Journal Title

      Proceedings of 22nd IAEA Fusion Energy Conference (印刷中)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Impurity Accumulation in the Main Plasma and Radiation Process in the Divertor Plasma of JT-60U

    • Author(s)
      T. Nakano
    • Journal Title

      Proceedings of 22nd IAEA Fusion Energy Conference (印刷中)

    • Related Report
      2008 Annual Research Report
  • [Presentation] Impurity Accumulation in the Main Plasma and Radiation Process in the Divertor Plasma of JT-60U2008

    • Author(s)
      仲野友英、久保博孝、朝倉伸幸、清水勝宏、東島智
    • Organizer
      22nd IAEA Fusion Energy Conference
    • Place of Presentation
      ジュネーブ (スイス)
    • Year and Date
      2008-10-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Impurity Accumulation in the Main Plasma and Radiation Process in the Divertor Plasma of JT-60U2008

    • Author(s)
      T. Nakano
    • Organizer
      22nd IAEA Fusion Energy Conference
    • Place of Presentation
      国連本部(ジュネーブ,スイス)
    • Year and Date
      2008-10-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fast response of the divertor plasma and PWI at ELMs in JT-60U2007

    • Author(s)
      仲野友英
    • Organizer
      国際トカマク物理活動 第9回スクレイプオフ層とダイバータ物理専門家会合
    • Place of Presentation
      ドイツ、マックスプランク研究所
    • Year and Date
      2007-05-07
    • Related Report
      2007 Annual Research Report
  • [Remarks] ホームページ等

    • URL

      http://naka-www.jaea.go.jp/naka_news/no_14/naka_news14.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://naka-www.jaea.go.jp/naka_news/no_14/naka_news14.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.naka.jaea.go.jp/naka_news/H19news/naka_news14.html

    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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