Studies on toroidal equilibria with flow in extended magnetohydrodynamic models

• Project/Area Number: 18740358
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Plasma science
• Research Institution: National Institute for Fusion Science
• Principal Investigator: ITO Atsushi National Institute for Fusion Science, シミュレーション科学研究部, 助教 (70413987)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥2,350,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥150,000); Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2007: ¥500,000 (Direct Cost: ¥500,000); Fiscal Year 2006: ¥1,200,000 (Direct Cost: ¥1,200,000)
• Keywords: プラズマ物理 / 磁場閉じ込め核融合 / プラズマ平衡 / 電磁流体力学 / 拡張MHD / 二流体MHD / トカマク / シアー流 / 拡張磁気流体 / 磁場閉じ込め / 核融合 / 電磁流体 / Hall MHD

Research Abstract

磁場閉じ込め核融合に用いられるトーラス型プラズマにおける巨視的な理想磁気流体平衡に対し、強い流れがあり複数の微視的な効果をもつ新しい平衡モデルを構築し、それらの性質を理論的・数値的に解析した。新しい定式化は、十分に解明されていなかった流れをもつ理想磁気流体平衡に対しても重要な知見を与え、それに対して微視的効果が付加されたときの流れをもつ平衡の物理的・数学的な性質の変化を詳細に解析することができた。

Research Products

• [Journal Article] Analytic high-beta tokamak equilibria with poloidal-sonic flow (2009)
  • Author(s): Atsushi Ito and Noriyoshi Nakajima
  • Journal Title: Plasma Physics and Controlled Fusion (Vol.51,No.3)
  • Peer Reviewed
• [Journal Article] Effects of Finite Larmor Radius on Equilibria with Flow in Reduced Two-Fluid Models (2008)
  • Author(s): Atsushi Ito and Noriyoshi Nakajima
  • Journal Title: AIP Conference Proceedings (Vol.1069) Pages: 121-132
• [Journal Article] High-Beta Axisymmetric Equilibria with Flow in Reduced Single-Fluid and Two-Fluid Models (2008)
  • Author(s): Atsushi It Jesus J.amos and Noriyoshi Nakajima
  • Journal Title: Plasma and Fusion Research (Vol.3,)
  • Peer Reviewed
• [Journal Article] High-Beta Axisymmetric Equilibria with Flow in Reduced Single-Fluid and Two-Fluid Models (2008)
  • Author(s): Atsushi Ito
  • Journal Title: Plasma and Fusion Research 3
  • NAID: 130000263916
  • Peer Reviewed
• [Journal Article] Effects of Finite Larmor Radius on Equilibria with Flow in Reduced Two-Fluid Models (2008)
  • Author(s): Atsushi Ito
  • Journal Title: AIP Conference Proceedings 1069 Pages: 121-132
• [Journal Article] Analytic high-beta tokamak equilibria with poloidal-sonic flow (2008)
  • Author(s): Atsushi Ito
  • Journal Title: Plasma Physics and Controlled Fusion 51
  • Peer Reviewed
• [Journal Article] Ellipticity of axisymmetric equilibria with flow and pressure anitropy in single-fluid and Hall magnetohydrodynamics (2007)
  • Author(s): Atsushi Ito, Jesus J. Ramos and Noriyoshi Nakajima
  • Journal Title: Physics of Plasmas Vol.14,Iss.6
  • Peer Reviewed
• [Journal Article] Ellipticity of axisymmetric equilibria with flow and pressure anisotropy in single-fluid and Hall magnetohydrodynamics (2007)
  • Author(s): Atsushi Ito
  • Journal Title: Physics of Plasmas 14
  • Peer Reviewed
• [Presentation] High-beta toroidal equilibria with flow in reduced luid models (2008)
  • Author(s): Atsushi Ito
  • Organizer: 18th International Toki Conference
  • Place of Presentation: セラトピア土岐(土岐市)
  • Year and Date: 2008-12-09
• [Presentation] High-beta toroidal equilibria with flow in reduced fluid models (2008)
  • Author(s): Atsushi Ito
  • Organizer: 18th International Toki Conference
  • Place of Presentation: セラトピア土岐(土岐市)
  • Year and Date: 2008-12-09
• [Presentation] 流れをもつ軸対称ニ流体平衡に対する有限ラーマー半径効果(II) (2008)
  • Author(s): 伊藤淳
  • Organizer: 日本物理学会2008年秋季大会、2008年秋季大会
  • Place of Presentation: 岩手大学(盛岡市)
  • Year and Date: 2008-09-22
• [Presentation] 流れをもつ軸対称二流体平衡に対する有限ラーマー半径効果(II) (2008)
  • Author(s): 伊藤淳
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 岩手大学(盛岡市)
  • Year and Date: 2008-09-22
• [Presentation] Effects of Finite Larmor Radius o Equilibria with Flow in Reduced Tw-Fluid Models (2008)
  • Author(s): Atsushi Ito
  • Organizer: Joint Varenna - Lausanne International Workshop on "Theory of Fusion Plasmas"
  • Place of Presentation: Villa Monastero,Varenna(イタリア)
  • Year and Date: 2008-08-28
• [Presentation] Effects of Finite Larmor Radius on Equilibria with Flow in Reduced Two-Fluid Models (2008)
  • Author(s): Atsushi Ito
  • Organizer: Joint Varenna-Lausanne International Workshop on "Theory of Fusion Plasmas"
  • Place of Presentation: Villa Monastero, Varenna(イタリア)
  • Year and Date: 2008-08-28
• [Presentation] 簡約化流体モデルにおける流れをもつ高ベータ平衡 (2008)
  • Author(s): 伊藤淳
  • Organizer: 第7回核融合エネルギー連合講演会
  • Place of Presentation: 青森市男女共同参画プラザ
  • Year and Date: 2008-06-21
• [Presentation] 流れをもつ軸対称二流体平衡に対する有限ラーマー半径効果 (2008)
  • Author(s): 伊藤淳
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学(東大阪市)
  • Year and Date: 2008-03-25
• [Presentation] 簡略化二流体モデルを用いた流れをもつ平衡状態の解析 (2007)
  • Author(s): 伊藤淳
  • Organizer: 第24回プラズマ核融合学会年会
  • Place of Presentation: イーグレひめじ(姫路市)
  • Year and Date: 2007-11-28
• [Presentation] Axisymmetric equilibria with flow in reduced two-fluid models (2007)
  • Author(s): Atsushi Ito
  • Organizer: Joint Conference of 17th International Toki Conference and 16th International Stellarator/Heliotron Workshop
  • Place of Presentation: セラトピア土岐(土岐市)
  • Year and Date: 2007-10-17
• [Presentation] Axisymmetric equilibria with flow in reduced two-fluid models (2007)
  • Author(s): Atsushi Ito
  • Organizer: 第17回国際土岐コンファレンスおよび第16回国際ステラレータ/ヘリオトロンワークショップ合同会議
  • Place of Presentation: セラトピア土岐(土岐市)
  • Year and Date: 2007-10-17
• [Presentation] 簡略化二流体モデルを用いた平衡解析 (2007)
  • Author(s): 伊藤淳
  • Organizer: 日本物理学会第62回年次大会
  • Place of Presentation: 北海道大学(札幌市)
  • Year and Date: 2007-09-22
• [Presentation] Axisymmetric equilibrium with flow and pressure anisotropy in Hall MHD (2006)
  • Author(s): Atsushi Ito
  • Organizer: The 48th Annual Meeting of the Division of Plasma Physics, the American Physical Society
  • Place of Presentation: Philadelphia(アメリカ)
  • Year and Date: 2006-11-02
• [Presentation] 流れをもつ軸対称トロイダル平衡と磁気流モデル (2006)
  • Author(s): 伊藤淳
  • Organizer: 日本物理学会2006年秋季大会
  • Place of Presentation: 千葉大学(千葉市)
  • Year and Date: 2006-09-24
• [Presentation] 拡張磁気流体モデルにおける軸対称トロイダル平衡流 (2006)
  • Author(s): 伊藤淳
  • Organizer: 第6回核融合エネルギー連合講演会
  • Place of Presentation: 富山国際会議場
  • Year and Date: 2006-06-13
• [Remarks]
  • URL: http://www.dss.nifs.ac.jp/atsushi/
• [Remarks]
  • URL: http://www.dss.nifs.ac.jp/atsushi/
• [Remarks]
  • URL: http://www.dss.nifs.ac.jp/atsushi/