Theory and code development for evaluation of tritium retention and exhaust in fusion reactor

2009 Fiscal Year Self-evaluation Report

• Project Area: Tritium Science and Technology for Fusion Reactor
• Project/Area Number: 19055005
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: The University of Tokushima
• Principal Investigator: OHYA Kaoru The University of Tokushima, 大学院・ソシオテクノサイエンス研究部, 教授 (10108855)
• Project Period (FY): 2007 – 2011
• Keywords: 核融合 / トリチウム / プラズマ壁相互作用 / 周辺プラズマ / シミュレーション

Research Abstract

国内研究機関および大学の研究者が個人ベースで開発してきたプラズマ・壁相互作用とダイバータ・境界層プラズマを取り扱う先進的なシミュレーションコードを統合し、基礎実験データに基づくシミュレーションモデルの評価および実機実験データ解析によるシミュレーションコードの評価と性能向上を計りながら、トリチウムの炉内蓄積量と炉外への排出速度とを定量評価できるシミュレーションコードを開発する。これによって、本領域の目的であるトリチウムの安全性を確保し、経済的に成立する核融合炉の燃料システムの構築に貢献する。

Research Products

• [Journal Article] Simulation of hydrocarbon reflection from carbon and tungsten surfaces and its impact on codeposition patterns on plasma facing components (2009)
  • Author(s): K. Ohya, Y. Kikuhara, K. Inai, A. Kirschner, D. Borodin, A. Ito, H. Nakamura, T. Tanabe
  • Journal Title: Journal of Nuclear Materials Vol.390-391 Pages: 72-75
  • Peer Reviewed
• [Journal Article] Release conditions of dust particle from plasma-facing wall in oblique magnetic field (2009)
  • Author(s): Y. Tomita, G. Kawamura, R. Smirnov, T. Takizuka, D. Tskhakaya
  • Journal Title: Journal of Nuclear Materials Vol.390-391 Pages: 164-167
  • Peer Reviewed
• [Journal Article] Coupled IMPGYRO-EDDY simulation of tungsten impurity transport in tokamak geometry (2009)
  • Author(s): M. Toma, K. Hoshino, K. Inai, M. Furubayashi, A. Hatayama, K. Ohya
  • Journal Title: Journal of Nuclear Materials Vol.390-391 Pages: 207-210
  • Peer Reviewed
• [Journal Article] Excited state distribution of reflected hydrogen atoms at metal surfaces - Development of theoretical models - (2009)
  • Author(s): D. Kato, T. Kenmotsu, K. Ohya, T. Tanabe
  • Journal Title: Journal of Nuclear Material Vol.390-391 Pages: 498-501
  • Peer Reviewed
• [Journal Article] Calculation of deuterium retention and reflection from a tungsten material under D+ ions irradiation with ACAT-DIFFUSE code (2009)
  • Author(s): T. Ono, T. Kenmotsu, T. Muramoto, T. Kawamura
  • Journal Title: Journal of Nuclear Materials Vol.390-391 Pages: 713-716
  • Peer Reviewed
• [Presentation] Integrated numerical simulations and modeling of erosion and deposition on plasma facing walls (2009)
  • Author(s): K. Ohya, K. Inai, A. Ito, G. Kawamura, A. Kirschner, H. Nakamura, Y. Tomita, T. Tanabe
  • Organizer: TER Summer School 2009 - Plasma Surface Interaction in Controlled Fusion Devices-, Aix en Provence
  • Place of Presentation: France
  • Year and Date: 20090622-20090626
• [Presentation] Modeling and simulation on SOL-divertor plasmas, ITER Summer School 2009 - Plasma Surface Interaction in Controlled Fusion Devices- (2009)
  • Author(s): T. Takizuka
  • Organizer: Aix en Provence
  • Place of Presentation: France
  • Year and Date: 20090622-20090626
• [Presentation] Molecular Dynamics Simulation of Chemical Sputtering of Hydrogen Atom on Layer Structured Graphite (2008)
  • Author(s): A. Ito, Y. Wang, S. Irle, K. Morokuma, H. Nakamura
  • Organizer: 22nd IAEA Fusion Energy Conference
  • Place of Presentation: Geneva (Switzerland)(口頭発表)
  • Year and Date: 20081013-20081018
• [Presentation] Kinetic Modelling of Impurity Transport in Detached Plasma for Integrated Divertor Simulation with SONIC (SOLDOR/NEUT2D/IMPMC/EDDY) (2008)
  • Author(s): K. Shimizu, T. Takizuka, K. Ohya, K. Inai, T. Nakano, A. Takayama, H. Kawashima, K. Hoshino
  • Organizer: 22nd IAEA Fusion Energy Conference
  • Place of Presentation: Geneva (Switzerland)(口頭発表)
  • Year and Date: 20081013-20081018
• [Book] トポロジーデザイニング(新しい幾何学からはじめる物質・材料設計) (2009)
  • Author(s): 剣持貴弘, 他
  • Publisher: エヌ・ティー・エス
• [Book] Reactive Sputter Deposition(Simulation of the Sputtering Process, Chap. 1) (2008)
  • Author(s): T. Ono, T. Kenmotsu, T. Muramoto, D. Depla, M. Mahieu
  • Total Pages: 1-42
• [Book] Focused Ion Beam Systems: Basics and Applications(ed. N. Yao, Imaging using electrons and ion beams, Chap.4) (2007)
  • Author(s): K. Ohya, T. Ishitani
  • Total Pages: 87-125