Development of predictions for turbulence phenomena involving separation by high Reynolds-number DNS

• Project/Area Number: 20760125
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Fluid engineering
• Research Institution: Japan Aerospace Exploration Agency
• Principal Investigator: ABE Hiroyuki Japan Aerospace Exploration Agency, 研究開発本部数値解析グループ, 研究員 (80358481)
• Project Period (FY): 2008 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
• Keywords: 乱流 / 機械工学 / 流体工学

Research Abstract

本研究では,剥離を伴うDNS(直接数値シミュレーション)並列計算コードの開発を平板乱流境界層に対して進めた.その結果,大きな計算領域を用いたDNSの実行に成功し,自由速度と運動量厚さに基づくレイノルズ数で300~2000の範囲のDNSデータベースを構築した.また,研究代表者が今まで実行してきた平行平板間乱流および乱流熱伝達のDNSの基本的な乱流統計量データのWEBにおける公開およびDNSデータを用いた乱流モデルの検証を行った.

Research Products

• [Journal Article] Near-wall similarity between velocity and scalar fluctuations in a turbulent channel flow (2009)
  • Author(s): Hiroyuki Abe, Robert Anthony Antonia
  • Journal Title: Phys. Fluids Vol.21 Pages: 25109-25109
  • Peer Reviewed
• [Journal Article] Correlation between small-scale velocity and scalar fluctuations in a turbulent channel flow (2009)
  • Author(s): Hiroyuki Abe, Robert Anthony Antonia, Hiroshi Kawamura
  • Journal Title: J. Fluid Mech. Vol.627 Pages: 1-32
  • Peer Reviewed
• [Journal Article] Analogy between velocity and scalar fields in a turbulent channel flow (2009)
  • Author(s): Robert Anthony Antonia, Hiroyuki Abe, Hiroshi Kawamura
  • Journal Title: J. Fluid Mech. Vol.628 Pages: 241-268
  • Peer Reviewed
• [Journal Article] Near-wall similarity between velocity and scalar fluctuations in a turbulent channel flow (2009)
  • Author(s): Hiroyuki Abe, Robert Antonia
  • Journal Title: Physics of Fluids 21
  • Peer Reviewed
• [Journal Article] Correlation between small-scale velocity and scalar fluctuations in a turbulent channel flow (2009)
  • Author(s): Hiroyuki Abe, Robert Antonia, Hiroshi Kawamura
  • Journal Title: Journal of Fluid Mechanics (掲載決定)
  • Peer Reviewed
• [Journal Article] Analogy between velocity and scalar fields in a turbulent channel flow (2009)
  • Author(s): Robert Antonia, Hiroyuki Abe, Hiroshi Kawamura
  • Journal Title: Journal of Fluid Mechanics (掲載決定)
  • Peer Reviewed
• [Presentation] Passive scalars in Turbulent boundary layers (2010)
  • Author(s): Hiroyuki Abe
  • Organizer: Proc. of NORDITA-FLOW Spring school on Turbulent Boundary Layers
  • Place of Presentation: Sweden(Invited lecture)
  • Year and Date: 2010-04-09
• [Presentation] Passive scalars in Turbulent boundary layers (Invited) (2010)
  • Author(s): Hirovuki Abe
  • Organizer: NORDITA-FLOW Spring School on Turbulent Boundary Layers
  • Place of Presentation: KTH Royal Institute of Technology (Sweden)(発表予定)
  • Year and Date: 2010-04-09
• [Presentation] 平板乱流境界層のDNSにおけるリサイクル位置の影響 (2010)
  • Author(s): 阿部浩幸, 溝渕泰寛, 松尾裕一
  • Organizer: 第25回生研TSFDシンポジウム講演論文集
  • Place of Presentation: 東京大学生産技術研究所
  • Year and Date: 2010-03-05
• [Presentation] 平板乱流境界層のDNSにおけるリサイクル位置の影響 (2010)
  • Author(s): 阿部浩幸, 溝渕泰寛, 松尾裕一
  • Organizer: 第25回生研TSFDシンポジウム
  • Place of Presentation: 東京大学生産技術研究所
  • Year and Date: 2010-03-05
• [Presentation] リスケール・リサイクル法を用いた平板乱流境界層DNSデータベースの構築 (2010)
  • Author(s): 阿部浩幸, 溝渕泰寛, 松尾裕一
  • Organizer: 第42回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2010
  • Place of Presentation: 米子コンベンションセンターBiG SHiP(発表予定)
• [Presentation] リスケール・リサイクル法を用いた平板乱流境界層のDNS (2010)
  • Author(s): 阿部浩幸, 溝渕泰寛, 松尾裕一
  • Organizer: 日本機械学会2010年度年次大会
  • Place of Presentation: 名古屋工業大学(発表予定)
• [Presentation] 剥離を伴う平板乱流境界層のDNS (2010)
  • Author(s): 阿部浩幸, 溝渕泰寛, 松尾裕一
  • Organizer: 日本流体力学会年会2010
  • Place of Presentation: 北海道大学(発表予定)
• [Presentation] Turbulent Prandtl number in a channel flow for Pr=0.025 and 0.71 (2009)
  • Author(s): Hiroyuki Abe, Robert Antonia
  • Organizer: 6th International Symposium on Turbulence and Shear Flow Phenomena
  • Place of Presentation: Seoul National University (Korea)
  • Year and Date: 2009-06-22
• [Presentation] Turbulent Prandtl number in a channel flow for Pr=0. 025 and 0. 71 (2009)
  • Author(s): Hiroyuki Abe, Robert Anthony Antonia
  • Organizer: Proc. of 6th International Symposium on Turbulence and Shear Flow Phenomena
  • Place of Presentation: Seoul, Korea
• [Remarks]
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• [Remarks]
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• [Remarks]
  • URL: http://www.iat.jaxa.jp/db/index.html