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LES analysis of the flow around a realistic scale-structure with circular section

Research Project

Project/Area Number 19760400
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Building structures/materials
Research InstitutionObayashi Corporation Technical Research Institute

Principal Investigator

ONO Yoshiyuki  Obayashi Corporation Technical Research Institute, 環境技術研究部, 副主査 (70393593)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,780,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥1,700,000 (Direct Cost: ¥1,700,000)
Keywords構造設計 / 風工学 / 流体 / 流体工学 / 解析評価 / 解析・評価
Research Abstract

実大円柱まわりの流れは、縮尺相似則の問題から通常の風洞実験や流体計算で再現するのは困難である。本研究では、大規模計算機の利用により細かい解像度を確保した上で、実大スケールの円筒形構造物まわりの複雑な流れを再現するための解析手法の検討を行った。その結果、精度良く再現できる計算条件・モデルを示すとともに、得られた解析結果から、これまでの実験的考察では得られなかった円柱近傍の複雑な流れ特性を明らかにした。

Report

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

    (10 results)

All 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (8 results)

  • [Journal Article] 超臨界域における円柱まわりの流れに関するLES解析2008

    • Author(s)
      小野佳之、田村哲郎
    • Journal Title

      第20回風工学シンポジウム論文集

      Pages: 385-390

    • NAID

      130004644442

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 超臨界域における円柱まわりの流れに関するLES解析2008

    • Author(s)
      小野佳之
    • Journal Title

      第20回風工学シンポジウム論文集

      Pages: 385-390

    • NAID

      130004644442

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] LES of flows around a circular cylinder at critical and super critical Reynolds numbers2008

    • Author(s)
      小野佳之
    • Organizer
      61^<th> annual meeting Division of fluid dynamics American physical society
    • Place of Presentation
      アメリカ・サンアントニオ
    • Year and Date
      2008-11-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] 超臨界域における円柱まわりの流れに関するLES解析2008

    • Author(s)
      小野佳之
    • Organizer
      日本流体力学会年会2008講演要旨集
    • Place of Presentation
      神戸大学
    • Year and Date
      2008-09-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] LES of flows around a circular cylinder in the critical Reynolds number region2008

    • Author(s)
      小野佳之
    • Organizer
      BBAA VI International Colloquium on:Bluff Bodies Aerodynamics & Applications
    • Place of Presentation
      イタリア・ミラノ
    • Year and Date
      2008-07-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] LES of flow around a circular cylinder in the critical Reynolds number region2008

    • Author(s)
      Y. ONO、T. TAMURA
    • Organizer
      BBAA VI International Colloquium on Bluff Bodies Aerodynamics & Applications
    • Related Report
      2008 Final Research Report
  • [Presentation] 超臨界域における円柱まわりの流れに関するLES解析2008

    • Author(s)
      小野佳之、田村哲郎
    • Organizer
      日本流体力学会年会 2008 講演要旨集
    • Related Report
      2008 Final Research Report
  • [Presentation] LES of flows around a circular cylinder at critical and super critical Reynolds numbers2008

    • Author(s)
      Y. ONO、T. TAMURA
    • Organizer
      61th annual meeting Division of fluid dynamics American physical society
    • Related Report
      2008 Final Research Report
  • [Presentation] LES of flows around a circular cylinder at the critical Reynolds numbers2007

    • Author(s)
      Y. ONO、T. TAMURA
    • Organizer
      60th annual meeting Division of fluid dynamics(American physical society)
    • Related Report
      2008 Final Research Report
  • [Presentation] LES of flows around a circular cylinder at the criti cal Reynolds numbers2007

    • Author(s)
      小野 佳之
    • Organizer
      60th annual meeting Division of fluid dynamics(American physical society)
    • Place of Presentation
      ソルトレイクシティ(米国)
    • Related Report
      2007 Annual Research Report

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

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