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World's Largest Direct Numerical Simulation of Turbulent-Boundary-Layer Control on the Earth Simulator

Research Project

Project/Area Number 18760131
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Fluid engineering
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

IWAMOTO Kaoru  Tokyo University of Agriculture and Technology, 大学院共生科学技術研究院, 特任准教授 (50408712)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,910,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2006: ¥2,300,000 (Direct Cost: ¥2,300,000)
Keywords熱流体工学 / 乱流 / 直接数値計算 / 地球シミュレータ / 制御 / 乱流境界層
Research Abstract

研究成果の概要:省エネルギーや環境保全の対策の1 つとして,自在な乱流制御手法の確立が期待されている.乱流境界層を対象とし,地球シミュレータを用いて超並列計算コードを開発し,高レイノルズ数かつ,広い計算領域,長時間に亘る計算を行い,非制御時の高精度の各種乱流統計量を取得した.大規模構造のスパン方向サイズを用いたレイノルズ数により,流れ場に依らず壁近傍の乱流統計量を整理できることが分かり,乱流摩擦抵抗の普遍的モデルを構築した.また,摩擦抵抗係数とレイノルズ応力の関係式を新たに導出した.

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (15 results)

All 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 5 results) Presentation (9 results)

  • [Journal Article] Direct Numerical Simulation of Passive Scalar Transport in a Turbulent Boundary Layer2008

    • Author(s)
      Tohdoh, K., Nakano, H., Iwamoto, K. and Kawamura, H.
    • Journal Title

      Proc. Of 7th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements 1

      Pages: 169-174

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Large-Scale Structures upon Near-Wall Turbulence2008

    • Author(s)
      Iwamoto, K., Tsukahara, T., Nakano, H., and Kawamura, H.
    • Journal Title

      IUTAM Bookseries 4

      Pages: 55-60

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Direct Numerical Simulation of Passive Scalar Transport in a Turbulent Boundary Layer2008

    • Author(s)
      Kimihiko Tohdoh
    • Journal Title

      Proc. of 7th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements 1

      Pages: 169-174

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Large-Scale Structures upon Near-Wall Turbulence2008

    • Author(s)
      Kaoru Iwamoto
    • Journal Title

      IUTAM Bookseries 4

      Pages: 55-60

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Large-Scale Structures upon Near-Wall Turbulence2007

    • Author(s)
      Iwamoto, K., Tsukahara, T., Nakano, H., and Kawamura, H.
    • Journal Title

      Proceeding of IUTAM Symposium on Computational Physics and New Perspectives in Turbulence

      Pages: 53-58

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Large-Scale Structures upon Near-Wall Turbulence2007

    • Author(s)
      Kaoru Iwamoto
    • Journal Title

      Proceeding of IUTAM Symposium on Computational Physics and New Perspectives in Turbulence

      Pages: 53-58

    • Related Report
      2006 Annual Research Report
  • [Presentation] 直接数値シミュレーションによる乱流熱伝達の研究2008

    • Author(s)
      小塚,藤堂,岩本,河村, 大規模
    • Organizer
      学術フロンティア推進事業Holcs・第三回計算科学フロンティアフォーラム
    • Place of Presentation
      東京
    • Year and Date
      2008-09-09
    • Related Report
      2008 Final Research Report
  • [Presentation] 大規模直接数値シミュレーションによる乱流熱伝達の研究2008

    • Author(s)
      小塚信
    • Organizer
      学術フロンティア推進事業Holcs・第三回計算科学フロンティアフォーラム
    • Place of Presentation
      東京
    • Year and Date
      2008-09-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] DNS による温度場乱流境界層における外層の間欠構造2008

    • Author(s)
      藤堂 公浩,岩本 薫,河村 洋
    • Organizer
      第45 回日本伝熱シンポジウム講演論文集
    • Place of Presentation
      筑波
    • Year and Date
      2008-05-21
    • Related Report
      2008 Final Research Report
  • [Presentation] DNSによる温度場乱流境界層における外層の間欠構造2008

    • Author(s)
      藤堂公浩
    • Organizer
      第45回日本伝熱シンポジウム講演論文集
    • Place of Presentation
      筑波
    • Year and Date
      2008-05-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] Direct Numerical Simulation of Wall Turbulence at High Reynolds Number2008

    • Author(s)
      Kaoru Iwamoto
    • Organizer
      Frontiers of Computational Science, Macroscopic Systems/Fluid Mechanics
    • Place of Presentation
      Nagoya
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 高レイノルズ数チャネル乱流における階層構造間相互作用2008

    • Author(s)
      岩本 薫
    • Organizer
      共同研究会「 乱流の統計理論とその応用」
    • Place of Presentation
      東京
    • Year and Date
      2008-03-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 高レイノルズ数チャネル乱流における階層構造間相互作用2008

    • Author(s)
      岩本 薫
    • Organizer
      共同研究会「乱流の統計理論とその応用」
    • Place of Presentation
      東京
    • Year and Date
      2008-03-04
    • Related Report
      2007 Annual Research Report
  • [Presentation] 乱流境界層の大規模DNS2007

    • Author(s)
      中野 秀樹,岩本 薫,河村 洋
    • Organizer
      第21 回数値流体力学シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2007-12-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 乱流境界層の大規模DNS2007

    • Author(s)
      中野 秀樹
    • Organizer
      第21回数値流体力学シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2007-12-19
    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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