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Response of transfer and dissipative structure of turbulence to the microscale disturbances

Research Project

Project/Area Number 19560168
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Fluid engineering
Research InstitutionNagoya Institute of Technology

Principal Investigator

GOTOH Toshiyuki  Nagoya Institute of Technology, 大学院・工学研究科, 教授 (70162154)

Co-Investigator(Renkei-kenkyūsha) RUBINSTEIN Robert  NASA Langley Research Center, Dr.
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords乱流 / 直接数値計算 / マイクロスケール / 散逸構造 / 乱流輸送 / 大規模直接数値計算 / マイクロバブル / 渦粘性 / くりこみ / エネルギー散逸 / 特異性 / スカラー乱流 / 散逸領域 / 慣性領域 / ランジュバン方程式 / 乱流統計論理
Research Abstract

乱流における最小の渦よりも小さいマイクロバブルなどの微小な添加物や、計算格子以下のスケールの乱流運動による影響をマイクロスケールでの外乱とみなして、それらによる乱流への影響を大規模直接数値計算を駆使して調べた。渦周辺に置かれたマイクロバブルは渦中心に移動し、かつエネルギー散逸を増大させること、計算格子以下の運動は渦粘性と非正規分布に従うランダム力としてあらわされることがわかった。

Report

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

    (37 results)

All 2009 2008 2007

All Journal Article (10 results) (of which Peer Reviewed: 4 results) Presentation (27 results)

  • [Journal Article] Scalar flux intermittency under the mean scalar gradient2009

    • Author(s)
      T. Gotoh and T. Watanabe
    • Journal Title

      研究集会報告「乱流現象及び多自由度系の動力学構造と統計法則」(九州大学応用力学研究所) 20ME-S6

      Pages: 92-102

    • Related Report
      2008 Final Research Report
  • [Journal Article] Scalar flux intermittency under the mean scalar gradient2009

    • Author(s)
      T. Gotoh, T. Watanabe
    • Journal Title

      九州大学応用力学研究所 研究集会報告「乱流現象及び多自由度系の動力学構造と統計法則」 20ME-S6

      Pages: 92-102

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Energy dissipation and pressure in 4d turbulence2008

    • Author(s)
      T. Gotoh, T. Nakano, Y. Shiga, and E. Suzuki
    • Journal Title

      Proceedings of the IUTAM Symposium on Computational Physics and New Perspectives in Turbulence

      Pages: 27-34

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 格子ボルツマン法による一様等方乱流の数値計算2008

    • Author(s)
      米本隆, 後藤俊幸, 渡邊威
    • Journal Title

      研究集会報告「乱流現象及び多自由度系の動力学構造と統計法則」(九州大学応用力学研究所) 19ME-S7

      Pages: 29-36

    • Related Report
      2008 Final Research Report
  • [Journal Article] Energy dissipation and pressure in 4d turbulence2008

    • Author(s)
      T. Gotoh, T. Nakano, Y. Shiga, E. Suzuki
    • Journal Title

      Proceedings of the IUTAM Sympos ium on Computational Physics and New Perspectives in Turbulence 19

      Pages: 27-34

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 格子ボルツマン法による一様等方乱流の数値計算2008

    • Author(s)
      米本隆, 後藤俊幸, 渡邊威
    • Journal Title

      九州大学応用力学研究所研究集会報告「乱流現象及び多自由度系の動力学構造と統計法則」 19ME-S7

      Pages: 29-36

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Scalar flux spectrum in passive scalar convected by homogeneous turbulence under a uniform mean scalar gradient2007

    • Author(s)
      T. Watanabe and T. Gotoh
    • Journal Title

      Phys. Fluids 19, 121701

      Pages: 1-4

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Computational Physics of Turbulence2007

    • Author(s)
      T. Gotoh
    • Journal Title

      Proceedings of APCOM, Kyoto MS9-1-1-12

    • Related Report
      2008 Final Research Report
  • [Journal Article] Scalar flux spectrum in passive scalar convected by homogeneous turbulence under a uniform mean scalar gradient2007

    • Author(s)
      T.Watanabeand T. Gotoh
    • Journal Title

      Phys.Fluids, 19

      Pages: 1217011-4

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Computational Physics of Turbulence2007

    • Author(s)
      T.Gotoh
    • Journal Title

      Proceedings of APCOM, Kyoto

    • Related Report
      2007 Annual Research Report
  • [Presentation] 乱流のDNSにおける切断波数の影響とランジュバンモデリング2009

    • Author(s)
      後藤俊幸, 渡邊威, Rubinstein
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-27
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 一様乱流中の高分子鎖の振る舞いとその統計性2009

    • Author(s)
      渡邊威, 後藤俊幸
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-27
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Mixed velocity-scalar statistics in passive scalar turbulence with uniform a mean gradient2008

    • Author(s)
      T. Watanabe, T. Gotoh
    • Organizer
      IUTAM meeting on Rotating Stratified Turbulence and Turbulence in the Atmosphere and Oceans
    • Place of Presentation
      Isaac Newton Insti tute, Cambridge
    • Year and Date
      2008-12-08
    • Related Report
      2008 Annual Research Report
  • [Presentation] 平均一様スカラー勾配のもとでの乱流スカラー場の統計2008

    • Author(s)
      後藤俊幸, 渡邊威
    • Organizer
      研究集会 : 「乱流現象及び多自由度系の動力学、構造と統計法則」
    • Place of Presentation
      九州大学応用力学研究所
    • Year and Date
      2008-11-14
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 多重格子を用いたKelvin-Helmholtz不安定性の直接数値計算2008

    • Author(s)
      校條祐輔, 井上洋平, 後藤俊幸
    • Organizer
      第6回日本流体力学会中部支部講演会
    • Place of Presentation
      名古屋工業大学
    • Year and Date
      2008-11-08
    • Related Report
      2008 Final Research Report
  • [Presentation] 多重格子を用いたKelVin-Helmholtz 不安定性の直接数値計算2008

    • Author(s)
      校條祐輔, 井上洋平, 後藤俊幸
    • Organizer
      第6回日本流体力学会中部支部講演会
    • Place of Presentation
      名古屋工業大学
    • Year and Date
      2008-11-08
    • Related Report
      2008 Annual Research Report
  • [Presentation] Intermi ttency and seal ing of passive scalar convected by isotropic steady turbulence under the uniform mean scalar gradient2008

    • Author(s)
      T. Gotoh
    • Organizer
      Workshop on Inert ial range dynamicsand mixing
    • Place of Presentation
      Isaac Newton Institute, Cambridge
    • Year and Date
      2008-10-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] 格子ボルツマン法による一様等方性減衰乱流の直接数値計算2008

    • Author(s)
      米本隆, 渡邊威, 後藤俊幸
    • Organizer
      日本物理学会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-20
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] せん断流れ場中の2相系の時間発展2008

    • Author(s)
      野々垣昭則, 井上洋平, 後藤俊幸
    • Organizer
      日本物理学会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-20
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 乱流中の単一高分子鎖の挙動の数値シミュレーション2008

    • Author(s)
      渡邊威, 後藤俊幸
    • Organizer
      日本物理学会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Mixed velocity-scalar statistics in passive scalar turbulence with uniform a mean gradient2008

    • Author(s)
      T. Watanabe and T. Gotoh
    • Organizer
      IUTAM meeting on Rotating Stratified Turbulence and Turbulence in the Atmosphere and Oceans
    • Place of Presentation
      Isaac Newton Institute, Cambridge, Dec(8-12)
    • Year and Date
      2008-08-12
    • Related Report
      2008 Final Research Report
  • [Presentation] オイラー方程式の数値解の次元依存性2008

    • Author(s)
      中野徹, 宮崎巧也, 後藤俊幸
    • Organizer
      オイラー方程式の数理,渦運動150年
    • Place of Presentation
      京大数理解析研究所研究集会
    • Year and Date
      2008-07-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Intermittency, accuracy, and modeling of homogeneous and passive scalar turbulence2008

    • Author(s)
      T. Gotoh
    • Organizer
      NASA Research Seminar
    • Place of Presentation
      NASA Langley Research Center
    • Year and Date
      2008-06-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] Energy dissipation and collisions of singular structures in classical and Quantum turbulence2008

    • Author(s)
      Y. Shiga, T. Miyazaki, W. Kubo, T. Nakano, T. Gotoh
    • Organizer
      Symposium on Fluid Science and Turbulence
    • Place of Presentation
      Johns Hopkins Univ
    • Year and Date
      2008-05-31
    • Related Report
      2008 Annual Research Report
  • [Presentation] 古典乱流と量子乱流2008

    • Author(s)
      久保渉, 中野徹, 後藤俊幸
    • Organizer
      日本物理学会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-24
    • Related Report
      2008 Final Research Report
  • [Presentation] 一様平均スカラー勾配下の乱流輸送におけるスカラーフラックスの統計2008

    • Author(s)
      渡邊 威 後藤 俊幸
    • Organizer
      日本物理学会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] Intermittency and scaling of passive scalar convected by isotropic steady turbulence under the uniform mean scalar gradient2008

    • Author(s)
      T. Gotoh
    • Organizer
      Workhsop on Inertial range dynamics and mixing
    • Place of Presentation
      Isaac Newton Institute, Cambridge
    • Related Report
      2008 Final Research Report
  • [Presentation] Intermittency, accuracy, and modeling of homogeneous and passive scalar turbulence2008

    • Author(s)
      T. Gotoh
    • Organizer
      NASA Langley Research Center
    • Place of Presentation
      CNLS, Los Alamos National Lab
    • Related Report
      2008 Final Research Report
  • [Presentation] Energy dissipation and collisions of singular structures in classical and quantum turbulence2008

    • Author(s)
      Y. Shiga, T. Miyazaki, W, Kubo, T.Nakano, and T. Gotoh
    • Organizer
      Symposium on Fluid Science and Turbulence
    • Place of Presentation
      Johns Hopkins Univ
    • Related Report
      2008 Final Research Report
  • [Presentation] Computational Physics of Turbulence2007

    • Author(s)
      T.Gotoh
    • Organizer
      APCOM'07 in conjunction with EPMESC XI
    • Place of Presentation
      京都国際会館
    • Year and Date
      2007-12-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] 格子ボルツマン法による一様等方乱流の数値計算2007

    • Author(s)
      米本隆, 後藤俊幸, 渡邊威
    • Organizer
      研究集会乱流現象及び多自由度系の動力学, 構造と統計法則
    • Place of Presentation
      九州大学応用力学研究所
    • Year and Date
      2007-11-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 古典乱流と量子乱流2007

    • Author(s)
      宮崎 功也, 久保 渉, 中野 徹, 後藤 俊幸
    • Organizer
      九州大学応用力学研究所 研究集会「乱流現象及び多自由度系の動力学構造と統計法則」
    • Place of Presentation
      九州大学応用力学研究所
    • Year and Date
      2007-11-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] 格子ボルツマン法による一様等方乱流の数値計算2007

    • Author(s)
      米本 隆 後藤 俊幸 渡邊 威
    • Organizer
      九州大学応用力学研究所研究集会「乱流現象及び多自由度系の動力学構造と統計法則」
    • Place of Presentation
      九州大学応用力学研究所
    • Year and Date
      2007-11-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] 格子ボルツマン法による一様等方乱流の数値計算2007

    • Author(s)
      渡邊 威, 後藤 俊幸
    • Organizer
      日本流体力学会中部支部講演会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2007-11-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] パッシブスカラー乱流におけるスカラーフラックススペクトルの振る舞い2007

    • Author(s)
      渡邊威, 後藤俊幸
    • Organizer
      日本流体力学会
    • Place of Presentation
      東大駒場
    • Year and Date
      2007-08-08
    • Related Report
      2008 Final Research Report
  • [Presentation] パッシブスカラー乱流におけるスカラーフラックススペクトルの振る舞い2007

    • Author(s)
      渡邊 威, 後藤 俊幸
    • Organizer
      日本流体力学会年会
    • Place of Presentation
      東京大学駒場
    • Year and Date
      2007-08-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] Computational Physics of Turbulence2007

    • Author(s)
      T. Gotoh
    • Organizer
      APCOM
    • Place of Presentation
      Kyoto
    • Related Report
      2008 Final Research Report

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

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