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2008 Fiscal Year Final Research Report

Development of CFD model for reproducing aerodynamic effects of moving automobiles and pedestrians its application to analyses on outdoor environment within high dense cities

Research Project

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Project/Area Number 18206061
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Architectural environment/equipment
Research InstitutionTohoku University

Principal Investigator

MOCHIDA Akashi  Tohoku University, 大学院・工学研究科, 教授 (00183658)

Co-Investigator(Kenkyū-buntansha) MARUYAMA Takashi  京都大学, 防災研究所, 准教授 (00190570)
Co-Investigator(Renkei-kenkyūsha) YOSHINO Hiroshi  東北大学, 大学院・工学研究科, 教授 (30092373)
TOMINAGA Sadahide  新潟工科大学, 工学部, 教授 (00278079)
UEMATSU Yasushi  東北大学, 大学院・工学研究科, 教授 (60151833)
SASAKI Kiyoshi  清水建設株式会社技術研究所, 施設基盤技術センター, 研究員 (50416814)
SAKAIDA Kiyotaka  東北大学, 大学院・環境科学研究科, 教授 (10133927)
WATANABE Hironori  東北工業大学, 工学部, 教授 (60247236)
TAKEYAMA Yasushi  八戸工業大学, 工学部, 教授 (20207012)
ONODA Yasuaki  東北大学, 大学院・工学研究科, 教授 (00185654)
Project Period (FY) 2006 – 2009
Keywords建築環境 / 設備
Research Abstract

(1) 仙台中心市街地において詳細な実測を行い、実在市街地の風環境、空気汚染、温熱環境の実態および自動車や歩行者がそれらに及ぼす影響を明らかにした。
(2) 自動車模型、歩行者模型を一面に並べた風洞実験を行い、自動車群や歩行者群の総体としての空力特性や流れ場への影響に関する基礎データを取得した。
(3) 自動車群・歩行者群の流体力学的影響を記述する新たなCFDモデルを開発し、(2) の風洞実験の結果に基づきモデルを最適化した。
(4)(3) で開発したモデルを用いて、(1) の実測を行った街区を対象に解析を実施し、モデルの精度検証を行った。
(5) 開発したモデルを用いて仙台市定禅寺通の実際の環境を解析し、自動車排ガスによる空気汚染や温熱環境改善のための方策を検討した。

  • Research Products

    (11 results)

All 2008 2007 2006 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (7 results) Remarks (1 results)

  • [Journal Article] 高層建物後流弱風域におけるガス拡散性状に関するLESとDurbin型k-eモデルの比較2008

    • Author(s)
      白澤多一, 遠藤芳信, 義江龍一郎, 持田灯, 田中英之
    • Journal Title

      日本建築学会環境系論文集 73-627

      Pages: 615-622

    • Peer Reviewed
  • [Journal Article] Examining tree canopy models for CFD prediction of wind environment at pedestrian level2008

    • Author(s)
      A. Mochida, Y. Tabata, T. Iwata, H. Yoshino
    • Journal Title

      Journal of Wind Engineering and Industrial Aerodynamics Vol.96

      Pages: 1667-1677

    • Peer Reviewed
  • [Journal Article] Prediction of wind environment and thermal comfort at pedestrian level in urban area2008

    • Author(s)
      A. Mochida, I. Y.F.Lun
    • Journal Title

      Journal of Wind Engineering and Industrial Aerodynamics Vol.96

      Pages: 1498-1527

    • Peer Reviewed
  • [Presentation] Modeling of aerodynamic effects of moving automobiles for CFD prediction of turbulent flow in urban area2008

    • Author(s)
      A. Mochida
    • Organizer
      The 5th Japanese-German Meeting on Urban Climatology
    • Place of Presentation
      Freiburg(German)
    • Year and Date
      2008-10-07
  • [Presentation] Field measurement and CFD analysis on thermal environment and ventilation efficiency in street canyons to investigate the influence of roadside trees, moving automobiles and building arrangements2008

    • Author(s)
      A.Kikuchi
    • Organizer
      The 5th Japanese-German Meeting on Urban Climatology
    • Place of Presentation
      Freiburg(German)
    • Year and Date
      2008-10-07
  • [Presentation] Development of CFD Model for Reproducing Aerodynamic Effects of Moving Automobiles in Street Canyon2008

    • Author(s)
      A. Mochida
    • Organizer
      the 4th International Conference on Advances in Wind and Structures
    • Place of Presentation
      JejuIsland(Korea)
    • Year and Date
      2008-05-30
  • [Presentation] FIELD STUDY OF THE INFLUENCES OF ROADSIDE TREES AND MOVING AUTOMOBILES ON TURBULENT DIFFUSION OF AIR POLLUTANTS AND THERMAL ENVIRONMENT IN URBAN STREET CANYONS2007

    • Author(s)
      A. Kikuchi
    • Organizer
      The 6th International Conference on Indoor Air Quality, Ventilation & Energy Conservation in Buildings
    • Place of Presentation
      Sendai(Japan)
    • Year and Date
      2007-10-30
  • [Presentation] 自動車走行が市街地環境に及ぼす流体力学的影響を記述するCFDサブモデルの開発2006

    • Author(s)
      田畑侑一
    • Organizer
      第19回風工学シンポジウム
    • Place of Presentation
      Tokyo(Japan)
    • Year and Date
      2006-11-29
  • [Presentation] Development of the simulation method for thermal environment and pollutant diffusion in street canyons with subgrid scale obstacles2006

    • Author(s)
      Naoko Hataya
    • Organizer
      The Fourth International Symposium on Computational Wind Engineering
    • Place of Presentation
      Yokohama(Japan)
    • Year and Date
      2006-07-18
  • [Presentation] CFD Analyses on Outdoor Thermal Environment and Air Pollutant Diffusion in Street Canyons under the Influences of Moving Automobiles2006

    • Author(s)
      Naoko Hataya
    • Organizer
      6TH INTERNATIONAL 6TH INTERNATIONAL
    • Place of Presentation
      Goteborg(Sweden)
    • Year and Date
      2006-06-13
  • [Remarks]

    • URL

      http://www.archi.tohoku.ac.jp/labs-pages/kankyo/index.html

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Published: 2010-06-10   Modified: 2016-04-21  

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