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A study on investigating on mechanisms and modelling for momentum & scalar transferring brought by complex urban canopy turbulence

Research Project

Project/Area Number 25289196
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Architectural environment/Equipment
Research InstitutionKyushu University

Principal Investigator

Tanimoto Jun  九州大学, 総合理工学研究科(研究院), 教授 (60227238)

Co-Investigator(Kenkyū-buntansha) HAGISHIMA Aya  九州大学, 大学院総合理工学研究院, 准教授 (60294980)
IKEGAYA Naoki  九州大学, 大学院総合理工学研究院, 助教 (70628213)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000)
Fiscal Year 2015: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2013: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
Keywords都市キャノピー / 運動量・スカラー輸送 / 都市気候 / 風洞模型実験 / CFD / LES / PIV / Large Eddy Simulation / スカラー輸送 / 風洞実験 / 運動量輸送
Outline of Final Research Achievements

To dedicate for elaborating prediction on heat island, urban canyon environment and its thermal comfort, a series of systematic explorations; consisting of wind-tunnel experiments, PIV visualizations, and intrigued CFD approaches have been tackled, which leads to holistic understanding on various complex effects brought by urban canopy turbulence. In practice, we elucidated there is an acting universal scaling law between transferring momentum and transferring scalar significantly affected by the urban-canopy turbulence. By means of PIV technique, we explored how secondary roughness elements like overhangs qualitatively affect on amount of ventilation between inside and above urban canopy. Also, we do with numerical experiments based on LES so as to account the spatial distribution of pressure coefficient on an exterior wall that significantly affects on building ventilation, and to qualitatively evaluate gust risk for walking people in an urban street.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Annual Research Report
  • 2013 Annual Research Report
  • Research Products

    (20 results)

All 2016 2015 2014 2013 Other

All Journal Article (11 results) (of which Peer Reviewed: 10 results,  Acknowledgement Compliant: 4 results) Presentation (9 results)

  • [Journal Article] Effect of turbulent flow on wall pressure coefficients of block arrays within urban boundary layer2016

    • Author(s)
      (1)Ikegaya,N., Hirose,C., Hagishima,A., Tanimoto,J.
    • Journal Title

      Building and Environment

      Volume: 100 Pages: 28-39

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Wind-tunnel study of scalar transfer phenomena for surfaces of block arrays and smooth walls with dry patches2015

    • Author(s)
      (7)Chung,J., Hagishima,A., Ikegaya,N, Tanimoto,J.;
    • Journal Title

      Boundary-Layer Meteorology

      Volume: 157 Pages: 219-236

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 立方体粗度面上の速度・濃度プロファイルの相似性2015

    • Author(s)
      池谷直樹,鄭朱娟,萩島理,谷本潤
    • Journal Title

      日本建築学会環境系論文集

      Volume: 80 (711) Pages: 451-459

    • NAID

      130005084005

    • Related Report
      2015 Annual Research Report
  • [Journal Article] stimation of wind speed in urban pedestrian spaces on the basis of Large-Eddy Simulation2015

    • Author(s)
      (18)Ikeda,Y., Hagishima,A., Ikegaya,N., Tanimoto,J., Razak,Azki Abd
    • Journal Title

      日本建築学会環境系論文集

      Volume: 80 (709) Pages: 259-267

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Wind Tunnel Study on Effect of Scalar Transport between Urban-like Block Array and Air2014

    • Author(s)
      Juyeon Chung, Aya Hagishima, Naoki Ikegaya, Jun Tanimoto
    • Journal Title

      Proceedings of The 2nd Asia Conference of International Building Performance Simulation Association

      Volume: 1 Pages: 769-777

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] On The Effect Of Various Design Factors On Wind-Induced Natural Ventilation Of Residential Buildings In Malaysia2014

    • Author(s)
      Mohd Faizal Mohamad, Aya Hagishima, Naoki Ikegaya, Jun Tanimoto, Abdul Rahman Omar
    • Journal Title

      Proceedings of The 2nd Asia Conference of International Building Performance Simulation Association

      Volume: 1 Pages: 139-146

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Large-Eddy Simulation On The Gust Probability In Urban Pedestrian Spaces2014

    • Author(s)
      Yasuaki Ikeda, Aya Hagishima, Naoki Ikegaya, Jun Tanimoto
    • Journal Title

      Proceedings of The 2nd Asia Conference of International Building Performance Simulation Association

      Volume: 1 Pages: 276-283

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Large-Eddy Simulation for Turbulent Nature of Flow and Pressure Fields over Urban Building Arrays2014

    • Author(s)
      Chiyoko Hirose, Aya Hagishima, Naoki Ikegaya, Azli Abd Razak
    • Journal Title

      Proceedings of the 2nd Asia Conference of International Building Performance Simulation Association

      Volume: 1 Pages: 778-785

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Particle image velocimetry measurement of unsteady turbulent flow around regularly arranged high-rise building models2013

    • Author(s)
      Sato,T., Hagishima,A., Ikegaya,N., Tanimoto,J.
    • Journal Title

      International Journal of High-Rise Buildings

      Volume: 2 (2) Pages: 105-113

    • NAID

      120005397814

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Omar Abdul Rahman; Wind-induced natural ventilation in typical single story terraced houses in Malaysia2013

    • Author(s)
      Mohamad Mohd Faizal1, Hagishima,A, Tanimoto,J., Ikegaya,N.
    • Journal Title

      Proc. of 13th Building Simulation 2013

      Volume: 13

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stochastic characteristics of thermal load in a single dwelling in a residential building based on building energy simulation coupled with a sub-model for considering variation on behavior schedules of residents2013

    • Author(s)
      Hagishima,A, Tanimoto,J., Ikegaya,N., Mitsuyasu,S.
    • Journal Title

      Proc. of 13th Building Simulation 2013

      Volume: 13

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Presentation] 都市境界層風洞内におけるスパイヤー後流と乱流境界層気流の干渉に関する基礎的検討2014

    • Author(s)
      池谷直樹,ヌルイザトゥルアティカ,萩島理,谷本潤
    • Organizer
      日本流体力学会年会
    • Place of Presentation
      東北大学
    • Year and Date
      2014-09-16
    • Related Report
      2014 Annual Research Report
  • [Presentation] Characteristics of spatio-temporal fluctuation of urban pedestrian wind derived from Large-Eddy Simulation2014

    • Author(s)
      Yasuaki Ikeda, Naoki Ikegaya, Aya Hagishima, Jun Tanimoto, Azli Abd Razak
    • Organizer
      6th international symposium on computational wind engineering CWE2014
    • Place of Presentation
      Hamburg (Germany)
    • Year and Date
      2014-06-09
    • Related Report
      2014 Annual Research Report
  • [Presentation] Investigation on flow distribution based on the quadrant analysis over urban-like roughness2014

    • Author(s)
      Naoki Ikegaya, Aya Hagishima, Jun Tanimoto
    • Organizer
      6th international symposium on computational wind engineering CWE2014
    • Place of Presentation
      Hamburg (Germany)
    • Year and Date
      2014-06-09
    • Related Report
      2014 Annual Research Report
  • [Presentation] Geometric effects on wind environment in simplified urban canopies2014

    • Author(s)
      N ikegaya, Y ikeda, A hagishima, J tanimoto
    • Organizer
      1st International Conference on Computational Engineering and Science for Safety and Environmental Problems
    • Place of Presentation
      Sendai
    • Year and Date
      2014-04-15
    • Related Report
      2014 Annual Research Report
  • [Presentation] 都市歩道空間の風環境評価のためのLarge-Eddy Simulation

    • Author(s)
      池田恭彰,萩島理,池谷直樹,谷本潤,RazakAzli
    • Organizer
      第27回数値流体力学シンポジウムCFD2013
    • Place of Presentation
      名古屋大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] 都市キャノピー上空の乱流構造が運動量輸送に及ぼす影響の解明

    • Author(s)
      池谷直樹,萩島理,谷本潤
    • Organizer
      第27回数値流体力学シンポジウムCFD2013
    • Place of Presentation
      名古屋大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] 都市粗度群空気力学パラメータの同定方法に関する考察

    • Author(s)
      池谷直樹,萩島理,谷本潤
    • Organizer
      日本建築学会大会(北海道)学術講演会
    • Place of Presentation
      北海道大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] 高アスペクト比模型群周囲の非定常乱流場に関するPIV計測

    • Author(s)
      佐藤幹,萩島理,谷本潤,池谷直樹
    • Organizer
      ,日本建築学会大会(北海道)学術講演会
    • Place of Presentation
      北海道大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] 都市大気境界層上空の対数領域における空気力学パラメータ同定方法の考察

    • Author(s)
      池谷直樹,萩島理,谷本潤
    • Organizer
      日本風工学会年次研究発表会
    • Place of Presentation
      北海道大学
    • Related Report
      2013 Annual Research Report

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Published: 2013-05-21   Modified: 2019-07-29  

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