Prediction of wind environment and thermal comfort at pedestrian level in urban area

Akashi Mochida, Isaac Y.F. Lun

Research output: Journal PublicationArticlepeer-review

259 Citations (Scopus)


This paper reviews the recent developments in CWE research for predicting the pedestrian level wind and thermal environments in urban areas, primarily achieved by the researchers in the field of environmental engineering in Japan. First the progress in turbulence models in the last decade and in their applications to the problems related to wind climate is briefly reviewed, and the results of Architectural Institute of Japan (AIJ) collaborative project in cross comparisons of CFD results of wind environments are presented. Next, recent achievements in the field of modeling canopy flows for reproducing the aerodynamic and thermal effects of trees, buildings and automobiles are outlined. Examples of numerical results obtained using tree and vehicle canopy models are shown to demonstrate the significant effects of stationary and non-stationary subgrid scale flow obstacles on turbulent flowfield within street canyons.

Original languageEnglish
Pages (from-to)1498-1527
Number of pages30
JournalJournal of Wind Engineering and Industrial Aerodynamics
Issue number10-11
Publication statusPublished - Oct 2008
Externally publishedYes


  • Pedestrian level wind environment
  • Subgrid scale flow obstacles
  • Thermal comfort
  • Tree canopy
  • Urban Heat Islands
  • Vehicle canopy

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Mechanical Engineering


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