Computed wind speed coefficient map in red and difference between computed and experimental data

 

WIND ASSESSMENT IN URBAN AREA WITH CFD TOOLS

APPLICATION TO NATURAL VENTILATION POTENTIAL AND OUTDOOR PEDESTRIAN COMFORT

 

The paper presents a numerical methodology to assess wind pedestrian comfort and natural ventilation.

UrbaWind is an automatic computational fluid dynamics code. It was developed to model the wind in urban environments.

The turbulence modelling, namely the dependance of turbulence length on the distance from wall, and the model constants, were calibrated in order to reproduce with good agreements the flow separation around buildings walls.

Numerical results match well with the experiments: separation patterns, pressure field on wall, wind speed in dense urban area.

Two examples are presented at the end of the paper in order to show the advantages of the methodology for urban designers.

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Wind-assessment-in-urban-area-with-CFD-tools---application-to-natural-ventilation-potential-and-outdoor-pedestrian-comfort

Cover-White-paper-Numerical-assessment-of-wind-pedestrian-comfort-in-complex-urban-spaces

 

 

Wind pedestrian comfort - White paper

 

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