Numerical Simulation on Wind Environment of the Square with High-Rises

DOI

10.2991/cmfe-15.2015.119How to use a DOI?

Keywords

computational fluid dynamics, square, numerical simulation, high-rise, turbulence model

Abstract

A SST turbulence model is applied to solve the Reynolds Averaged Navier-Stokes Equations in numerically simulating the 3D steady wind flow field around the square with high-rise buildings in atmospheric boundary layer. The aerodynamic prediction was supported by velocity data collected in field measurement of 240 points from an campus square. Then a detailed parametric study is performed on velocity distribution. The parameters include wind attack angle, green belt length and the distance between green belts. The analysis results show that numerical simulation is a feasible way to study the wind environment around square and the distributing of velocity. The green belts accelerates the air flow parallel to it. The effect of acceleration depends mainly on the distance between the green belts rather than the length of the green belts. When the wind is southeast or northwest, the maximums velocity in pedestrian height are between buildings. The curved green belts can improve the wind environment rather than linear green belts. The research provides a foundation for the wind resistance design of squares.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Hong Xiao
AU  - Liang Sun
AU  - Na Wang
PY  - 2015/07
DA  - 2015/07
TI  - Numerical Simulation on Wind Environment of the Square with High-Rises
BT  - Proceedings of the International Conference on Chemical, Material and Food Engineering
PB  - Atlantis Press
SP  - 508
EP  - 510
SN  - 2352-5401
UR  - https://doi.org/10.2991/cmfe-15.2015.119
DO  - 10.2991/cmfe-15.2015.119
ID  - Xiao2015/07
ER  -