INFLUENCE OF BUILDING DENSITY AND ROOF SHAPE ON THE WIND AND DISPERSION CHARACTERISTICS IN AN URBAN AREA: A NUMERICAL STUDY

Georgios Theodoridis; Nicolas Moussiopoulos

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INFLUENCE OF BUILDING DENSITY AND ROOF SHAPE ON THE WIND AND DISPERSION CHARACTERISTICS IN AN URBAN AREA: A NUMERICAL STUDY

机译：建筑密度和屋面形状对城市风和分散特性的影响：数值研究

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The Computational Fluid Dynamics code CFX-TASCflow is used for simulating the wind flow and pollutant concentration patterns in two-dimensional wind-tunnel models of an ur- ban area. Several two-dimensional multiple street canyon configurations are studied corresponding to different area densities and roof shapes. A line source of a tracer gas is placed at the bottom of one street canyon for modelling street-level traffic emissions. The flow fields resulting from the simulations correspond to the patterns observed in street canyons.

机译：计算流体动力学代码CFX-TASCflow用于模拟城市区域的二维风洞模型中的风流和污染物浓度模式。根据不同的区域密度和屋顶形状，研究了几种二维的多条街道峡谷构造。示踪气体的线源放置在一个街道峡谷的底部，用于模拟街道级别的交通排放。模拟产生的流场与在街道峡谷中观察到的模式相对应。

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来源
《Environmental Monitoring and Assessment》 |2000年第2期|p.407-415|共9页
作者
Georgios Theodoridis; Nicolas Moussiopoulos;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类环境科学、安全科学;
关键词
urban air-pollution; dispersion; computational fluid dynamics;

机译：城市空气污染;分散;计算流体动力学;

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1. Impact of viaduct on flow reversion and pollutant dispersion in 2D urban street canyon with different roof shapes - Numerical simulation and wind tunnel experiment [J] . Ding Shuo, Huang Yuandong, Cui Pengyi, The Science of the Total Environment . 2019,第JUNa25期

机译：高架桥对不同屋顶形状的二维城市街道峡谷内流向和污染物扩散的影响-数值模拟和风洞实验
2. Impact of viaduct on flow reversion and pollutant dispersion in 2D urban street canyon with different roof shapes - Numerical simulation and wind tunnel experiment [J] . Ding Shuo, Huang Yuandong, Cui Pengyi, The Science of the Total Environment . 2019,第Juna25期

机译：高架桥对不同屋顶形状2D城市街道峡谷流量逆转和污染物分散的影响 - 数值模拟与风洞实验
3. Computational analysis of pollutant dispersion in urban street canyons with tree planting influenced by building roof shapes [J] . Bouarbi Lakhdar, Abed Bouabdellah, Bouzit Mohamed Wind & structures . 2016,第6期

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5. Numerical evaluation of wind-induced dispersion of pollutants around buildings. [D] . Li, Ye. 1999

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6. Wind Tunnel Tests for Wind Pressure Distribution on Gable Roof Buildings [O] . Xiao-kun Jing, Yuan-qi Li 2013

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7. Urban wind energy: empirical optimization of high-rise building roof shape for the wind energy exploitation [O] . Toja Silva Francisco 2015

机译：城市风能：高层建筑屋顶形状对风能开发的经验优化

INFLUENCE OF BUILDING DENSITY AND ROOF SHAPE ON THE WIND AND DISPERSION CHARACTERISTICS IN AN URBAN AREA: A NUMERICAL STUDY

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