Impact factors on airflow and pollutant dispersion in urban street canyons and comprehensive simulations: A review

Y Zhang, Z Gu, CW Yu - Current Pollution Reports, 2020 - Springer
Abstract Purpose of Review The air quality management within urban street canyons can be
improved by enhancing ventilation for dispersion of pollutants. The purpose of this review is …

Representing the effects of building height variability on urban canopy flow

J Lu, N Nazarian, MA Hart… - Quarterly Journal of …, 2024 - Wiley Online Library
We conducted large‐eddy simulations over 98 urban arrays with varying building densities
and height distributions. Compared with uniform‐height urban arrays, the influence of height …

[HTML][HTML] Investigating the influence of neighbouring structures on natural ventilation potential of a full-scale cubical building using time-dependent CFD

MF King, HL Gough, C Halios, JF Barlow… - Journal of Wind …, 2017 - Elsevier
Building location and orientation with respect to incident wind angle are important
parameters in determining wind-driven natural ventilation. Experimentally measured façade …

The impact of urban block typology on pollutant dispersion

FT da Silva, NC Reis Jr, JM Santos, EV Goulart… - Journal of Wind …, 2021 - Elsevier
Block typology is a central component for urban planning and a key element to represent the
urban form, which affects the airflow. Therefore, the aim of this work consists of investigating …

Influence of urban form on air quality: The combined effect of block typology and urban planning indices on city breathability

FT da Silva, NC Reis Jr, JM Santos, EV Goulart… - Science of the Total …, 2022 - Elsevier
Urban morphology affects airflow, causing pollutant accumulation within the urban canopy.
Urban planning can regulate urban form by applying such strategies as defining urban block …

[HTML][HTML] Modelling urban airflow and natural ventilation using a GPU-based lattice-Boltzmann method

MF King, A Khan, N Delbosc, HL Gough, C Halios… - Building and …, 2017 - Elsevier
Simulation of urban airflow and ventilation potential is desirable for building design,
however the complex and transient nature of flows in urban environments makes this a …

Turbulence characteristics across a range of idealized urban canopy geometries

LP Blunn, O Coceal, N Nazarian, JF Barlow… - Boundary-Layer …, 2022 - Springer
Good representation of turbulence in urban canopy models is necessary for accurate
prediction of momentum and scalar distribution in and above urban canopies. To develop …

Are urban-canopy velocity profiles exponential?

IP Castro - Boundary-Layer Meteorology, 2017 - Springer
Using analyses of data from extant direct numerical simulations and large-eddy simulations
of boundary-layer and channel flows over and within urban-type canopies, sectional drag …

Study of realistic urban boundary layer turbulence with high-resolution large-eddy simulation

M Auvinen, S Boi, A Hellsten, T Tanhuanpää, L Järvi - Atmosphere, 2020 - mdpi.com
This study examines the statistical predictability of local wind conditions in a real urban
environment under realistic atmospheric boundary layer conditions by means of Large-Eddy …

Drag distribution in idealized heterogeneous urban environments

BS Sützl, GG Rooney, M van Reeuwijk - Boundary-Layer Meteorology, 2021 - Springer
Large-eddy simulations of nine idealized heterogeneous urban morphologies with identical
building density and frontal area index are used to explore the impact of heterogeneity on …