Review on pollutant dispersion in urban areas-part A: Effects of mechanical factors and urban morphology

Z Li, T Ming, S Liu, C Peng, R de Richter, W Li… - Building and …, 2021 - Elsevier
Cities are facing significant challenges due to low outdoor air quality. Hence, a growing
number of studies have been conducted to develop strategies for improving air quality. This …

Recent advancements in numerical modelling of flow and dispersion in urban areas: a short review

S Di Sabatino, R Buccolieri… - International Journal of …, 2013 - inderscienceonline.com
This paper reviews recent findings in the field of flow and pollutant dispersion modelling
around buildings and within complex urban geometries. Complexity is not only associated to …

Performance evaluation of a multiscale modelling system applied to particulate matter dispersion in a real traffic hot spot in Madrid (Spain)

JL Santiago, B Sanchez, C Quaassdorff… - Atmospheric Pollution …, 2020 - Elsevier
Urban air pollution is one of the most important environmental problems nowadays.
Understanding urban pollution is rather challenging due to different factors that produce a …

Effect of moving vehicles on pollutant dispersion in street canyon by using dynamic mesh updating method

Q Wang, W Fang, R de Richter, C Peng… - Journal of Wind …, 2019 - Elsevier
Moving vehicles exert a considerable influence on air flow and turbulence within urban
street canyons, which is an important consideration for the pollutant dispersion and thus …

A study on the rotational behaviour of a Savonius Wind turbine in low rise highways during different monsoons

S Santhakumar, I Palanivel… - Energy for Sustainable …, 2017 - Elsevier
This work describes the behaviour of a vertical axis Savonius Wind Turbine (SWT) in Four-
way lane highways during South-West and North-East monsoons. A vertical axis SWT was …

The effect of turbulence induced by different kinds of moving vehicles in street canyons

C Cai, T Ming, W Fang, R De Richter, C Peng - Sustainable Cities and …, 2020 - Elsevier
The turbulence induced by moving vehicles influences the flow field and pollutant dispersion
in street canyons. In this paper, an ambient crosswind-vehicle movement mathematical …

[HTML][HTML] Clean air in cities: Impact of the layout of buildings in urban areas on pedestrian exposure to ultrafine particles from traffic

L Zhu, D Ranasinghe, M Chamecki, MJ Brown… - Atmospheric …, 2021 - Elsevier
Traffic-related pollutant concentrations are typically much higher in near-roadway
microenvironments, and pedestrian and resident exposures to air pollutants can be …

An Integrated Field Study of Turbulence and Dispersion Variations in Road Microenvironments

S Xiang, S Zhang, P Brimblecombe, YT Yu… - Environmental …, 2024 - ACS Publications
Traffic-related air pollutants (TRAPs) emitted from vehicle tailpipes disperse into nearby
microenvironments, posing potential exposure risks. Thus, accurately identifying the …

Characterization of dispersion and ultrafine-particle emission factors based on near-roadway monitoring Part II: Heavy duty vehicles

S Xiang, YT Yu, Z Hu, KE Noll - Aerosol and Air Quality Research, 2019 - Springer
This paper presents a comprehensive set of ultrafine particles (UFPs) emission factors (EFs)
for heavy duty vehicles (HDVs) as a function of vehicle flow rate, speed, and mode of …

Evaluation of the relationship between momentum wakes behind moving vehicles and dispersion of vehicle emissions using near-roadway measurements

YT Yu, S Xiang, KE Noll - Environmental Science & Technology, 2020 - ACS Publications
A parameterization of initial vertical dispersion coefficient (σ z, init) was developed for
incorporation into California line source dispersion model, version 4 (CALINE4) and …