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Effects of building envelope features on airflow and pollutant dispersion within a symmetric street canyon
Building envelope features (BEFs) have attracted more and more attention as they have a significant impact on flow structure and pollutant dispersion...
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Air pollutant dispersion around high-rise building cluster forms: the case of Port City, Colombo, Sri Lanka
Air quality in dense urban environments is a growing concern, especially in rapidly develo** cities. In the face of growing traffic associated with...
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Evaluation on ventilation and traffic pollutant dispersion in asymmetric street canyons with void decks
With continuous global warming, growing urban population density, and increasing compactness of urban buildings, the “void deck” street canyon design...
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Reduced-order modeling for parameterized large-eddy simulations of atmospheric pollutant dispersion
Map** near-field pollutant concentration is essential to track plume dispersion in urban areas. By solving most of the turbulence spectrum,...
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Modelling the influence of road elevation on pollutant dispersion
Local urban air quality models must be able to account for complex road geometries if they are to predict near-road concentrations accurately. This...
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Surrogate modelling for the forecast of Seveso-type atmospheric pollutant dispersion
This paper presents a framework for the development of a computationally-efficient surrogate model for air pollution dispersion. Numerical simulation...
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Fractional Atmospheric Pollutant Dispersion Equation in a Vertically Inhomogeneous Planetary Boundary Layer: an Analytical Solution Using Conformable Derivatives
This study aims to investigate the potential of fractional derivatives in the mathematical modelling of the dispersion of air pollutants. For this...
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Effects of void deck on the airflow and pollutant dispersion in 3D street canyons
In general, urban canyons are the areas most clearly affected by traffic pollutants since the ability of the canyon to self-ventilate is inhibited...
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Influence of wind direction on the ventilation and pollutant dispersion in different 3D street canyon configurations: numerical simulation and wind-tunnel experiment
Configuration of street canyon and the wind environment have a great influence on the self-ventilation capacity of the canyon, but the couple-effect...
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Analysis of Dispersion of the Pollutant PM2.5 by the “La Leña” Poultry Shop with the Langrangian Model in the Province of Huancayo 2020
In the present work we seek to analyze the dispersion of the PM2.5 pollutant by the “La Leña” poultry shop with the Langrangian model in the province...
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Atmospheric Dispersion
This chapter develops some of the common mathematical methods used to design heights of chimney stacks for ensuring safe dispersion of atmospheric...
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New insights on precise regulation of pollutant distribution inside a street canyon by different vegetation planting patterns
Mixed-vegetation planting patterns are commonly seen in urban areas for specific reasons like aesthetic, cooling, and particle deposition effects of...
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Impacts of specific street geometry on airflow and traffic pollutant dispersion inside a street canyon
In this study, a validated CFD model is used to analyze the flow field and pollutant distribution in an isolated canyon (street aspect ratio, W / H = 1)...
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Study of regional air pollutant dispersion scenarios and atmospheric capacity changes based on spatial structure analysis of source intensity—the case of Hohhot, China
This paper takes Hohhot as the research area, aiming at the four typical atmospheric pollutants of PM 2.5 , PM 10 , SO 2, and NOx, and targeting the...
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The dispersion of various pollutants emitted from truck and passenger vehicles: a wind-tunnel study
In recent years, investigation of the dispersion of exhaust gas from vehicles has received increasing attention in various studies using various...
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Evaluation of the ventilation and pollutant exposure risk level inside 3D street canyon with void deck under different wind directions
With continuous global warming, growing urban population density, and increasing compactness of urban buildings, VD (void deck) street design has...
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Joint identification of contaminant source and dispersion coefficients based on multi-observed reconstruction and ensemble Kalman filtering
Accurate and efficient identification of pollution sources is a key process that assists in the treatment of water pollution incidents. The ensemble...
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Free water surface constructed wetlands: review of pollutant removal performance and modeling approaches
Free water surface constructed wetlands (FWSCWs) for the treatment of various wastewater types have evolved significantly over the last few decades....
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Indoor-outdoor pollutant concentration modelling: a comprehensive urban air quality and exposure assessment
This paper is devoted to the investigation of the relationship between concentrations of traffic-related pollutants at pedestrian level in the street...
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Simulation of pollutant diffusion in vegetation open channel based on LBM-CA method
This paper proposes a pollution diffusion model that accurately assesses changes in instantaneous river pollution in vegetation open channels. The...
