Simulation of atmospheric pollutant dispersion considering a bi-flux process and fractional derivatives
Sign Up to like & getrecommendations! Published in 2020 at "Atmospheric Pollution Research"
DOI: 10.1016/j.apr.2019.09.015
Abstract: Abstract In this paper, we present an analytical solution of the fractional two-dimensional advection–diffusion equation with a bi-flow evolutionary model, which represents a modification of Fick's law applied to the dispersion of pollutants in the… read more here.
Keywords: considering flux; atmospheric pollutant; simulation atmospheric; dispersion considering ... See more keywords
Simulation and assessment of traffic pollutant dispersion at an urban signalized intersection using multiple platforms
Sign Up to like & getrecommendations! Published in 2021 at "Atmospheric Pollution Research"
DOI: 10.1016/j.apr.2021.101087
Abstract: Abstract Evaluating the performance of air quality models for roadside traffic exhaust dispersion is critical to sustainable environmental development and urban pollution management. This study introduces three models, namely CAL3QHC, ENVI-met and ANSYS Fluent, to… read more here.
Keywords: dispersion; urban signalized; ansys fluent; signalized intersection ... See more keywords
Numerical analysis of pollutant dispersion around elongated buildings: an embedded large eddy simulation approach.
Sign Up to like & getrecommendations! Published in 2018 at "Atmospheric environment"
DOI: 10.1016/j.atmosenv.2018.05.053
Abstract: High fidelity, scale-resolving numerical simulations of flow and pollutant dispersion around several elongated isolated buildings are presented in this paper. The embedded large eddy simulation (ELES) is used to model flow and concentration fields for… read more here.
Keywords: embedded large; large eddy; elongated buildings; eddy simulation ... See more keywords
Evaluation of computational and physical parameters influencing CFD simulations of pollutant dispersion in building arrays
Sign Up to like & getrecommendations! Published in 2018 at "Building and Environment"
DOI: 10.1016/j.buildenv.2018.04.005
Abstract: Abstract Many CFD studies have investigated the influence of computational parameters on the predicted concentration distribution of pollutants around isolated buildings, but such studies for building arrays are still lacking. This study systematically evaluated the… read more here.
Keywords: dispersion building; building arrays; dispersion; physical parameters ... See more keywords
Lattice-Boltzmann large-eddy simulation of pollutant dispersion in complex urban environment with dense gas effect: Model evaluation and flow analysis
Sign Up to like & getrecommendations! Published in 2019 at "Building and Environment"
DOI: 10.1016/j.buildenv.2018.11.009
Abstract: Abstract The goal of this study is to assess the performance of an innovative Lattice Boltzmann (LB) - Large Eddy Simulation (LES) approach in simulating neutral and stratified pollutant dispersion in complex urban environments. Different… read more here.
Keywords: dispersion; lattice boltzmann; boltzmann large; large eddy ... See more keywords
Numerical investigations of reactive pollutant dispersion and personal exposure in 3D urban-like models
Sign Up to like & getrecommendations! Published in 2020 at "Building and Environment"
DOI: 10.1016/j.buildenv.2019.106569
Abstract: Abstract With satisfactory validation by experimental data, we perform computational fluid dynamic(CFD) simulations with the standard k-e model to investigate how NO–NO2–O3 photochemistry and turbulent mixing influence reactive pollutant dispersion and vehicular NOx exposure in… read more here.
Keywords: street; reactive pollutant; exposure; dispersion ... See more keywords
A novel approach to simulate pollutant dispersion in the built environment: Transport-based recurrence CFD
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DOI: 10.1016/j.buildenv.2019.106604
Abstract: Abstract The large-scale practical application of Large-Eddy Simulation (LES) for predicting long-term wind flow and pollutant dispersion in urban areas is inhibited mainly by the associated very large computational costs. To overcome this difficulty, the… read more here.
Keywords: transport based; dispersion; based recurrence; pollutant dispersion ... See more keywords
The effects of lateral entrainment on pollutant dispersion inside a street canyon and the corresponding optimal urban design strategies
Sign Up to like & getrecommendations! Published in 2021 at "Building and Environment"
DOI: 10.1016/j.buildenv.2021.107740
Abstract: Abstract Intensive traffic emissions have caused many environmental problems and have a negative effect on public health. With the aim of mitigating these problems, it is essential to figure out how the flow structure affects… read more here.
Keywords: entrainment; street; lateral entrainment; pollutant dispersion ... See more keywords
Modelling of pollutant dispersion with atmospheric instabilities in an industrial park
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DOI: 10.1016/j.powtec.2016.08.062
Abstract: Large Eddy Simulation (LES) combined with a dynamic Smagorinsky subgrid scale model was used to simulate the wind field and particulate pollutant dispersion considering the effects of plant canopies and weather conditions. The model of… read more here.
Keywords: pollutant dispersion; plant canopy; force; plant ... See more keywords
Experimental study of airflow and pollutant dispersion in cross-ventilated multi-room buildings: Effects of source location and ventilation path
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DOI: 10.1016/j.scs.2019.101822
Abstract: Abstract Indoor air quality (IAQ) problem and associated health risks, determined by the indoor air pollutant, are of great concern in modern society. This paper presents a detailed experimental study of pollutant dispersion and airflow… read more here.
Keywords: multi room; ventilation path; cross; dispersion ... See more keywords
Numerical Simulation of Turbulent Flow and Pollutant Dispersion in Urban Street Canyons
Sign Up to like & getrecommendations! Published in 2019 at "Atmosphere"
DOI: 10.3390/atmos10110683
Abstract: In this study, we have developed a numerical model based on an open source Computational Fluid Dynamics (CFD) package OpenFOAM, in order to investigate the flow pattern and pollutant dispersion in urban street canyons with… read more here.
Keywords: street; urban street; dispersion urban; pollutant dispersion ... See more keywords