Articles with "street canyons" as a keyword



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Effect of asymmetrical street canyons on pedestrian thermal comfort in warm-humid climate of Cuba

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Published in 2017 at "Theoretical and Applied Climatology"

DOI: 10.1007/s00704-017-2204-8

Abstract: Walkability and livability in cities can be enhanced by creating comfortable environments in the streets. The profile of an urban street canyon has a substantial impact on outdoor thermal conditions at pedestrian level. This paper… read more here.

Keywords: street; effect asymmetrical; asymmetrical street; thermal comfort ... See more keywords
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Pseudo-simultaneous measurements for the spatial-temporal characteristics of accumulation and coarse mode particles near an urban viaduct within street canyons

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Published in 2019 at "Atmospheric Pollution Research"

DOI: 10.1016/j.apr.2019.06.005

Abstract: Abstract This study aimed to assess the effects of viaduct settings, meteorological and traffic conditions on the vertical and horizontal distributions of particle number concentrations (PNCs) and particle number size distributions (PNSDs) for accumulation and… read more here.

Keywords: street; viaduct; accumulation coarse; street canyons ... See more keywords
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Assessment of pollutant dispersion in urban street canyons based on field synergy theory

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Published in 2020 at "Atmospheric Pollution Research"

DOI: 10.1016/j.apr.2020.11.015

Abstract: Abstract Vehicle emissions are an important factor in the deterioration of air quality in urban street canyons. To improve the air quality in urban street canyons, it is necessary to have a deep understanding of… read more here.

Keywords: street; pollution; urban street; field synergy ... See more keywords
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Guidelines for passive control of traffic-related air pollution in street canyons: An overview for urban planning

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Published in 2021 at "Landscape and Urban Planning"

DOI: 10.1016/j.landurbplan.2020.103980

Abstract: Abstract Recent studies indicate the necessity of addressing traffic-related air pollution in urban environments, as street canyons are known for their lack of natural ventilation and increased pollution levels. To address this issue, numerous studies… read more here.

Keywords: related air; pollution; urban planning; traffic related ... See more keywords
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How dynamic growth of avenue trees affects particulate matter dispersion: CFD simulations in street canyons

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Published in 2020 at "Sustainable Cities and Society"

DOI: 10.1016/j.scs.2020.102331

Abstract: Abstract This study combined parameterized tree growth model, Reynolds Averaged Navier–Stokes model and revised generalized drift flux model to investigate the effect of dynamic growth of avenue trees on atmospheric particulate pollution dispersion in street… read more here.

Keywords: street; growth avenue; dynamic growth; street canyons ... See more keywords
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Intercomparison of two modeling approaches for traffic air pollution in street canyons

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Published in 2019 at "Urban Climate"

DOI: 10.1016/j.uclim.2018.11.006

Abstract: Abstract We present an intercomparison of two models applied to a major boulevard in a Paris suburb accounting for building effects: (1) a computational fluid dynamics (CFD) model providing a detailed three-dimensional representation of the… read more here.

Keywords: street; approaches traffic; modeling approaches; intercomparison two ... See more keywords
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Simulation of air pollution dispersion in Dhaka city street canyon

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Published in 2021 at "AIP Advances"

DOI: 10.1063/5.0033948

Abstract: Pollutant dispersion in urban areas has been a key concern in densely populated cities because pollutants can negatively impact human health and the environment. Topography and urban obstructions, such as buildings, greatly affect the atmospheric… read more here.

Keywords: street; air; dispersion; dhaka city ... See more keywords
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Modal Expansion Approach for Electromagnetic Propagation in Street Canyons

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Published in 2019 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2018.2883683

Abstract: We present a simple and efficient model to compute electromagnetic (EM) propagation in urban street canyons, when transmitting and receiving antennas are located below the rooftop level. A parallel-plate dielectric hollow waveguide model of the… read more here.

Keywords: propagation; street; modal expansion; expansion approach ... See more keywords
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Convective dispersion of heat and airborne pollutants inside street canyons under the influence of urban ground heat flows

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Published in 2017 at "Indoor and Built Environment"

DOI: 10.1177/1420326x17706186

Abstract: This paper reports a computational fluid dynamics simulation of airflow and species dispersion inside street canyons and building blocks simultaneously. Urban thermal boundary flows could cause a profound effect on the dispersion of pollutant scalars… read more here.

Keywords: inside street; street; heat pollutant; dispersion ... See more keywords
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Air Quality Improvement in Urban Street Canyons: An Assessment of the Effects of Selected Traffic Management Strategies Using OSPM Model

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Published in 2023 at "Applied Sciences"

DOI: 10.3390/app13116431

Abstract: Constantly changing vehicle stock, modification of road infrastructure, and other conditions result in a need to update the knowledge on the effectiveness of individual traffic management strategies, which could form the basis for actions taken… read more here.

Keywords: traffic; street canyons; air quality;
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Numerical Simulation of Turbulent Flow and Pollutant Dispersion in Urban Street Canyons

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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