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Simulation of dispersion in a street canyon using the DALES model
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Series / Report no.
RIVM kennisnotitie KN-2025-0024
Open Access
Type
Language
en
Date
2025-06-16
Research Projects
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Journal Issue
Title
Simulation of dispersion in a street canyon using the DALES model
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Abstract
Accurate assessment of air quality in urban environments, important for the health of many people, can be challenging. A relatively new development in the assessment is the use of numerical Large-Eddy Simulations. In the project discussed here, the Dutch Atmospheric Large-Eddy Simulation (DALES) model is used to calculate the concentrations due to traffic in street canyons. The DALES model can simulate the concentration at a high temporal and spatial resolution and was successfully used by us to model the flow and concentrations in a street canyon. The results of the calculations are quite similar to measurements found in literature. Some differences are observed and discussed in our analyses.
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Publisher
Rijksinstituut voor Volksgezondheid en Milieu RIVM