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Open AccessArticle

Numerical Study of Urban Canyon Microclimate Related to Geometrical Parameters

Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
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Sustainability 2014, 6(11), 7894-7905; https://doi.org/10.3390/su6117894
Received: 12 June 2014 / Revised: 30 July 2014 / Accepted: 31 October 2014 / Published: 7 November 2014
In this study a microclimate analysis on a particular urban configuration: the—street canyon—has been carried out. The analysis, conducted by performing numerical simulations using the finite volumes commercial code ANSYS-Fluent, shows the flow field in an urban environment, taking into account three different aspect ratios (H/W). This analysis can be helpful in the study on urban microclimate and on the heat exchanges with the buildings. Fluid-dynamic fields on vertical planes within the canyon, have been evaluated. The results show the importance of the geometrical configuration, in relation to the ratio between the height (H) of the buildings and the width (W) of the road. This is a very important subject from the point of view of “Smart Cities”, considering the urban canyon as a subsystem of a larger one (the city), which is affected by climate changes. View Full-Text
Keywords: urban canyon; computational fluid dynamics (CFD); solar radiation urban canyon; computational fluid dynamics (CFD); solar radiation
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De Lieto Vollaro, A.; De Simone, G.; Romagnoli, R.; Vallati, A.; Botillo, S. Numerical Study of Urban Canyon Microclimate Related to Geometrical Parameters. Sustainability 2014, 6, 7894-7905.

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