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Numerical Study of Urban Canyon Microclimate Related to Geometrical Parameters

Author

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  • Andrea De Lieto Vollaro

    (Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy)

  • Giuseppe De Simone

    (Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy)

  • Roberto Romagnoli

    (Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy)

  • Andrea Vallati

    (Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy)

  • Simone Botillo

    (Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy)

Abstract

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.

Suggested Citation

  • Andrea De Lieto Vollaro & Giuseppe De Simone & Roberto Romagnoli & Andrea Vallati & Simone Botillo, 2014. "Numerical Study of Urban Canyon Microclimate Related to Geometrical Parameters," Sustainability, MDPI, vol. 6(11), pages 1-12, November.
    • Handle: RePEc:gam:jsusta:v:6:y:2014:i:11:p:7894-7905:d:42102
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    References listed on IDEAS

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    1. Asdrubali, F. & Presciutti, A. & Scrucca, F., 2013. "Development of a greenhouse gas accounting GIS-based tool to support local policy making—application to an Italian municipality," Energy Policy, Elsevier, vol. 61(C), pages 587-594.
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    1. Andrea De Lieto Vollaro & Giorgio Galli & Andrea Vallati, 2015. "CFD Analysis of Convective Heat Transfer Coefficient on External Surfaces of Buildings," Sustainability, MDPI, vol. 7(7), pages 1-12, July.
    2. Gabriele Battista & Emiliano Carnielo & Luca Evangelisti & Marco Frascarolo & Roberto De Lieto Vollaro, 2015. "Energy Performance and Thermal Comfort of a High Efficiency House: RhOME for denCity, Winner of Solar Decathlon Europe 2014," Sustainability, MDPI, vol. 7(7), pages 1-15, July.
    3. Toparlar, Y. & Blocken, B. & Maiheu, B. & van Heijst, G.J.F., 2017. "A review on the CFD analysis of urban microclimate," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 1613-1640.
    4. Andrea Vallati & Stefano Grignaffini & Marco Romagna, 2015. "RETRACTED: A New Method to Energy Saving in a Micro Grid," Sustainability, MDPI, vol. 7(10), pages 1-16, October.
    5. Jiying Liu & Mohammad Heidarinejad & Saber Khoshdel Nikkho & Nicholas W. Mattise & Jelena Srebric, 2019. "Quantifying Impacts of Urban Microclimate on a Building Energy Consumption—A Case Study," Sustainability, MDPI, vol. 11(18), pages 1-21, September.
    6. Hong Jin & Liang Qiao & Peng Cui, 2020. "Study on the Effect of Streets’ Space Forms on Campus Microclimate in the Severe Cold Region of China—Case Study of a University Campus in Daqing City," IJERPH, MDPI, vol. 17(22), pages 1-20, November.
    7. Chong Peng & Tingzhen Ming & Jianquan Cheng & Yongjia Wu & Zhong-Ren Peng, 2015. "Modeling Thermal Comfort and Optimizing Local Renewal Strategies—A Case Study of Dazhimen Neighborhood in Wuhan City," Sustainability, MDPI, vol. 7(3), pages 1-20, March.
    8. Chong Peng & Chu Li & Zuyu Zou & Suwan Shen & Dongqi Sun, 2015. "Improvement of Air Quality and Thermal Environment in an Old City District by Constructing Wind Passages," Sustainability, MDPI, vol. 7(9), pages 1-21, September.
    9. Jose-Manuel Almodovar-Melendo & Joseph-Maria Cabeza-Lainez, 2018. "Environmental Features of Chinese Architectural Heritage: The Standardization of Form in the Pursuit of Equilibrium with Nature," Sustainability, MDPI, vol. 10(7), pages 1-19, July.
    10. Ahmed Yasser Abdelmejeed & Dietwald Gruehn, 2023. "Optimization of Microclimate Conditions Considering Urban Morphology and Trees Using ENVI-Met: A Case Study of Cairo City," Land, MDPI, vol. 12(12), pages 1-32, December.

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