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Open AccessArticle

Analysis of the Wind Environment to Improve the Thermal Comfort in the Colonnade Space of a Qilou Street Based on the Relative Warmth Index

by 1,2,*, 1,2 and 1
1
College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China
2
Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University, Nanning 530004, China
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(16), 4402; https://doi.org/10.3390/su11164402
Received: 23 July 2019 / Revised: 10 August 2019 / Accepted: 12 August 2019 / Published: 14 August 2019
(This article belongs to the Section Sustainable Urban and Rural Development)
By analyzing measurements of the thermal environment of a qilou (arcade building) street, this study used the relative warmth index (RWI) to evaluate the thermal comfort in the colonnade space of a qilou. The analysis of the influence of the temperature, humidity, and wind speed on the thermal comfort in the colonnade space of a qilou street was conducted, and it was shown that the ambient wind speed had a strong influence on the RWI, indicating that a proper increase in the wind speed positively affected thermal comfort in this space. Then, this study also analyzed the effects of different forms of qilou streets on the wind environment by employing computational fluid dynamics (CFD) and summarized the architectural design measures that can improve the thermal comfort, including adopting back chamfer, street gaps, and the appropriate sizing of building components. It was concluded that the wind environment of a qilou could be optimized in terms of these measures, and the average RWI value decreased by 0.06, effectively enhancing the thermal comfort in the colonnade space. The research findings are applicable toward designing a thermally comfortable environment in the transitional space. View Full-Text
Keywords: qilou; colonnade space; thermal comfort; relative warmth index; urban and architectural design measures qilou; colonnade space; thermal comfort; relative warmth index; urban and architectural design measures
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Huang, X.; Lu, Z.; Zhuang, Z. Analysis of the Wind Environment to Improve the Thermal Comfort in the Colonnade Space of a Qilou Street Based on the Relative Warmth Index. Sustainability 2019, 11, 4402.

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