The impact of greenery on improving thermal performance of historic housing in hot-arid climate

Al Qaed, Abeer and Patterson, Joanne ORCID: https://orcid.org/0000-0002-4440-159X 2024. The impact of greenery on improving thermal performance of historic housing in hot-arid climate. Presented at: 1st International Conference of Net Zero Carbon Built Environment, University of Nottingham, UK, 3 - 5 July 2024. Published in: Al Qaed, Abeer and Patterson, Joanne ORCID: https://orcid.org/0000-0002-4440-159X eds. Proceedings 1st International Conference of Net Zero Carbon Built Environment. University of Nottingham, UK: University of Nottingham, pp. 1-8.

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Abstract

This study examines the impact of courtyard vegetation, particularly Neem trees, on outdoor thermal comfort within the courtyards of three houses in Bahrain, characterized by a hot-arid climate. Radiation dynamics—including Incident Radiation, Mean Radiant Temperature (MRT), and Universal Thermal Climate Index (UTCI)—were assessed under two simulated scenarios: one without Neem trees and the other with Neem trees in the courtyards, evaluating their cooling effect on the microclimate. Conducted on July 27th, the hottest day of the year in the region, the simulations demonstrate a substantial reduction in incident radiation across the three case studies. For instance, House C exhibits an annual reduction of incident radiation up to 30% with trees compared to scenarios without trees. Significant reductions in MRT and correlated drops in UTCI—up to 3.5°C in House A—underscore the microclimate influence of courtyard trees, emphasizing their role in enhancing the thermal performance of the courtyard.

Item Type:	Conference or Workshop Item (Paper)
Status:	Published
Schools:	Architecture Engineering Cardiff Work Environment Research Centre (CWERC)
Subjects:	N Fine Arts > NA Architecture S Agriculture > S Agriculture (General) T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TD Environmental technology. Sanitary engineering T Technology > TH Building construction
Publisher:	University of Nottingham
Funders:	Cardiff University, University of Bahrain
Date of First Compliant Deposit:	16 August 2024
Date of Acceptance:	1 March 2024
Last Modified:	16 Aug 2024 14:15
URI:	https://orca.cardiff.ac.uk/id/eprint/171431

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