Assessing overheating risk and thermal comfort in state-of-the-art prototype houses that combat exacerbated climate change in UK
Ozarisoy, B. and Elsharkawy, H. 2019. Assessing overheating risk and thermal comfort in state-of-the-art prototype houses that combat exacerbated climate change in UK. Energy and Buildings. 187, pp. 201-217.
|Authors||Ozarisoy, B. and Elsharkawy, H.|
There is growing evidence that terraced houses—thermally lightweight, well insulated, naturally ventilated with three exposed wall surfaces—are at risk of overheating, especially in south-eastern England. The aim of this study is to evaluate the building performance and develop a reliable building simulation, which will be employed in the second phase of the study: developing affordable and feasible passive design strategies to support the energy-efficient building systems of the construction industry. This paper reports on the results from the first phase of the study where a quantitative methodology, including indoor and outdoor environmental monitoring, in-situ measurements and building simulation modelling, was adopted. The performance of a case study was modelled and simulated via employing Integrated Environmental Solutions (IES) software suite.
The results from the base-case were analysed according to the adaptive thermal comfort of Chartered Institution of Building Services Engineers (CIBSE) Technical Memorandum 52 guidelines: The Limits of Thermal Comfort—Avoiding Overheating in European Buildings. The spaces studied within the case study house were observed to exceed the acceptable limits of thermal comfort; particularly, the large bedroom within this zone exceeded the upper limit for overheating up to 11 hours daily. Furthermore, the results from the monitoring study indicate a high risk of summertime overheating across all the case study settings, especially during short-term peaks in outdoor temperatures. The main reasons for the problematic thermal performance were identified as well-insulated and fully air-tight building fabric, the lack of sufficient ventilation through the living spaces and excessive heat gains through the composite cladding material.
|Journal||Energy and Buildings|
|Journal citation||187, pp. 201-217|
|Accepted author manuscript|
|Digital Object Identifier (DOI)||doi:10.1016/j.enbuild.2019.01.030|
|Web address (URL)||https://doi.org/10.1016/j.enbuild.2019.01.030|
|Online||25 Jan 2019|
|Publication process dates|
|Deposited||11 Feb 2019|
|Accepted||15 Jan 2019|
|Accepted||15 Jan 2019|
|Copyright information||© 2019 Elsevier|
Accepted author manuscript
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