Regression forecasting of ‘neutral’ adaptive thermal comfort: A field study investigation in the south-eastern Mediterranean climate of Cyprus

Article


Ozarisoy, B. and Altan, H. 2021. Regression forecasting of ‘neutral’ adaptive thermal comfort: A field study investigation in the south-eastern Mediterranean climate of Cyprus. Building and Environment. 202 (108013), pp. 1-39. https://doi.org/10.1016/j.buildenv.2021.108013
AuthorsOzarisoy, B. and Altan, H.
Abstract

Numerous field studies have found that occupants’ thermal comfort varies with local climate conditions. However, there is no generally recommended acceptable comfort range for multifamily residential buildings, nor are there specific adaptive thermal comfort prediction methods, particularly in South-eastern Mediterranean countries. We investigated an in-vivo experience of social householders’ thermal sensation votes to predict in- dividual aspects of adaptive thermal comfort and influences on its validity in purpose built residential tower blocks of a post-war social housing estate in Famagusta, Cyprus. We conducted field studies, which included on- site questionnaire surveys, environmental monitoring and in-situ physical measurements, on 36 base-case representative archetype buildings over 288 flats where the weather is subtropical (Csa) and partly semi-arid (Bsh). 118 flats were successfully recruited. A moderate correlation was found between the occupants’ ther- mal sensation and the indoor air temperature (r = 0.215, p < 0.05), while a negative moderate correlation was found with the outdoor air temperature (r = − 0.325, p < 0.01). The occupants’ thermal sensation vote indicated that the ‘neutral’ temperature was 28.5 ◦C, and the upper limit of the comfort range in warm indoor air tem- perature conditions was 31.5 ◦C. This suggests that, in hot and dry climates in which thermally uncomfortable indoor environments occur, particularly in summer, occupants appear to tolerate a warmer condition than at other high and medium altitudes. The outcome of this study contributes to the development of the ASHRAE Global Thermal Comfort Database II where there is not any data available for the Cypriot context.

KeywordsAdaptive thermal comfort; Environmental monitoring; Field studies; Questionnaire survey; Regression forecasting; Social housing
JournalBuilding and Environment
Journal citation202 (108013), pp. 1-39
ISSN0360-1323
Year2021
PublisherElsevier
Accepted author manuscript
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Digital Object Identifier (DOI)https://doi.org/10.1016/j.buildenv.2021.108013
Web address (URL)https://doi.org/10.1016/j.buildenv.2021.108013
Publication dates
Online04 Jun 2021
Publication process dates
Submitted20 Feb 2021
Accepted25 May 2021
Deposited17 Nov 2021
Underpinning dataSupplementary data for 'Regression forecasting of ‘neutral’ adaptive thermal comfort: A field study investigation in the south-eastern Mediterranean climate of Cyprus'
Copyright holderElsevier
Copyright information© 2021 Elsevier Ltd
Additional information

This article is a research outcome of the PhD thesis entitled 'Assessing the Domestic Energy Use and Thermal Comfort of Occupants in a Post-war Social Housing Development Estate in Famagusta, Northern Cyprus

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