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An Investigation on Using Passive Cooling Roofs Techniques for Improving Climatic Performance of Residential Buildings in Hot Arid Regions based on Post-Occupancy Evaluation of Inhabitants’ Thermal Comfort Appreciations
Laboratory of Design and Modeling of Architectural Ambiances and Urban Forms (LACOMOFA), Department of Architecture, Mohamed Khider University of Biskra, BP 145 RP, Biskra, 07000, Algeria.
Laboratory of Design and Modeling of Architectural Ambiances and Urban Forms (LACOMOFA), Department of Architecture, Mohamed Khider University of Biskra, BP 145 RP, Biskra, 07000, Algeria.
Malmö University, Faculty of Culture and Society (KS), Department of Urban Studies (US).ORCID iD: 0000-0001-7754-0927
LGCA laboratory, Department of Architecture, Abderrahmane Mira University, Bejaia, Algeria.
2022 (English)In: Technium Social Sciences Journal, E-ISSN 2668-7798, Vol. 36, p. 685-699Article in journal (Refereed) Published
Abstract [en]

 In hot dry climates, employing passive cooling roofs systems can providecooling needs with less amount of electrical energy. Furthermore, when focusing onliving spaces in terms of indoor thermal comfort and energy performance issues,occupant’s interaction with the building should not be underestimated. Recent studieswith occupant-based focus have shown that human behaviour significantly impactsenergy consumption, even more than building design. Likewise, understandingoccupant’s interactions within buildings plays a key role in enhancing the indoorenvironment performance. To examine the potential for cooling load reduction andthermal comfort enhancement by using cool roofs in residential buildings, a study wasperformed. Considering a sample of twelve multi-story houses located in the city ofBiskra (southern Algeria), thermal comfort conditions were analysed on the basis of apost-occupancy evaluation (POE) survey and in situ recorded measurementscampaign. The POE household survey indicated that out of 43 respondents, 54%perceive indoor thermal conditions as “hot” during summer period, while 79.33% ofthem operate HVAC device day and night. Using interviews, the study also exploressocial acceptability toward implementing passive roofing techniques. Results showedthat cool roof and cool tiles were the best accepted systems with 100% and 90% votedstrongly agree. Furthermore, the potential of thermal comfort and energy-efficiencyimprovements due to cool roofs was investigated through a dynamic simulation usingTRNSYS software. Results indicated that air temperature was reduced by an averageof 4.11°C to 3.28°C, and cooling loads have decreased to 508.60kWh/m² and384.54kWh/m² respectively during the hottest period of summer. Therefore, user-centric satisfaction as a research method would enhance future buildings design.

Place, publisher, year, edition, pages
TechniumScience , 2022. Vol. 36, p. 685-699
Keywords [en]
Post occupancy evaluation (POE), occupants’ behaviour, energy consumption thermal comfort prediction, cool roofing techniques, social acceptability, hot arid climate.
National Category
Building Technologies
Research subject
Sustainable studies
Identifiers
URN: urn:nbn:se:mau:diva-57463DOI: 10.47577/tssj.v36i1.7527OAI: oai:DiVA.org:mau-57463DiVA, id: diva2:1727185
Available from: 2023-01-15 Created: 2023-01-15 Last updated: 2023-09-06Bibliographically approved

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Dabaieh, Marwa

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