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dc.contributor.authorBorg, Ruben Paul-
dc.identifier.citationBorg, R. B. (2006). The thermal performance of ventilated roofs. EPIC 2006 AIVC, European Conference on Energy Performance & Indoor Climate in Buildings. Lyon.en_GB
dc.description.abstractThe potential for passive cooling of roof slabs incorporating an air cavity is important with respect to thermal comfort. Roof systems in traditional buildings, incorporated a ventilated roof or an air cavity. The concept has been proposed again in contemporary buildings in the construction of roof slabs, using a modular formwork system, where the cast in situ concrete slab is isolated from the screed with the introduction of a ventilated air space. The cavity is primarily intended to curtail the conduction and inward radiation of heat from the intense solar insolation on the concrete roof. An experimental investigation was conducted for summer and winter conditions, where a traditional monolithic slab and a slab incorporating a cavity were analysed. Results indicated that during the cold season, a ventilated cavity looses more heat to the outdoor environment, and is ideally unventilated. It was revealed that in summer the ventilated cavity reduces heat transfer in the flat roofs, improves comfort conditions and potentially reduces the overall cooling load. A strategy for further research on the thermal performance of ventilated flat roofs is proposed, based on further laboratory investigation, and the monitoring and assessment of buildings.en_GB
dc.subjectNatural ventilationen_GB
dc.subjectEnergy conservationen_GB
dc.subjectEnergy development -- Environmental aspectsen_GB
dc.subjectSustainable buildings -- Materialsen_GB
dc.subjectEnergy efficiencyen_GB
dc.subjectEnergy systemsen_GB
dc.titleThe thermal performance of ventilated roofsen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.bibliographicCitation.conferencenameEPIC 2006 AIVC, European Conference on Energy Performance & Indoor Climate in Buildingsen_GB
dc.bibliographicCitation.conferenceplaceLyon, France, November 2006en_GB
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