Assessing the impact of the envelope’s dynamic thermal transmittance on dwelling’s cooling performance with respect to the occupants’ thermal comfort

Karanafti, Aikaterina; Theodosiou, Theodoros

doi:10.1080/23744731.2022.2074730

Cited by 3 publications

(1 citation statement)

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“…In order to achieve the carbon-neutral target set for 2050, it is estimated that by 2030 all new built and about 20% of the existing buildings must be of zero-carbon [1]. Among the existing legislations thermal insulation is considered as the dominant element for energy efficiency, nevertheless, recent studies demonstrate that conventional static insulation is responsible for a serious overheating phenomenon in areas with nocturnal temperatures lower than the maximum thermal comfort temperature [2]. In this direction, adaptive technologies have been developed, allowing the envelope to modify its properties according to the prevailing climatic conditions.…”

Section: Introductionmentioning

confidence: 99%

Analysing the existing dynamic insulation technologies focusing on buildings’ renovation – A review

Karanafti

Theodosiou

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Towards the achievement of zero-emission buildings, conventional envelope solutions have started to become outdated. The concept of Dynamic thermal insulation is an innovative approach, still under development, that attracts a continuously and fast growing scientific and research interest, mainly due to its perfect alignment with the targets of a zero-carbon future. The aim of this study is to investigate a variety of such systems that are capable to adjust the envelope’s thermal resistance based on the building’s needs. The study follows a two-levelled categorization approach. Initially, the classification focuses on whether an assembly switches or varies its thermal properties within a range, whilst the operating principle is used for further categorization. The systems under investigation, are further categorized based on their adequacy as a measure for the implementation on existing buildings’ energy retrofit. This innovative categorization takes into consideration properties like operational and control complexity, mechanical equipment requirements, construction simplicity, cost, etc. The results reveal great potential for this technology and indicate a need for further investigation on issues related to their sustainability potential in new or in existing buildings.

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Section: Introductionmentioning

confidence: 99%