Evaluation of a building’s cooling performance under the walls’ dynamic thermal resistance

Karanafti, Aikaterina; Theodosiou, Theodoros

doi:10.1080/15567036.2021.2015014

Cited by 3 publications

(1 citation statement)

References 27 publications

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“…A potential wall and roof application in summer months was evaluated for Italian climatic conditions making use of the EnergyPlus Airflow network to simulate the cavity, resulting in a possible 43% cooling needs reduction. Studying the same system only for nocturnal operation instead, via a simpler simulation technique for the climatic conditions of Greece, the researchers modified the walls' thermal resistance from 1.65(m²•K)/W to 0.36(m²•K)/W and concluded in a systems' important ability to lower the cooling needs over 65% in certain areas [14].…”

Section: Ventilated Facadesmentioning

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Towards the achievement of zero-emission buildings, conventional envelope solutions have started to become outdated.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: Ventilated Facadesmentioning

confidence: 99%