Energy Investigation Framework: understanding buildings from an energy perspective view.

Ianakiev, A. ORCID: 0000-0002-1413-8110, Galadanci, A.S., Kromanis, R. ORCID: 0000-0003-3477-1666 and Robinson, J. ORCID: 0000-0002-2991-5189, 2020. Energy Investigation Framework: understanding buildings from an energy perspective view. Journal of Building Engineering, 28: 101046. ISSN 2352-7102

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According to the United Nations Global Status Report 2017, buildings and construction account for 36% of the global energy use and 39% of energy related carbon dioxide emissions [1]. A prudent design and accurate construction of energy efficient buildings are mandatory to reduce both global energy consumption and carbon dioxide emissions. The desired outcome can be achieved by (i) increasing the construction of low energy buildings, which are designed to sustain desired indoor temperature with a minimal energy input, (ii) and improving the energy performance of existing buildings. Some buildings underperform by gaining or losing more heat than needed. This study introduces a framework for investigating building energy performance. Thermography investigation, building modelling, characterization of thermal bridges and future prediction for overheating are encapsulated in the proposed framework. A sport changing facility, which was designed as a low energy building, serves as a demonstrator for the application of the framework. The energy investigation framework revealed that the facility is underperforming. According to the building model, the main reason for the poor building performance is thermal bridging (presence of steel members), which increases gas consumption and wall heat-loss by 18% and 11%, respectively. Other contributors to heat lose/gain are cracks in the building envelop, weak mortar joints and uninsulated hot water pipes. Furthermore, the future temperature data, which is input to the building model, suggests that the entire facility is under the risk of overheating.

Item Type: Journal article
Publication Title: Journal of Building Engineering
Creators: Ianakiev, A., Galadanci, A.S., Kromanis, R. and Robinson, J.
Publisher: Elsevier
Date: March 2020
Volume: 28
ISSN: 2352-7102
Divisions: Schools > School of Architecture, Design and the Built Environment
Record created by: Linda Sullivan
Date Added: 05 Nov 2019 08:53
Last Modified: 31 May 2021 15:14

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