Enhancing building energy efficiency estimation by integrating microclimate conditions

Shashwat, Shashwat, Zingre, Kishor and Thurairajah, Niraj (2022) Enhancing building energy efficiency estimation by integrating microclimate conditions. In: Proceedings 38th Annual ARCOM Conference. ARCOM, London, pp. 731-740. ISBN 9780995546363

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The building sector accounts for over a third of greenhouse gas emissions nationwide and 36 of energy consumption globally. Urban settlements alone are responsible for around 70 of carbon dioxide emissions. Building performance simulation tools (e.g., EnergyPlus) are frequently used to conduct energy calculations which use weather data (obtained from weather stations) as one of the boundary conditions. However, it is hypothesised that the energy calculations are more dependent on microclimatic conditions, leading to inaccuracy in energy estimations. Therefore, a new approach by integrating a microclimate tool (i.e., ENVI-MET) with a building performance simulation tool to enhance the accuracy of energy estimations is proposed in this study. A comparative analysis using computational tools was carried out for a real-scale typical UK residential settlement and it was observed that there is a distinctive difference (around 1°C) caused by the microclimate for both the summer as well as the winter period.

Item Type: Book Section
Additional Information: The 38th Annual ARCOM Conference 2022: Build Back Wiser, ARCOM 2022; Glasgow, 5-7 Sep 2022
Uncontrolled Keywords: Building energy, CFD simulation, ENVI-MET, microclimate modelling
Subjects: K100 Architecture
K200 Building
Department: Faculties > Engineering and Environment > Architecture and Built Environment
Depositing User: John Coen
Date Deposited: 21 Dec 2022 14:54
Last Modified: 21 Dec 2022 15:15
URI: https://nrl.northumbria.ac.uk/id/eprint/50980

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