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Cooling and heating energy performance of a building with a variety of roof designs; the effects of future weather data in a cold climate


Cooling and heating energy performance of a building with a variety of roof designs; the effects of future weather data in a cold climate

Hosseini, Mirata, Tardy, François and Lee, Bruno ORCID: https://orcid.org/0000-0003-2059-6641 (2018) Cooling and heating energy performance of a building with a variety of roof designs; the effects of future weather data in a cold climate. Journal of Building Engineering, 17 . pp. 107-114. ISSN 23527102

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Official URL: https://doi.org/10.1016/j.jobe.2018.02.001


Building engineers commonly use the Typical Meteorological Year (TMY) weather data for simulation and design purposes. However, the nature of TMY in excluding weather extremes makes them less suitable to investigate the effect of potential climate change on building design as climate change likely increases the frequency and magnitude of those extreme conditions. The current practice of designing buildings has lacked a clear method to incorporate future climate change trends. An approach is used to compare present weather simulation results of a commercial building with varying roof reflectance and insulation thermal resistance parameters with future year-by-year results which are affected by potential climate change. Future weather data for year-by-year simulations is obtained by “morphing” historical weather data with a General Circulation Model (HadCM3). Mean energy consumption and optimal roof configurations are discussed with regards to climate change over the study period, and are compared to results obtained with TMY data. Results show that increased roof solar reflectance always lead to less mean and less variant cooling energy consumption. The study shows the importance of considering possible future climate scenarios and in building energy performance design.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Building, Civil and Environmental Engineering
Item Type:Article
Authors:Hosseini, Mirata and Tardy, François and Lee, Bruno
Journal or Publication:Journal of Building Engineering
Date:May 2018
Digital Object Identifier (DOI):10.1016/j.jobe.2018.02.001
Keywords:Roof design, Weather uncertainty, Climate change, Building energy performance, Morphing, Typical meteorological year (TMY), Actual meteorological year (AMY), Cold climate.
ID Code:983613
Deposited By: ALINE SOREL
Deposited On:26 Mar 2018 19:40
Last Modified:26 Mar 2020 00:00


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