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Climate Change Sensitive Overheating Assessment in Dwellings: A Case Study in Belgium
Rahif, Ramin; Fani, Abdulrahman; kosinski, Piotr et al.
2021In Helsen, Lieve (Ed.) Proceeding of the International Building Simulation Conference
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Keywords :
Overheating; Climate change; Passive House
Abstract :
[en] Due to the current rate of global warming, overheating in buildings is expected to be more frequent and intense in future climates. High indoor temperature affects occupant productivity, comfort, and health. Thus, it is necessary to predict the thermal performance of buildings concerning climate change. This paper applies a climate change sensitive overheating assessment method to a lightweight timber house in Eupen, Belgium. Three metrics are used, namely Indoor Overheating Degree (𝐼𝑂𝐷), Ambient Warmness Degree (𝐴𝑊𝐷), and Building Climate Vulnerability Factor (𝐵𝐶𝑉𝐹). The overheating risk is assessed under four climate scenarios representing historical and future scenarios using dynamic simulation tool EnergyPlus v9.0. This method accounts for overheating severity and frequency, considering zonal occupancy profiles and thermal comfort models. The results indicate BCVF<1 for the Passive House case study showing its high potential in suppressing the outdoor thermal stress in the long-term. Finally, the increase in ventilation rate proves to be an adequate measure by decreasing the zonal peak temperatures up to 10℃ and indoor overheating risk by ~60%.
Research center :
Sustainable Building Design Lab
Disciplines :
Energy
Author, co-author :
Rahif, Ramin  ;  Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments
Fani, Abdulrahman
kosinski, Piotr;  Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Heweliusza Street 10, 10-724 Olsztyn, Poland
Attia, Shady  ;  Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments
Language :
English
Title :
Climate Change Sensitive Overheating Assessment in Dwellings: A Case Study in Belgium
Publication date :
01 September 2021
Event name :
Building Simulation 2021 Conference
Event organizer :
International Building Performance Simulation Association
Event place :
Bruges, Belgium
Event date :
1-3 September 2021
By request :
Yes
Audience :
International
Main work title :
Proceeding of the International Building Simulation Conference
Author, co-author :
Helsen, Lieve
Publisher :
KU Leuven, Leuven, Belgium
Pages :
30125-30131
Peer reviewed :
Peer reviewed
Name of the research project :
[OCCuPANt] Impacts of climate change on buildings in Belgium during summer
Funders :
ULiège - Université de Liège [BE]
Available on ORBi :
since 12 September 2021

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