Hygrothermal exposure in a nearly zero-energy school during heat waves

[en] This study aims to inform the building designers about hygrothermal exposure risks in nearly zero-energy schools and the importance of evaluating these risks during short-term extreme heat events. The hygrothermal exposure in the reference school was evaluated using a metric called heat index [°C], which calculates the level of hygrothermal risks using air temperature [°C] and relative humidity [%]. Using DesignBuilder, a calibrated nearly zero-energy school energy model was created by Attia et al. (2020a) and then simulated using EnergyPlus. The building model was simulated for a 7-day heat wave. The study results confirm that the reference nearly zero-energy school from Brussels is highly susceptible to hygrothermal exposure with a risk level of caution for 98% of the occupied time during the heat wave. The study findings highlight the need to enhance the Belgian Energy Performance of Buildings Directive (EPBD) calculation methods and incorporate hygrothermal discomfort indicators to accurately depict the exposure risks due to the impacts of climate change.

Research Center/Unit :

Sustainable Building Design Lab

Disciplines :

Civil engineering
Architecture

Author, co-author :

Amaripadath, Deepak ; Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments

Hamdy, Mohamed

Velickovic, Mirjana

Attia, Shady ; Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments

Language :

English

Title :

Hygrothermal exposure in a nearly zero-energy school during heat waves

Publication date :

04 September 2023

Event name :

18th Building Simulation Conference

Event organizer :

International Building Performance Simulation Association

Event place :

Shanghai, China

Event date :

04-06 September 2023

By request :

Yes

Audience :

International

Main work title :

Proceedings of Building Simulation 2023: 18th Conference of IBPSA

Author, co-author :

Pan, Yiqun

Yan; Da

Publisher :

Tongji University, Shanghai, China

Pages :

48-54

Peer reviewed :

Peer reviewed

Development Goals :

11. Sustainable cities and communities
3. Good health and well-being

European Projects :

H2020 - 847587 - BEWARE2 - BElgian WAllonia REsearcher FELLOWSHIPS 2

Name of the research project :

Project SurChauffe: Overheating indicator and calculation method for Walloon buildings

Funders :

SPW - Public Service of Wallonia
EU - European Union

Funding number :

847587

Funding text :

The European researchers were funded by the SPW, Belgium, under BEWARE fellowships and EU MSCA through contract no. 847587.

Available on ORBi :

since 11 September 2023

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