Creating glazed facades performance map based on energy and thermal comfort perspective for office building design strategies in Asian hot-humid climate zone

Ruey-Lung Hwang and Wei-An Chen

Applied Energy, 2022, vol. 311, issue C, No S0306261922001544

Abstract: Glazed facades are broadly applied in modern architecture especially office buildings. However, glass enables massive heat transmitted into buildings that leads to thermal discomfort and energy profligacy particularly in hot-humid climate zone. Considering the strategies of energy use and thermal comfort at initial design process is beneficial for building performance, while there is shortage of approachable method to easily involve in building energy modeling or thermal comfort assessment. To enhance the connection of architecture design and building environment, this study proposed a guide map to provide visualized information from the aspects of energy use and thermal comfort through simulating the performance of different composition of glazed facade parameters. Specifically, cases with various facade configurations located in Southeast Asia cities are set to demonstrate the cooling load and long-term thermal comfort evaluation, including Environmental Quality Index (EQI), Spatial Thermal Comfort Availability (sTCA), and Temporal Thermal Comfort Usability (tTCU). Furthermore, a comprehensive thermal parameter called facade solar aperture is suggested to describe the performance of solar gains from facade; eventually, correlation among facade parameters, energy use, thermal comfort, and geographic location is disclosed. The results also indicated that to eliminate the discomfort for maintaining the condition of PMV = 0.5, the setting temperature of air-conditioning needs to be decreased by 2 °C ∼ 3 °C which corresponding to the increasing cooling load of 142.5 MJ/m2 to 215.0 MJ/m2. Comprehensively, through the proposed method, architects can obtain optimal schemes of different parameters, then balance the energy conservation and thermal comfort through better glazed facade design strategies.

Keywords: Perimeter zones; Fenestration systems; Cooling load; Thermal comfort; Facade solar aperture; Building envelopes (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (8)

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DOI: 10.1016/j.apenergy.2022.118689

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