Global sensitivity analysis of energy consumption factors of building envelope structure for high-rise office buildings in different climate zones

Zhaojia Ye; Yuchen Zhao

doi:10.1117/12.3024411

13 May 2024 Global sensitivity analysis of energy consumption factors of building envelope structure for high-rise office buildings in different climate zones

Zhaojia Ye, Yuchen Zhao

Author Affiliations +

Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 131591U (2024) https://doi.org/10.1117/12.3024411
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China

Abstract

The integration of building energy-saving measures during early architectural design and the energy-efficient retrofitting of existing buildings holds paramount importance in achieving carbon neutrality. This study focuses on five representative climate zones in China to assess the sensitivity of building energy consumption to ten key external envelope parameters. Leveraging two research prototypes from 18 high-rise mixed-use office buildings in the hot-summer and warm-winter climate zone (Hong Kong), the DeST platform is utilized to simulate the impact of various design parameters on the annual building load. Employing the Sobol method for quantitative analysis, the study examines the contribution of each parameter to building energy consumption. Findings reveal distinct sensitivities of building envelope parameters concerning heating load, cooling load, and total load indicators, contingent upon diverse climate regions and building types. Under the total load indicator, the heat transfer coefficients of glass and roof, along with the window-to-wall ratio on the west and south facades, emerge as the most sensitive design parameters, while the solar radiation absorptance of walls and roofs show lower sensitivity. This research offers valuable insights for energy-efficient design and building renovations, paving the way for a more sustainable and environmentally conscious future.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Zhaojia Ye and Yuchen Zhao "Global sensitivity analysis of energy consumption factors of building envelope structure for high-rise office buildings in different climate zones", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 131591U (13 May 2024); https://doi.org/10.1117/12.3024411

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KEYWORDS

Design

Climatology

Environmental sensing

Glasses

Solar energy

Carbon

Solar radiation

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