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Green Façade Effects on Thermal Environment in Transitional Space: Field Measurement Studies and Computational Fluid Dynamics Simulations

Author

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  • Hankun Lin

    (State Key Laboratory of Subtropical Building Science, School of Architecture, South China University of Technology, Guangzhou 510000, China)

  • Yiqiang Xiao

    (State Key Laboratory of Subtropical Building Science, School of Architecture, South China University of Technology, Guangzhou 510000, China)

  • Florian Musso

    (Lehrstuhl für Baukonstruktion und Baustoffkunde, Fakultät für Architektur, Technische Universität München, 80333 München, Germany)

  • Yao Lu

    (State Key Laboratory of Subtropical Building Science, School of Architecture, South China University of Technology, Guangzhou 510000, China)

Abstract

High-density urban development areas have several problems associated with them, such as the formation of urban heat islands, traffic noise, and air pollution. To minimize these problems, the green façades (GFs), which are used to guide climbing plants to grow vertically on building facade, are focused on by researchers and architects. This study focuses on GF application strategies and their optimizations for thermal comfort in a transitional space in a hot-humid climate. First, field measurements were collected from GF projects located in Guangzhou, China, in summer 2017. Second, a simulation method using computational fluid dynamics (CFD) was used to investigate the thermal effects of the GF’s foliage. Finally, seven GF typologies and one unshaded comparison model were used for simulations in three scenarios with south, east, and west orientations and compared to evaluate the effects of GFs on the thermal environment of the transitional space. The results of field measurements reveal that the GF reduced average Physiologically Equivalent Temperature (PET) by 2.54 °C, and that of CFD simulations reveal that three typologies of GFs are more effective in regulating the thermal environment in the summer. The results of this research provide support for further studies on the thermal effectiveness and design options of GFs for human comfort.

Suggested Citation

  • Hankun Lin & Yiqiang Xiao & Florian Musso & Yao Lu, 2019. "Green Façade Effects on Thermal Environment in Transitional Space: Field Measurement Studies and Computational Fluid Dynamics Simulations," Sustainability, MDPI, vol. 11(20), pages 1-21, October.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:20:p:5691-:d:276690
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    References listed on IDEAS

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    Cited by:

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    2. Yingying Zhou & Christiane Margerita Herr, 2023. "A Review of Advanced Façade System Technologies to Support Net-Zero Carbon High-Rise Building Design in Subtropical China," Sustainability, MDPI, vol. 15(4), pages 1-23, February.

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