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On detailed thermal response modeling of vertical greenery systems as cooling measure for buildings and cities in summer conditions

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  • Šuklje, Tomaž
  • Medved, Sašo
  • Arkar, Ciril

Abstract

Vertical greenery systems (VGSs) are becoming a common architectural element in urban environments. In addition to the aesthetics of VGSs, impacts on building's energy demand and heat island mitigation in cities has been identified. In the present study, experimental results of thermal response and properties of VGSs with vertical leaf area index (LAIV) equal to 6.1 and 7.2 are presented. Experimental results show that VGSs can impact up to 34 K lower surface temperatures of a façade, while maintaining air temperatures in the VGSs' canopies close to ambient temperatures. Properties of the VGSs were used as a basis as well as an input for a detailed mathematical model of the thermal response of a building envelope with a VGS. The validated mathematical model was used for parametrical analysis of the impact of thermal resistance of a building envelope on the cooling potential of the VGSs. The results show that the cooling effect is more significant for less insulated façades, and that a VGS can be modeled as an independent urban cooling element. Finally, a parametrical model of the latent heat flux of a VGS was developed and can be used as a boundary condition in urban heat island studies.

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  • Šuklje, Tomaž & Medved, Sašo & Arkar, Ciril, 2016. "On detailed thermal response modeling of vertical greenery systems as cooling measure for buildings and cities in summer conditions," Energy, Elsevier, vol. 115(P1), pages 1055-1068.
    • Handle: RePEc:eee:energy:v:115:y:2016:i:p1:p:1055-1068
    DOI: 10.1016/j.energy.2016.08.095
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    1. Tsang, S.W. & Jim, C.Y., 2011. "Theoretical evaluation of thermal and energy performance of tropical green roofs," Energy, Elsevier, vol. 36(5), pages 3590-3598.
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    Cited by:

    1. Bakhshoodeh, Reza & Ocampo, Carlos & Oldham, Carolyn, 2022. "Thermal performance of green façades: Review and analysis of published data," Renewable and Sustainable Energy Reviews, Elsevier, vol. 155(C).
    2. Jutta Hollands & Azra Korjenic, 2021. "Evaluation and Planning Decision on Façade Greening Made Easy—Integration in BIM and Implementation of an Automated Design Process," Sustainability, MDPI, vol. 13(16), pages 1-29, August.
    3. Peng, Lilliana L.H. & Jiang, Zhidian & Yang, Xiaoshan & Wang, Qingqing & He, Yunfei & Chen, Sophia Shuang, 2020. "Energy savings of block-scale facade greening for different urban forms," Applied Energy, Elsevier, vol. 279(C).
    4. Susca, T. & Zanghirella, F. & Colasuonno, L. & Del Fatto, V., 2022. "Effect of green wall installation on urban heat island and building energy use: A climate-informed systematic literature review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 159(C).
    5. 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.
    6. Patryk Antoszewski & Dariusz Świerk & Michał Krzyżaniak, 2020. "Statistical Review of Quality Parameters of Blue-Green Infrastructure Elements Important in Mitigating the Effect of the Urban Heat Island in the Temperate Climate (C) Zone," IJERPH, MDPI, vol. 17(19), pages 1-36, September.
    7. Ileana Blanco & Fabiana Convertino, 2023. "Thermal Performance of Green Façades: Research Trends Analysis Using a Science Mapping Approach," Sustainability, MDPI, vol. 15(13), pages 1-23, June.
    8. Šuklje, Tomaž & Hamdy, Mohamed & Arkar, Ciril & Hensen, Jan L.M. & Medved, Sašo, 2019. "An inverse modeling approach for the thermal response modeling of green façades," Applied Energy, Elsevier, vol. 235(C), pages 1447-1456.
    9. Leopold Škerget & António Tadeu & João Almeida, 2021. "Unsteady Coupled Moisture and Heat Energy Transport through an Exterior Wall Covered with Vegetation," Energies, MDPI, vol. 14(15), pages 1-26, July.
    10. Coma, Julià & Chàfer, Marta & Pérez, Gabriel & Cabeza, Luisa F., 2020. "How internal heat loads of buildings affect the effectiveness of vertical greenery systems? An experimental study," Renewable Energy, Elsevier, vol. 151(C), pages 919-930.

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