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Influence of Facade Greening with Ivy on Thermal Performance of Masonry Walls

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  • Alexander Pichlhöfer

    (Research Unit of Ecological Building Technologies, Institute of Material Technology, Building Physics and Building Ecology, Faculty of Civil and Environmental Engineering, Vienna University of Technology, 1040 Vienna, Austria)

  • Azra Korjenic

    (Research Unit of Ecological Building Technologies, Institute of Material Technology, Building Physics and Building Ecology, Faculty of Civil and Environmental Engineering, Vienna University of Technology, 1040 Vienna, Austria)

  • Abdulah Sulejmanovski

    (Research Unit of Ecological Building Technologies, Institute of Material Technology, Building Physics and Building Ecology, Faculty of Civil and Environmental Engineering, Vienna University of Technology, 1040 Vienna, Austria)

  • Erich Streit

    (Research Unit of Ecological Building Technologies, Institute of Material Technology, Building Physics and Building Ecology, Faculty of Civil and Environmental Engineering, Vienna University of Technology, 1040 Vienna, Austria)

Abstract

Heat transfer through building envelopes is a crucial aspect of energy efficiency in construction. Masonry walls, being a commonly used building material, have a significant impact on thermal performance. In recent years, green roofs and walls have gained popularity as a means of improving energy efficiency, reducing urban heat islands, and enhancing building aesthetics. This study aims to investigate the effect of ivy ( Hedera helix ) greening on heat transfer through masonry walls and their corresponding surface temperatures. Ivy was chosen as a model plant due to its widespread use and ability to cover large surface areas. The results of this study suggest that ivy greening can have a significant impact on the thermal performance of masonry walls. During winter, the heat transfer coefficient of greened walls was found to be up to 30% lower compared to non-greened walls. This indicates that ivy greening can help reduce energy consumption for heating and thus improve the energy efficiency of buildings. In addition, the surface temperature under the ivy was found to be significantly higher than on the bare wall during winter. However, during summer, the surface temperature under the ivy was lower than on the bare wall, which may help reduce cooling energy consumption. The results of this study are consistent with previous research in the field. Overall, this study provides valuable insights into the potential benefits of ivy greening on the thermal performance of masonry walls.

Suggested Citation

  • Alexander Pichlhöfer & Azra Korjenic & Abdulah Sulejmanovski & Erich Streit, 2023. "Influence of Facade Greening with Ivy on Thermal Performance of Masonry Walls," Sustainability, MDPI, vol. 15(12), pages 1-17, June.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:12:p:9546-:d:1170762
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    References listed on IDEAS

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    1. Giovanni Santi & Angelo Bertolazzi & Emanuele Leporelli & Umberto Turrini & Giorgio Croatto, 2020. "Green Systems Integrated to the Building Envelope: Strategies and Technical Solution for the Italian Case," Sustainability, MDPI, vol. 12(11), pages 1-18, June.
    2. Jim, C.Y., 2015. "Thermal performance of climber greenwalls: Effects of solar irradiance and orientation," Applied Energy, Elsevier, vol. 154(C), pages 631-643.
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    Cited by:

    1. Jianheng Chen & Lin Lu & Linrui Jia & Quan Gong, 2023. "Performance Evaluation of High-Rise Buildings Integrated with Colored Radiative Cooling Walls in a Hot and Humid Region," Sustainability, MDPI, vol. 15(16), pages 1-17, August.

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