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Study on the Relationship between Indoor Vertical Greening and Oxygen Content in High-Rise Buildings

Author

Listed:
  • Yang Liu

    (School of Art and Design, Zhejiang Sci-Tech University, Hangzhou 310018, China)

  • Xin Wang

    (School of Art and Design, Zhejiang Sci-Tech University, Hangzhou 310018, China)

  • Guilin Xie

    (College of Life Science, Northeast Agricultural University, Harbin 150030, China)

  • Congcong Zhao

    (School of Art and Design, Zhejiang Sci-Tech University, Hangzhou 310018, China)

Abstract

This article clarifies the quantitative relationship between vertical greening, indoor ventilation, and the oxygen content in high-rise buildings, with the aim of determining values for a high-oxygen-content threshold to assess the ventilation and greening of high-rise buildings. The quantitative index could be provided to architects to assist in the sustainable design of vertical greening in high-rise buildings. The quantitative index offers an effective, convenient, and environmentally friendly oxygen-content-testing method for interior spaces, while avoiding the air pollution caused by the current red phosphorus combustion method. Firstly, a floor of a high-rise building in Harbin was selected for on-site and fixed-point experiments. Secondly, through the design of a candle-burning experiment in a gas bottle, we measured the change in candle-burning time before and after installing vertical greening, as well as under different ventilation states. Finally, the changes in relative oxygen content in each functional space before and after vertical greening and under different ventilation states were statistically analyzed. The results showed that there was a potential correlation between indoor oxygen content and vertical greening placement in high-rise buildings; this correlation was found to be directly related to room orientation, the degree of the plants’ photosynthesis, and indoor airflow. In general, vertical greening should be placed in south-facing rooms. For daily ventilation, two or more windows should be opened to ensure convection in rooms, which can increase their oxygen content.

Suggested Citation

  • Yang Liu & Xin Wang & Guilin Xie & Congcong Zhao, 2023. "Study on the Relationship between Indoor Vertical Greening and Oxygen Content in High-Rise Buildings," Sustainability, MDPI, vol. 15(3), pages 1-15, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:3:p:1916-:d:1041108
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    References listed on IDEAS

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    1. Song, Kwonsik & Jang, Youjin & Park, Moonseo & Lee, Hyun-Soo & Ahn, Joseph, 2020. "Energy efficiency of end-user groups for personalized HVAC control in multi-zone buildings," Energy, Elsevier, vol. 206(C).
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