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Nonuniform Woven Solar Shading Screens: Shading, Mechanical, and Daylighting Performance

Author

Listed:
  • Yao Lu

    (Faculty of Architecture, South China University of Technology, Guangzhou 510640, China)

  • Hankun Lin

    (Faculty of Architecture, South China University of Technology, Guangzhou 510640, China)

  • Siwei Liu

    (Faculty of Architecture, South China University of Technology, Guangzhou 510640, China)

  • Yiqiang Xiao

    (Faculty of Architecture, South China University of Technology, Guangzhou 510640, China)

Abstract

This study investigated the potential of using a nonuniform woven panel with nonuniform strips—thick sticks and thin battens—as an external solar shading screen that addressed daylighting, shading, and mechanical performance factors. The sustainable material, namely, bamboo, was used as the demonstration material for the screen. An on-site experiment and ANSYS simulation were carried out to investigate the basic solar optical performance and structural strength of the proposed screen, respectively. Then, a series of daylighting simulations were conducted to optimize the configuration of the screen. The results showed that the nonuniform woven solar shading screen reduced up to 80.3% of the solar radiation gain in a room during summer months while ensuring a relatively even distribution of useful daylight during the year. Moreover, the screen effectively reduced the negative impact of glare to a level below “imperceptible” and enabled a relatively clear view through the window and shading. Regarding the structural strength, the screen with a size smaller than or equal to 1 × 1 m withstood a wind load of 12 m/s. Furthermore, this study proposed two optimal configurations: a screen woven of square sticks and battens with a distance of 10 mm between them, and a screen woven of round sticks and battens with a distance of 8 mm between them. This study illustrated the superiority of the nonuniform woven solar shading screens, which supports a wider application of solar shading screens made of other materials with similar structures and reflectance values.

Suggested Citation

  • Yao Lu & Hankun Lin & Siwei Liu & Yiqiang Xiao, 2019. "Nonuniform Woven Solar Shading Screens: Shading, Mechanical, and Daylighting Performance," Sustainability, MDPI, vol. 11(20), pages 1-19, October.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:20:p:5652-:d:276164
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    References listed on IDEAS

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    1. Edwin Zea Escamilla & Guillaume Habert & Juan Francisco Correal Daza & Hector F. Archilla & Juan Sebastian Echeverry Fernández & David Trujillo, 2018. "Industrial or Traditional Bamboo Construction? Comparative Life Cycle Assessment (LCA) of Bamboo-Based Buildings," Sustainability, MDPI, vol. 10(9), pages 1-14, August.
    2. Kirimtat, Ayca & Koyunbaba, Basak Kundakci & Chatzikonstantinou, Ioannis & Sariyildiz, Sevil, 2016. "Review of simulation modeling for shading devices in buildings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 23-49.
    3. Byungyun Lee, 2019. "Heating, Cooling, and Lighting Energy Demand Simulation Analysis of Kinetic Shading Devices with Automatic Dimming Control for Asian Countries," Sustainability, MDPI, vol. 11(5), pages 1-20, February.
    4. Cristina Carletti & Fabio Sciurpi & Leone Pierangioli, 2014. "The Energy Upgrading of Existing Buildings: Window and Shading Device Typologies for Energy Efficiency Refurbishment," Sustainability, MDPI, vol. 6(8), pages 1-24, August.
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    Cited by:

    1. Zhiqiang Wang & Qi Tian & Jie Jia, 2021. "Numerical Study on Performance Optimization of an Energy-Saving Insulated Window," Sustainability, MDPI, vol. 13(2), pages 1-25, January.
    2. Jungwon Yoon & Sanghyun Bae, 2020. "Performance Evaluation and Design of Thermo-Responsive SMP Shading Prototypes," Sustainability, MDPI, vol. 12(11), pages 1-35, May.

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