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Daylighting Performance and Thermal Comfort Performance Analysis of West-Facing External Shading for School Office Buildings in Cold and Severe Cold Regions of China

Author

Listed:
  • Ye Liu

    (School of Architecture and Engineering, Xinjiang University, Urumqi 830047, China)

  • Wanjiang Wang

    (School of Architecture and Engineering, Xinjiang University, Urumqi 830047, China)

  • Zixiao Li

    (School of Architecture and Engineering, Xinjiang University, Urumqi 830047, China)

  • Junkang Song

    (School of Architecture and Engineering, Xinjiang University, Urumqi 830047, China)

  • Zhicheng Fang

    (School of Architecture and Engineering, Xinjiang University, Urumqi 830047, China)

  • Dongbing Pang

    (School of Architecture and Engineering, Xinjiang University, Urumqi 830047, China)

  • Yanhui Chen

    (School of Architecture and Engineering, Xinjiang University, Urumqi 830047, China)

Abstract

Global energy resources are becoming increasingly scarce, and environmental problems are becoming more serious. The construction industry significantly contributes to energy consumption, and building energy efficiency has become a global concern. A critical aspect of building energy efficiency is exterior shading, which controls sunlight exposure and heat input to the interior. By effectively reducing indoor temperature and light intensity, exterior shading provides a more comfortable learning and working environment. In particular, west-facing exterior shading is essential for building shading and heat protection. This study aims to analyze school office buildings’ light and thermal comfort performance in various climatic zones. These buildings are equipped with west-facing external shading. Numerical analyses were performed using Ladybug Tools 1.6.0 software to evaluate the light and thermal comfort performance of the building. The primary objective of this study is to enhance the light performance and thermal comfort within buildings facing west. The main focus of this research is to examine the effectiveness of four different shading devices in improving light performance and thermal comfort in school office buildings located in severe cold (SC) and cold (C) regions. By studying these specific buildings, valuable insights and recommendations can be provided for selecting suitable shading devices for typical urban buildings in similar regions. The study results demonstrate that in typical cities in SC and C regions, light and thermal comfort are significantly improved with appropriate shading devices by a factor of about 1.5 to 2.5 compared to the no-shading condition (NSC). Beijing shows the most significant improvement among the cities studied, with energy efficiency and comfort improved to 2.6 times that of NSC. At the same time, Urumqi has a relatively lower effect, with an improvement of 1.59 times that of NSC. This study provides an essential reference for selecting suitable west-facing shading devices in typical cities in SC and C regions. It is expected that this will contribute to the construction industry’s efforts to achieve more significant results in energy conservation, emission reduction, and green buildings, ultimately helping to address the energy crisis and environmental pollution problems.

Suggested Citation

  • Ye Liu & Wanjiang Wang & Zixiao Li & Junkang Song & Zhicheng Fang & Dongbing Pang & Yanhui Chen, 2023. "Daylighting Performance and Thermal Comfort Performance Analysis of West-Facing External Shading for School Office Buildings in Cold and Severe Cold Regions of China," Sustainability, MDPI, vol. 15(19), pages 1-27, October.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:19:p:14458-:d:1253113
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    References listed on IDEAS

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