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Natural Ventilation Effectiveness of Awning Windows in Restrooms in K-12 Public Schools

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  • Sung-Chin Chung

    (Department of Creative Design, National Yunlin University of Science and Technology, Douliu 640, Taiwan)

  • Yi-Pin Lin

    (Department of Creative Design, National Yunlin University of Science and Technology, Douliu 640, Taiwan)

  • Chun Yang

    (Department of Creative Design, National Yunlin University of Science and Technology, Douliu 640, Taiwan)

  • Chi-Ming Lai

    (Department of Civil Engineering, National Cheng Kung University, Tainan 701, Taiwan)

Abstract

Using computational fluid dynamics (CFD), this study explores the effect of a different number of awning windows and their installation locations on the airflow patterns and air contaminant distributions in restrooms in K-12 (for kindergarten to 12th grade) public schools in Taiwan. A representative restroom configuration with dimensions of 10.65 m × 9.2 m × 3.2 m (height) was selected as the investigated object. Based on the façade design feasibility, seven possible awning window configurations were considered. The results indicate that an adequate number of windows and appropriate installation locations are required to ensure the natural ventilation effectiveness of awning windows. The recommended installation configuration is provided.

Suggested Citation

  • Sung-Chin Chung & Yi-Pin Lin & Chun Yang & Chi-Ming Lai, 2019. "Natural Ventilation Effectiveness of Awning Windows in Restrooms in K-12 Public Schools," Energies, MDPI, vol. 12(12), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:12:p:2414-:d:242355
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    References listed on IDEAS

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    1. Jomehzadeh, Fatemeh & Nejat, Payam & Calautit, John Kaiser & Yusof, Mohd Badruddin Mohd & Zaki, Sheikh Ahmad & Hughes, Ben Richard & Yazid, Muhammad Noor Afiq Witri Muhammad, 2017. "A review on windcatcher for passive cooling and natural ventilation in buildings, Part 1: Indoor air quality and thermal comfort assessment," Renewable and Sustainable Energy Reviews, Elsevier, vol. 70(C), pages 736-756.
    2. Nomura, Mika & Hiyama, Kyosuke, 2017. "A review: Natural ventilation performance of office buildings in Japan," Renewable and Sustainable Energy Reviews, Elsevier, vol. 74(C), pages 746-754.
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    Cited by:

    1. Zhonghua Zhang & Lingjie Zeng & Huixian Shi & Hua Liu & Wenjun Yin & Haowen Shen & Libin Yang & Jun Gao & Lina Wang & Yalei Zhang & Xuefei Zhou, 2021. "CFD Study on the Ventilation Effectiveness in a Public Toilet under Three Ventilation Methods," Energies, MDPI, vol. 14(24), pages 1-25, December.
    2. Zhonghua Zhang & Lingjie Zeng & Huixian Shi & Gukun Yang & Zhenjiang Yu & Wenjun Yin & Jun Gao & Lina Wang & Yalei Zhang & Xuefei Zhou, 2021. "Dynamics and Numerical Simulation of Contaminant Diffusion for a Non-Flushing Ecological Toilet," Energies, MDPI, vol. 14(22), pages 1-22, November.
    3. Jorge de Brito & M. Glória Gomes, 2020. "Special Issue “Building Thermal Envelope”," Energies, MDPI, vol. 13(5), pages 1-5, February.
    4. Yi-Pin Lin, 2021. "Natural Ventilation of Toilet Units in K–12 School Restrooms Using CFD," Energies, MDPI, vol. 14(16), pages 1-16, August.

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