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Sustainable Smoke Extraction System for Atrium: A Numerical Study

Author

Listed:
  • Martin Lyubomirov Ivanov

    (Academy of the Ministry of Interior, 1715 Sofia, Bulgaria)

  • Wei Peng

    (School of Safety Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China)

  • Qi Wang

    (Department of Building Services Engineering, The Hong Kong Polytechnic University, Hong Kong, China)

  • Wan Ki Chow

    (Department of Building Services Engineering, The Hong Kong Polytechnic University, Hong Kong, China)

Abstract

Smoke extraction systems, either static with natural ventilation, or dynamic with mechanical ventilation are required to keep smoke layer at high levels in many tall atria. It is observed that a design fire with high heat release rate (HRR) is commonly used for designing natural vents, but a low HRR is used for mechanical ventilation system. This will not produce a sustainable environment. There are no internationally agreed on design guides to determine the HRR in the design fire for different extraction systems and scenarios. This issue will be studied using a Computational Fluid Dynamics (CFD)-based software, the Fire Dynamics Simulator (FDS) version 6.7.1. Simulations on natural smoke filling, static and dynamic smoke extractions were carried out in a big example atrium. CFD-FDS predictions were compared with previous full-scale burning tests. Results confirmed that static smoke extraction is a good option for big fires, and a dynamic system is best for small fires. A sustainable new hybrid design combining the advantages of static and dynamic systems is proposed, which could result in a lower smoke temperature and higher smoke layer interface height, indicating a better extraction design.

Suggested Citation

  • Martin Lyubomirov Ivanov & Wei Peng & Qi Wang & Wan Ki Chow, 2021. "Sustainable Smoke Extraction System for Atrium: A Numerical Study," Sustainability, MDPI, vol. 13(13), pages 1-22, July.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:13:p:7406-:d:587140
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    References listed on IDEAS

    as
    1. Zheli Xing & Jinfeng Mao & Yuliang Huang & Jin Zhou & Wei Mao & Feifan Deng, 2015. "Scaled Experimental Study on Maximum Smoke Temperature along Corridors Subject to Room Fires," Sustainability, MDPI, vol. 7(8), pages 1-23, August.
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    Cited by:

    1. Desheng Xu & Yanfeng Li & Junmei Li & Jin Zhang & Jiaxin Li, 2021. "Investigation on the Effect of Platform Height on Smoke Characteristics of Fire Scenarios for Subway Stations," Sustainability, MDPI, vol. 13(19), pages 1-20, September.
    2. Maria Brzezińska & Dorota Brzezińska, 2022. "Contemporary Atrium Architecture: A Sustainable Approach to the Determination of Smoke Ventilation Criteria in the Event of a Fire," Energies, MDPI, vol. 15(7), pages 1-16, March.
    3. Dorota Brzezińska & Maria Brzezińska, 2022. "Performance-Based Solutions of Thermal and Smoke Control Ventilation in Industrial Power Plant Buildings," Energies, MDPI, vol. 15(19), pages 1-15, October.
    4. Xu, Desheng & Li, Yanfeng & Du, Tianmei & Zhong, Hua & Huang, Youbo & Li, Lei & Xiangling, Duanmu, 2024. "Investigating the influence of outdoor temperature variations on fire-induced smoke behavior in an atrium-type underground metro station using hybrid ventilation systems," Energy, Elsevier, vol. 287(C).

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