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Hazardous Chemical Accident Evacuation Simulation and Analysis of Results

Author

Listed:
  • Yijie Song

    (Changchun Institute of Technology, College of Jilin Emergency Management, Changchun 130012, China)

  • Beibei Wang

    (Changchun Institute of Technology, College of Jilin Emergency Management, Changchun 130012, China)

  • Xiaolu Wang

    (Changchun Institute of Technology, College of Jilin Emergency Management, Changchun 130012, China)

  • Yichen Zhang

    (Changchun Institute of Technology, College of Jilin Emergency Management, Changchun 130012, China)

  • Jiquan Zhang

    (Institute of Natural Disaster Research, School of Environment, Northeast Normal University, Changchun 130117, China)

  • Yilin Wang

    (Changchun Institute of Technology, College of Jilin Emergency Management, Changchun 130012, China)

Abstract

Chemical leakage accidents in chemical industrial parks pose significant threats to personnel safety, particularly during evacuation processes, where individual behavior and evacuation strategies have a considerable impact on overall efficiency. This study takes a leakage incident at an alkylation unit as a case study. First, ALOHA5.4.7 software was used to simulate the influence of meteorological conditions across different seasons on the dispersion range of toxic gases, thereby generating an annual comprehensive risk zone distribution map. Subsequently, different evacuation scenarios were constructed in Pathfinder2024.1.0605, with the integration of trigger mechanisms to simulate individual behaviors during evacuation, such as variations in risk perception and peer influence. Furthermore, this study expanded the conventional application scope of Pathfinder—typically limited to small-scale building evacuations—by successfully adapting it for large-scale evacuation simulations in chemical industrial parks. The feasibility of such simulations was thereby demonstrated, highlighting the software’s potential. According to the simulation results, exit configuration, shelter placement, and individual behavior modeling significantly affect the total evacuation time. This study provides both theoretical insights and practical guidance for emergency response planning in chemical industrial parks.

Suggested Citation

  • Yijie Song & Beibei Wang & Xiaolu Wang & Yichen Zhang & Jiquan Zhang & Yilin Wang, 2025. "Hazardous Chemical Accident Evacuation Simulation and Analysis of Results," Sustainability, MDPI, vol. 17(14), pages 1-24, July.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:14:p:6415-:d:1700814
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    References listed on IDEAS

    as
    1. Li, Xin & Chen, Chao & Hong, Yi-du & Yang, Fu-qiang, 2023. "Exploring hazardous chemical explosion accidents with association rules and Bayesian networks," Reliability Engineering and System Safety, Elsevier, vol. 233(C).
    2. Tao Zeng & Guohua Chen & Yunfeng Yang & Genserik Reniers & Yixin Zhao & Xia Liu, 2020. "A Systematic Literature Review on Safety Research Related to Chemical Industrial Parks," Sustainability, MDPI, vol. 12(14), pages 1-27, July.
    3. Wenqi Cui & Xinwu Chen & Weisong Li & Kunjing Li & Kaiwen Liu & Zhanyun Feng & Jiale Chen & Yueling Tian & Boyu Chen & Xianfeng Chen & Wei Cui, 2024. "Simulation of a Hazardous Chemical Cascading Accident Using the Graph Neural Network," Sustainability, MDPI, vol. 16(18), pages 1-20, September.
    4. Lixiao Wang & Zhenya Zhang & Shijun Lu & Jianhu Wang, 2024. "Behavior Selection Models of Fire Evacuations with the Consideration of Adaptive Evacuation Psychologies," Sustainability, MDPI, vol. 16(9), pages 1-15, April.
    5. Yixuan Wei & Jianguo Liu & Longzhe Jin & Shu Wang & Fei Deng & Shengnan Ou & Song Pan & Jinshun Wu, 2023. "Individual Behavior and Attention Distribution during Wayfinding for Emergency Shelter: An Eye-Tracking Study," Sustainability, MDPI, vol. 15(15), pages 1-21, August.
    6. Yilai Wu & Jingwei Xia & Xuekelaiti Haiyirete, 2025. "Enhancing Disaster Resilience in Hospitals Through Flow Space-Optimized Evacuation Routes," Sustainability, MDPI, vol. 17(12), pages 1-27, June.
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