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Risk Assessment of Pedestrian Evacuation under the Influence of Fire Products

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  • Chenghao Ye
  • Yuechan Liu
  • Chao Sun

Abstract

Traditional methods are using FDS and Pathfinder for numerical simulation of fire evacuation and do not consider the impact of fire products on pedestrians, which will lead to erroneous evacuation results. In order to explore the impact of fire products on pedestrian evacuation when a fire occurs in a building, the pedestrian evacuation risk assessment results are closer to the actual situation. By establishing a full-scale model based on the pedestrian evacuation speed coefficient, a numerical simulation of the evacuation of pedestrians under the influence of fire products is carried out, and the influence of spray intensity and smoke exhaust rate on pedestrian evacuation is analysed at the same time. The results show that, compared with traditional methods, the fire evacuation model based on the evacuation speed coefficient can better reflect the evacuation effect of the real fire scene. At the same time, adding spray and smoke exhaust devices can give pedestrians more time to escape.

Suggested Citation

  • Chenghao Ye & Yuechan Liu & Chao Sun, 2020. "Risk Assessment of Pedestrian Evacuation under the Influence of Fire Products," Discrete Dynamics in Nature and Society, Hindawi, vol. 2020, pages 1-20, October.
    • Handle: RePEc:hin:jnddns:9540942
    DOI: 10.1155/2020/9540942
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