主管:中华人民共和国应急管理部
主办:应急管理部天津消防研究所
ISSN 1009-0029  CN 12-1311/TU

Fire Science and Technology ›› 2021, Vol. 40 ›› Issue (1): 135-140.

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Analysis on death cause of an electric bicycle fire based on numerical simulation

LI Ze-hong1 ,2, HUA Fei2   

  1. 1. College of Investigation, China People's Police University, Hebei Langfang 065000, China; 2. Zhejiang Fire and Rescue Brigade , Zhejiang Hangzhou 310000, China
  • Online:2021-01-15 Published:2021-01-15

Abstract:

In order to reconstruct the fire development process of an electric bicycle fire and analyze the cause of casualties, according to the actual situation of the fire scene, the fire building model was built by using PyroSim and other software. Controllers were set for numerical simulation to obtain the fire spread velocity of the building, temperature and carbon monoxide concentration in the room of the dead. The fire development at the point of origin and the key position were verified by comparison with the fire scene photographs. Combining the slices from three angles of temperature, death was caused by the combination of high temperature and carbon monoxide was confirmed by carbon monoxide concentration and FED data. This research makes a reasonable explanation for the death cause, and provides basis for fire investigation. 

Key words:  fire investigation, numerical simulation, PyroSim, electric bicycle fires