期刊
THERMAL SCIENCE
卷 26, 期 2, 页码 1721-1732出版社
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI200718304H
关键词
accident investigation; CFD model; corn flour dust; explosion; environmental conditions
资金
- Research Grants Council of the Hong Kong Special Administrative Region, China [PolyU 15252816, B-Q53X]
This paper investigates a severe fire incident at a water fun park in Taiwan caused by spraying colored corn flour powder, using a flame acceleration simulator. The simulation results show that igniting the sprayed powder resulted in a dust flash fire without explosion. The environmental parameters used in the simulation agreed with the observed accident, indicating their appropriateness for reproducing explosion scenarios and supporting accident investigations.
A severe accidental fire with ???explosion??? resulting from spraying colored corn flour powder occurred at a water fun park in Taiwan. The possible fire scenarios were studied in this paper using flame acceleration simulator (FLACS). Environmental conditions including wind action and solid boundary conditions were deduced based on government fire investigation and video records, and were used as the input parameters in simulation. Simulation results indicate that upon ignition of the sprayed powder, the maximum overpressure in the open space was only 0.03 bar gauge, with a dust flash fire generated without having an explosion. These environmental conditions or parameters and the simulation results together would give a fire scene that agrees with the accident observed, indicating that appropriate environmental parameters had been identified. Therefore, CFD simulation with carefully selected parameters can be used to reproduce explosion scenarios and to identify key factors in supporting accident investigations.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据