Journal
THERMAL SCIENCE
Volume 26, Issue 2, Pages 1721-1732Publisher
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI200718304H
Keywords
accident investigation; CFD model; corn flour dust; explosion; environmental conditions
Categories
Funding
- Research Grants Council of the Hong Kong Special Administrative Region, China [PolyU 15252816, B-Q53X]
Ask authors/readers for more resources
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.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available