Quantitative risk assessment of external floating roof tank areas based on the numerical simulations

ZHAO Jinlong; TANG Qing; HUANG Hong; SU Boni; LI Yuntao; FU Ming

doi:10.16511/j.cnki.qhdxxb.2015.22.008

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Journal of Tsinghua University(Science and Technology) ›› 2015, Vol. 55 ›› Issue (10) : 1143-1149. DOI: 10.16511/j.cnki.qhdxxb.2015.22.008

ENGINEERING PHYSICS

Quantitative risk assessment of external floating roof tank areas based on the numerical simulations

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Abstract

Large floating roof tanks usually contain a large amount of flammable liquids which can lead to catastrophes. This study analyzes accident scenarios based on 88 large external floating roof tank accident case analyses. Fire dynamics simulator (FDS) is used to compute the heat flux distribution under a rim seal fire, a full surface fire, and a bund fire. The personal vulnerability model is then used to calculate the individual risk based on the heat fluxes. The effect of wind on the risk distribution is discussed and the safety distances for firefighters are identified. The results provide useful reference for firefighting.

Key words

floating roof tank fire / accident scenario / fire dynamics simulator (FDS) / quantitative risk assessment / safety distance

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ZHAO Jinlong, TANG Qing, HUANG Hong, SU Boni, LI Yuntao, FU Ming. Quantitative risk assessment of external floating roof tank areas based on the numerical simulations[J]. Journal of Tsinghua University(Science and Technology). 2015, 55(10): 1143-1149 https://doi.org/10.16511/j.cnki.qhdxxb.2015.22.008

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