Monte-Carlo analysis of the projectile fragments from cylindrical tank boiling liquid expanding vapor explosion accident

LIU Zhen-yi; HUANG Ping; XU Ya-bo

doi:10.11883/1001-1455(2010)06-0569-08

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LIU Zhen-yi, HUANG Ping, XU Ya-bo. Monte-Carlo analysis of the projectile fragments from cylindrical tank boiling liquid expanding vapor explosion accident[J]. Explosion And Shock Waves, 2010, 30(6): 569-576. doi: 10.11883/1001-1455(2010)06-0569-08

Citation:

LIU Zhen-yi, HUANG Ping, XU Ya-bo. Monte-Carlo analysis of the projectile fragments from cylindrical tank boiling liquid expanding vapor explosion accident[J]. Explosion And Shock Waves, 2010, 30(6): 569-576. doi: 10.11883/1001-1455(2010)06-0569-08

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Monte-Carlo analysis of the projectile fragments from cylindrical tank boiling liquid expanding vapor explosion accident

doi: 10.11883/1001-1455(2010)06-0569-08

1.
StateKeyLaboratoryofExplosionScienceandTechnology,BeijingInstituteofTechnology,

Funds:

NationalST MajorProject(2008ZX05054)

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Corresponding author: LIU Zhen-yi
Publish Date: 2010-11-25

Abstract

Abstract

Thegenerationandflightoffragmentsarestochasticandcancausemoreseverehazards. Studyingonthedominoeffectstudycausedbythefragmentsfromexplosionishotspotanddifficulty. Basedondynamicanalysis,thepresentworkextendedthetwo-dimensionalfragmenttrajectoryequationintothree- dimensionalsystem,andtookwindintoaccount.ThepresentanalysistookacylindricaltankinMexicoCitywithboilingliquidexpandingvaporexplosionasanexample, andthetrajectoryoffragmentwassimulatedbyMonte- Carlomethod.Seenfromtheprobabilitiesoffragmentranges tobereachedwith/withoutwind,windhaslessimpactonthehazardcausedbyfragments.Theimpactprobabilityofafragmentonatargetwithnowindwasattained, impactprobabilitywiththetank showedtheincreaseofdistancebetweenthestrictexponentialdecaytrend,andthroughthisrelationship, thetankspacingincompliancewithsafetyrequirementscanbecalculated.Thepaperprovidesa methodwhichisofgreatsignificancefortheriskassessmentandcontroloffragmentsfromtheexplosionofcylindricaltanks.
- mechanicsofexplosion,
- boilingliquidexpandingvaporexplosion,
- Monte-Carlomethod,
- fragment,
- cylindricaltank