摘要
Thestudyonthespecialphenomenon,occurrenceprocessandcontrolmechanismofgasoline-airmixturethermalignitioninundergroundoildepotsisofimportantacademicandappliedvalueforenrichingscientifictheoriesofexplosionsafety,developingprotectivetechnologyagainstfireanddecreasingthenumberoffireaccidents.Inthispaper,theresearchonthermalignitionprocessofgasoline-airmixtureinmodelundergroundoildepotstunnelhasbeencarriedoutbyusingexperimentandnumericalsimulationmethods.Thecalculationresulthasbeendemonstratedbytheexperimentdata.Thefivestagesofthermalignitioncourse,whichareslowoxidationstage,rapidoxidationstage,firestage,flameoutstageandquenchstage,havebeenfirstlydefinedandaccuratelydescried.Accordingtothemagnitudeorderofconcentration,thespecieshavebeendividedintosixcategories,whichlaythefoundationforexplosion-proofdesignbasedontheroleofdifferentspecies.Theinfluenceofspacescaleonthermalignitioninsmall-scalespacehasbeenfound,andthemechanismfornoteasytofireisthatthewallreflectioncausestherefluxoffluidsandchangesthedistributionofheatandmass,sothattheprogressofchemicalreactionsinthewholespacearealsochanged.Thenovelmathematicalmodelonthebasisofunificationchemicalkineticsandthermodynamicsestablishedinthispaperprovidessupplementarymeansfortheanalysisofprocessandmechanismofthermalignition.
出版日期
2010年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
