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1、ARTICLEINPRESSFireSafetyJournal44(2009)230–240ContentslistsavailableatScienceDirectFireSafetyJournaljournalhomepage:www.elsevier.com/locate/firesafModelingthermalbehaviorsofwindowflameejectedfromafirecompartmenta,bbcKeisukeHimoto,TsunetoTsuchihashi,YoshiakiTanaka,Tak
2、eyoshiTanakaaPioneeringResearchUnitforNextGeneration,KyotoUniversity,Gokasho,Uji,Kyoto611-0011,JapanbGeneralBuildingResearchCorporationofJapan,Fujishirodai5-8-1,Suita,Osaka565-0873,JapancDisasterPreventionResearchInstitute,KyotoUniversity,Gokasho,Uji,Kyoto611-0011,
3、JapanarticleinfoabstractArticlehistory:Aseriesofreduced-scaleexperimentswerecarriedoutinordertoinvestigatethermalbeha-Received1November2006viorsofwindowflame,whichexposestheupperfloorsaswellastheadjacentbuildingstoReceivedinrevisedformpotentialrisksoffirespread.Astain
4、lesspanfilledwithalcoholwasusedasthefiresourceand14May2008wasplacedinsideacubiccompartmentof900mmside.TemperaturesandvelocitiesatvariousAccepted21June2008pointsinsideandoutsideofthecompartmentweremeasured.Thecompartmentwaspressu-Availableonline9August2008rizedduringt
5、heexperimentbymechanicallysupplyingairatseveralmassinflowratesthroughanKeywords:inletductsetatthebottompartofthecompartment.ThiswasforsimulatingfireconditionsunderFirespreadtheeffectofexternalwindpressure.Onthebasisoftheexperimentalobservation,lineWindowflame(i.e.,two
6、-dimensional)heatsourceassumptionwasadoptedfordevelopingamodelofwindowTemperaturerise0flamebehavior.AdimensionlessparameterQwasderivedfromthegoverningdifferentialReduced-scaleexperimentequationsinordertogeneralizethemeasurementresults.ExpressionsfortemperatureriseS
7、calemodelalongthetrajectoryDTmandcharacteristicflamewidthbTweredevelopedincorporatingthe0parameterQ.&2008ElsevierLtd.Allrightsreserved.1.Introductionbyentrainingquiescentambientairasgettingapartfromtheopening.However,expressionsoriginallydevelopedforverticallyWhena
8、fireinsideacompartmentdevelopstobeatitsascendingplumesarecommonlyadoptedingeneralizingwindowmostvigorousstage,flameswouldbeejectedfromtheopeningflam
