油罐火灾的辐射特性及火焰结构研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,300381):,,,(),,:;;:X913,TK121:A:1009-0029(2009)01-0005-04,,,,,,,NIST,1112.7m,2,45,1030,,1öm0.493#0.693#1.093#2.72.793#151593#2öLmömmöLminömradNipponAvionicsCo.Ltd.3.05.425412.1812,2.1215m15m,LöD=7.1,L,D,,,30%2LöD=7.1,3LöD=5,,D3m,,520091281©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=3m,1,,,3LöD=5,,2.24,5,HöHf,H,Hf,2.7m,HöHf=0.10.2,15m,75%(0HöHf0.4)2.7m,HöHf=0.0835kWöm2,HöHf=0.12120kWöm2HöHf=0.8,,,2.7m,HöHf=0.3,220kWöm2,2.3,2.3.1,,Mulholland(ö),D=3mD3m,,LöD=5,(2),,Mulholland,,,,,12.7m,D=2m:1m,;2.7m,,2m,,,2.3.260.6mMcCaffrey,6FireScienceandTechnology,January2009,Vol28,No.1©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(cont.)Hf65%,Hf(cont.)Hf70%90%,,Hesketad,Hf20%40%,,60.6m2.3.376m,60,,,HöHf=0.3,,8,50m,30m50m1380,,,3m,76m2.3.45890.3m0HöHf0.6(),,0HöHf1.2(),,HöHf1.2(),0HöHf1.2,90.3m2.3.5,CO2,CO23:CO23=CCO2ö(CCO2+CCO+CH2O+CCMN)CO23=0.681,,10HöHf=0.3,CO23=0.550.6,,HöHf=0.3,,HöHf0.32.4,,,720091281©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=0.3,HöHf=0.61.2,15m,2.715m10CO233,,,HöHf0.3,,HöHf=0.3:[1]EvansD,etal.Proceedingof15thAMOPTechnicalseminar[C],1992,593.[2]Mulholland,etal.Insituburningofoilspills[J].FireSafetyScience,1989,(2):347.[3]KosekiH,Mulholland.Aninternationalsurveyofcomputermodelsforfireandsmokes[J].FireTechnology,1991,27(1):54.[4]Mulholland,etal.Proceedingsof13thUJNRMeeting[C].March1996.[5]FRITechnicalReportNo.8(inJapanese),1976.[6]YumotoT,KosekiH.FRIReport59(inJapanese),1985.[7]KosekiH,YumotoT.Tomakomailargescalecrudeoilfireexperiments[J].FireTechnology,1988,24(1):33.[8]KosekiH,YumotoT.Thebehaviorofpoolfirestateoftheartandnewinsight[J].FireSafetyScience,1988,(2):231.[9]McCaffreyB.NBS-IR79-19109.1979.[10]HeskestadG.Thesizeofflamesfromnaturalfires[J].FireSafetyJournal,1983,(5):103.[11]JASE.OilTankFireTest(inJapanese),1981.,:öNFPA472;EMSNFPA472(ANSI)250300,4000StudyontheradiationpropertiesandflamestructureofhydrocarbonpoolfiresZHENGWei,LIANGGuo2fu(TianjinFireResearchInstituteofMPS,Tianjin300381,China)Abstract:Inordertounderstandpropertiesoflargepoolfiresandflamestructure,externalradiationwasmeasuredinseveralsizepanfireexperiments.Inlargefires,radiationwasblockedbyahugeamountofsmokearoundtheflame,andmostoftheradiationwasemittedfromflamebase.Inordertoexplainthisresult,otherproperties,suchassmokeemission,flametemperature,gasvelocityandgasconcentrationintheflame,andtheburningratewerealsomeasured.Discussionoftheradiationandflamestructureispresentedbasedonthesedata.Thestudyfoundthatmostcombustionwascompletedinthelowpartofflame,andgasflowintheradialdirectionintheupperpartofflameplayedanimportantroleinemittingsmoke.Keywords:pool;flamestructure;radiation:(1979-),,,,,,110,300381:2008-09-118FireScienceandTechnology,January2009,Vol28,No.1