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锥形量热仪的工作原理及应用(266042)E2mail:qgwang@263.sina.com,,,;;TH89ThePrincipleandApplicationoftheConeCalorimeterWangQingguo,ZhangJun,ZhangFeng(QingdaoUniversityofScienceandTechnology,Qingdao266042,China)AbstractTheconecalorimeterhasmoreadvantagesthantheconventionalinstrumentsinmeasuringthecombus2tionpropertiesofmaterialsinrealfire.Theprincipleandapplicationoftheconecalorimeterareintroducedinthispa2per.Also,thecombustionpropertiesobtainedbyusingtheconecalorimetercanbeusedforthematerialdesigningandfireforecasting.KeywordsConecalorimeter;oxygendepletionprinciple;combustionproperty,,(LOI)ULNBS,,,,1982Babrauskas(ConeCalorimeter,CONE)CONE,,,,CONE(ISO)CONE,,CONE[1],ISO,,,CONE1锥形量热仪(CONE)的构造CONE,1111;,:2002-8-28:/9730(2001CB40960103):,,1971,,,36ModernScientificInstruments200361112CONE,(10-4),,113,,114,(SEA)115,,,116,,,;,117CO2H2O()2锥形量热仪(CONE)的工作原理CONE,,(E)Thornton[2]1918,1980Huggett[3],(E)13.1kJ/g,E5%[4],,,Q=E(mO2,]-mO2)(1),E=$HCr0,$HCr0,$HCr0,,O2(q#)q#=E(m#O2,]-m#O2)=$HCr0m#AMO2MAxA0O2-xAO21-xAO2=$HCr0m#e[1+(A-1)]MO2MAxA0O2-xAO21-xAO2=$HCr0m#eMO2MAxA0O2-xAO2A-BxAO2(2)m#e=m#N2+m#O2+m#H2O+m#CO2+m#CO(3)m#A=m#0N2+m#0O2+m#0H2O+m#0CO2(4),A,A=1+BxAO2-xAO2,B;,=xA0O2-xAO2xA0O21-xAO2E=13.1@103kJ/kg,MO2/Ma=32/28.95=1.1,xA0O2=0.2095,m#e=c$PTe($P;Te;C),A=1.105,B=1.5(),q#=13.1@103@1.1@c$PTe0.2095-xAO21.105-1.5xAO2(5)3锥形量热仪(CONE)法中燃烧性能的测定CONE[5],,,3720036,,,311(HeatReleaseRate,HRR)HRR,,,q#d=q#A=1A$HCr0@1.10@c$PTex002-xO21.105-1.502(6)HRR,kW/m2;HRR(PeakofHHR,pkHRR),pkHRRHRRpkHHR,,312(TotalHeatRelease,THR)THR,,THR=Qtendt=0HRR,MJ/m2HRRTHR,,313(MassLossRate,MLR)MLR,MLR5,-[m#]i=0=25m0-48m1+36m2-16m3+3m412$t(7)-[m#]i=1=10m0+3m1-18m2+6m3-3m412$t(8)-[m#]i=-mi-2+8mi-1-8mi+1-mi+212$t(9)-[m#]i=n-1=-10mn-3mn-1+18mn-2-6mn-3+mn-412$t(10)-[m#]i=n=-25m0+48mn-1-36mn-2+16mn-3-3mn-412$t(11),$t;01,n-1n,iMLRg/S,CONE,,314(SmokeProduceRate,SPR)SPR,m2/S,SPR=SEAMLR(12)SEA(SpecificExtinctionArea),SEA,,,m2/kg,SEASEA=OD#VflowMLR(13)OD),Vflow),(TotalSmokeRate),TSR=QSPR,TSR,m2/m2315(EffectiveHeatCombustion,EHC)EHCt,,,EHC=HRRMLR(14)EHCMJkg-1316(TimetoIgnition,TTI)TTI(:S),,TTI317,CO,HCN,SO2,HCl,H2S,,4锥形量热仪(CONE)的应用CONE,CONE411HRR,pkHRRTTI,HRR,pkHRR,TTI,;,412EHC,HRRSEA38ModernScientificInstruments20036HRR,,EHCSEA;,,EHC,HRR,MLR,413CONE,CONEHRR,,,,HRR5发展动态CONE,CONE,,CONE,CONE:ASTME1354-94)));NFPA264A)));ISO5660-1)));BS476Part15))),,CONE,CONE,HRR,E;,E,,,CONE,,,,CONE,参考文献[1]GB/T16172-1996.(219),:,1997,P224-236.[2]Thornton,W.TheRelationofOxygentotheHeatofCombustionofOrganicCompounds,PhilosophicalMagazineandJ.ofScience,1917,33(196):28~37[3]ClaytonHuggett.EstimationofRateofHeatReleasebyMeansofOxygenConsumptionMeasurements,FireandMaterials,1980,4,(2):61~65,[4]Joshi,R.M.InEncyclopediaofPolymerScienceandTechnology,NewYork:Interscience,1970.13:788~831[5]User.sGuidefortheConeCalorimeter.U.K.:FireTestingTechnologyLimited,2000(26),,98%,,,,,4结论,/0,,,,,参考文献[1].,:,1985[2],,,.,,2002,19(6):334~335[3].,:,2000.177~1783920036