Experimental study of carbon monoxide for woods under spontaneous ignition condition 英文文献资料

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1、Fuelxxx(2012)xxx–xxxContentslistsavailableatSciVerseScienceDirectFueljournalhomepage:www.elsevier.com/locate/fuelExperimentalstudyofcarbonmonoxideforwoodsunderspontaneousignitionconditionLongShi⇑,MichaelYitLinChewDepartmentofBuilding,NationalUniversityofSingapore,4ArchitectureDrive,Singapore11756

2、6,Singaporehighlights"WeinvestigatedCOreleaserateandCOyieldofwoodsamplesbyspontaneousignition."AmodelpredictedCOyieldofwoodunderheatfluxandmoisturecontentwasdeveloped."Woods’thicknessshowlittleeffecttothepeakCOreleaserate.2"DecreaseofpeakCOreleaserateisnotobviousasheatfluxishigherthan50kW/m."Moistu

3、rereducesCOreleaserateandpostponestimetopeakCOreleaserate.articleinfoabstractArticlehistory:Toxicgasesaresignificantinfireriskevaluation.PreviousstudieshavefocusedontheircharacteristicsbyReceived1November2011pilotedignition.SpontaneousignitionisacomplexphenomenonthatcombustiblematerialsareignitedRe

4、ceivedinrevisedform20May2012byinternalheating,withoutthesparkplug.Comparingwithpilotedignition,processofspontaneousAccepted12June2012ignitionismuchclosertothedevelopmentofrealfire.Therefore,carbonmonoxide(CO)ofsixspeciesAvailableonline23June2012ofwoodsamplesunderexternalheatfluxbyspontaneousignitio

5、ninaconecalorimeterwasinvestigated.ResultsshowedthatinfluenceofthicknesstopeakCOreleaseratecanbeignored,buttimetopeakisKeywords:postponedwithahigherthickness.PeakCOreleaseratedecreaseswithahigherexternalheatflux,Autoignition2butthedecreaseisnotobviouswhenheatfluxincreasesfrom50to75kW/m.Theflamealsoha

6、sinflu-WoodCarbonmonoxideencestotheCOreleaserate.AsharpdecreaseofCOreleaseratehappensshortlyafterignitionandasec-Moisturecontentondpeakisneartheendoftheexperiment.MoisturereducesCOreleaserateandpostponestimetopeakConecalorimeterCOreleaserate.AnempiricalmodelofCOyieldofwoodsamplesunderdifferentexte

7、rnalheatfluxandmoisturecontentbyspontaneousignitionwasdeveloped.Thisempiricalmodelcanbeusednotonlyforfireriskevaluation,butalsoformodelinginputandvalidation.Ó2012PublishedbyElsevierLtd.1.IntroductionthatCOyielddependsonm