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ID:7279850
大小:1.82 MB
页数:152页
时间:2018-02-10
《laminar burning speed measurement, autoignition and flame structure study of spherically expanding flames》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、LAMINARBURNINGSPEEDMEASUREMENT,AUTOIGNITIONANDFLAMESTRUCTURESTUDYOFSPHERICALLYEXPANDINGFLAMESADissertationPresentedbyAliMoghaddastoTheDepartmentofMechanicalandIndustrialEngineeringInpartialfulfillmentoftherequirementsforthedegreeofDoctorofPhilosophyinthefieldof
2、MechanicalEngineeringNortheasternUniversityBoston,MassachusettsOctober2015ProQuestNumber:3741482AllrightsreservedINFORMATIONTOALLUSERSThequalityofthisreproductionisdependentuponthequalityofthecopysubmitted.Intheunlikelyeventthattheauthordidnotsendacompletemanus
3、criptandtherearemissingpages,thesewillbenoted.Also,ifmaterialhadtoberemoved,anotewillindicatethedeletion.ProQuest3741482PublishedbyProQuestLLC(2015).CopyrightoftheDissertationisheldbytheAuthor.Allrightsreserved.Thisworkisprotectedagainstunauthorizedcopyingunder
4、Title17,UnitedStatesCodeMicroformEdition©ProQuestLLC.ProQuestLLC.789EastEisenhowerParkwayP.O.Box1346AnnArbor,MI48106-1346iiABSTRACTLaminarburningspeedisathermophysicalpropertyofacombustiblemixture.Itisameasureoftherateofenergyreleasedduringcombustioninquiescent
5、gasmixturesandincorporatestheeffectsofoverallreactionrates,energy(heat)ofcombustionandenergyandmasstransportrates.Thereareseveralexperimentaltechniquestomeasurelaminarburningspeedandtheycanbebroadlycategorizedintotwogeneralcategoriesofstationaryflamesmethodsand
6、thosethatarebasedonpropagatingflames.Investigationofsphericalflamepropagationinconstantvolumevesselsisrecognizedtobeoneofthemostaccurateapproachesforlaminarburningspeedmeasurementandflamestructurestudy.Inthisthesisflamestructure,laminarburningspeedandonsetofaut
7、oignitionarestudiedfordifferentpremixedcombustiblemixturesincludingn-decane,jet-fuels,andHydrofluorocarbon(HFC)refrigerantsinairathightemperaturesandpressuresoverawiderangeoffuel-airequivalenceratios.Theexperimentalfacilitiesconsistoftwosphericalandcylindricalv
8、essels.ThesphericalvesselisusedtocollectpressuredatatomeasuretheburningspeedandcylindricalvesselisusedtotakepicturesofflamepropagationwithahighspeedCMOScameralocatedinashado
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