?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+Numerical+Study+of+the+Kinetic+Origins+of+Two-Stage+Autoignition+and+the+Dependence+of+Autoignition+Temperature+on+Reactant+Pressure+in+Lean+Alkane-Air+Mixtures&rft.creator=Battin-Leclerc%2C+Frederique&rft.creator=Buda%2C+Frederic&rft.creator=Glaude%2C+Pierre-Alexandre&rft.creator=Griffiths%2C+John&rft.creator=Hughes%2C+Kevin&rft.creator=Porter%2C+Richard&rft.creator=Tomlin%2C+Alison&rft.description=In+this+work+we+investigate+by+numerical+methods%2C+the+autoignition+temperature+of+lean+mixtures+of+n-butane+in+air%2C%0D%0Aand+show+how+it+varies+within+a+range+of+temperatures+and+compositions.+We+show+that+relatively+small+increases+of%0D%0Apressure+above+atmospheric%2C+of+even+rather+lean+mixtures%2C+can+autoignite+at+550+K.+The+primary+results+are+evaluated%0D%0Awith+respect+to+published+experimental+studies.+The+kinetic+foundation+is+then+analysed+by+formal+numerical%0D%0Amethods+to+trace+the+origins+of+the+dramatic+shifts+in+autoignition+temperatures+as+conditions+are+changed.+The+most%0D%0Aimportant+reactions+leading+to+hydrogen+peroxide+formation+are+identified+using+rate+of+production+analysis%2C+and+the%0D%0Agreatest+heat+releasing+reactions+are+determined+in+the+transition+from+cool+flame+to+ignition.&rft.publisher=European+Combustion+Meeting+(ECM)&rft.date=2005-04-06&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+European+Combustion+Meeting+2005.++++European+Combustion+Meeting+(ECM)%3A+Louvain+la+Neuve%2C+Belgium.+(2005)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10183572%2F1%2FA_Numerical_study_of_the_kinetic_origins_of_two-st.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10183572%2F&rft.rights=open