A new chemical kinetic method of determining RON and MON values for single component and multicomponent mixtures of engine fuels

A new method of using chemical kinetic reaction modeling to predict the Research Octane Number (RON) and Motor Octane Number (MON) of single component fuels and fuel mixtures is described and illustrated via comparisons between computed and experimental values obtained using the well-established AST...

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Bibliographic Details
Published inCombustion and flame Vol. 195; no. C; pp. 50 - 62
Main Authors Westbrook, C.K., Sjöberg, M., Cernansky, N.P.
Format Journal Article
LanguageEnglish
Published New York Elsevier Inc 01.09.2018
Elsevier BV
Elsevier
Subjects
Chemical reactions
Engine tests
Ethanol
Fuel mixtures
Fuels
Gasoline
Hydrocarbons
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Kinetics
Mathematical models
Modelling
Octane number
Octane ratings
Organic chemistry
Toluene
Octane ratings
Kinetics
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Summary:A new method of using chemical kinetic reaction modeling to predict the Research Octane Number (RON) and Motor Octane Number (MON) of single component fuels and fuel mixtures is described and illustrated via comparisons between computed and experimental values obtained using the well-established ASTM test procedures in a Cooperative Fuels Research (CFR) engine. Comparisons include predictions of RON and MON for a large variety of neat fuels, studies determining the RON and MON of mixtures of primary reference fuels (PRF) and toluene, and studies of RON and MON for mixtures of single-component and multiple-component gasoline surrogate mixtures with ethanol. Advantages in costs, time, and experimental complexity of the kinetic modeling approach compared to the existing engine test procedures are discussed.
Bibliography:AC52-07NA27344; NA0003525
USDOE National Nuclear Security Administration (NNSA)
LLNL-JRNL-748766
ISSN:0010-2180
1556-2921
DOI:10.1016/j.combustflame.2018.03.038