Mechanistic modeling of lubricant degradation: The autoxidation of alkanes

Linda J Broadbelt*, Jim Pfaendtner

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Automated mechanism generation was used to study the condensed-phase oxidation of decane and octane as a means to gain insights into the degradation of lubricating oils. First, a library of structure-reactivity relationships was established that enables the estimation of all kinetic data required for solving large reaction mechanisms that model lubricant degradation. Specific reaction rules are proposed that enable automated mechanism generation to be used, for the first time, to study condensed-phase free radical oxidation of large substrates. Models of decane oxidation were generated, and good agreement with available experimental data was achieved. The optimized parameters were then used to generate predictive models of octane autoxidation.

Original languageEnglish (US)
Title of host publicationAmerican Chemical Society - 235th National Meeting, Abstracts of Scientific Papers
StatePublished - Dec 1 2008
Event235th National Meeting of the American Chemical Society, ACS 2008 - New Orleans, LA, United States
Duration: Apr 6 2008Apr 10 2008

Other

Other235th National Meeting of the American Chemical Society, ACS 2008
Country/TerritoryUnited States
CityNew Orleans, LA
Period4/6/084/10/08

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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