Experiments and modeling of the autoignition of methyl-cyclohexane at high pressure

B. W. Weber, W. J. Pitz, C. J. Sung, M. Mehl, E. J. Silke, A. C. Davis

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

3 Scopus citations

Abstract

The autoignition delays of mixtures of methyl-cyclohexane (MCH), oxygen, nitrogen, and argon have been studied in a heated rapid compression machine under the conditions Pc = 50 bar, Tc = 690 - 910K. Three different mixture compositions were studied, with equivalence ratios ranging from φ = 0.5 - 1.5. The trends of the ignition delay measured at 50 bar were similar to the trends measured in earlier experiments at Pc = 15.1 and 25.5 bar. The experimentally measured ignition delays were compared to a newly updated chemical kinetic model for the combustion of MCH. The model has been updated to include newly calculated reaction rates for much of the low-temperature chemistry. The agreement between the experiments and the model was substantially improved compared to a previous version of the model. Nevertheless, despite the encouraging improvements, work continues on further advances, e.g. in improving predictions of the first stage ignition delays.
Original languageEnglish (US)
Title of host publication8th US National Combustion Meeting 2013
PublisherWestern States Section/Combustion Institute
Pages3064-3071
Number of pages8
ISBN (Print)9781627488426
StatePublished - Jan 1 2013

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