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Testing the validity of a mechanism describing the oxidation of binary n-heptane/toluene mixtures at engine operating conditions

  • The aim of this work is to evaluate the influence of the n-heptane/toluene ratio on the reactivity of binary toluene reference fuels (TRFs), through a combined experimental and numerical work. Novel experimental ignition delay time (IDT) data of three binary TRFs of varying n-heptane/toluene ratios have been obtained in a high-pressure shock tube and in a rapid compression machine at conditions relevant to novel engine operation. Measurements have been performed at two pressures (10 and 30 bar), and at three fuel/air equivalence ratios (0.5, 1.0 and 2.0) for TRF mixtures of 50%, 75% and 90% by volume toluene concentration, over the temperature range of 650–1450 K. It was found that, increasing the n-heptane content, led to an increase in reactivity and shorter measured IDTs. Reduced sensitivity to the equivalence ratio was observed at high temperatures, especially for high toluene content mixtures. A …

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Author: Zisis Malliotakis, Colin Banyon, Kuiwen Zhang, Scott W. Wagnon, Jose Juan Rodriguez Henriquez, George Vourliotakis, Christos Keramiotis, Maria Founti, Fabian MaußORCiD, William J. Pitz, Henry J. Curran
DOI:https://doi.org/10.1016/j.combustflame.2018.10.024
ISSN:0010-2180
Title of the source (English):Combustion and Flame
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2019
Tag:The aim of this work is to evaluate the influence of the n-heptane/toluene
Volume/Year:199
First Page:241
Last Page:248
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Thermodynamik / Thermische Verfahrenstechnik
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