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Chemical Kinetic Study of the Oxidation of a Biodiesel−Bioethanol Surrogate Fuel: Methyl Octanoate−Ethanol Mixtures †
Abstract : There is a growing interest for using bioethanol−biodiesel fuel blends in diesel engines but no kinetic data and model for their combustion were available. Therefore, the kinetics of oxidation of a biodiesel−bioethanol surrogate fuel (methyl octanoate−ethanol) was studied experimentally in a jet-stirred reactor at 10 atm and constant residence time, over the temperature range 560−1160 K, and for several equivalence ratios (0.5−2). Concentration profiles of reactants, stable intermediates, and final products were obtained by probe sampling followed by online FTIR, and off-line gas chromatography analyses. The oxidation of this fuel in these conditions was modeled using a detailed chemical kinetic reaction mechanism consisting of 4592 reversible reactions and 1087 species. The proposed kinetic reaction mechanism yielded a good representation of the kinetics of oxidation of this biodiesel−bioethanol surrogate under the JSR conditions. The modeling was used to delineate the reactions triggering the low-temperature oxidation of ethanol important for diesel engine applications.
https://hal.archives-ouvertes.fr/hal-02020238
Contributor : Philippe Dagaut Connect in order to contact the contributor
Submitted on : Friday, February 15, 2019 - 10:16:50 AM
Last modification on : Tuesday, October 12, 2021 - 5:20:46 PM
Contributor : Philippe Dagaut Connect in order to contact the contributor
Submitted on : Friday, February 15, 2019 - 10:16:50 AM
Last modification on : Tuesday, October 12, 2021 - 5:20:46 PM