Experimental and modelling study of gasoline surrogate mixtures oxidation in jet stirred reactor and shock tube

Abstract : The oxidation of several mixtures of surrogate for gasoline was studied using a jet stirred reactor and a shock tube. One representative of each classes constituting gasoline was selected: iso-octane, toluene, 1-hexene and ethyl tert-butyl ether (ETBE). The experiments were carried out in the 800–1880 K temperature range, for two different initial pressures (0.2 and 1 MPa), with an initial fuel molar fraction of 0.001. The equivalence ratio varied from 0.5 to 1.5. Each hydrocarbon sub-mechanism was validated using shock tube data. The full mechanism describing the surrogate fuel oxidation is constituted of the sub-mechanisms for each fuel components and by adding interaction reactions between different hydrocarbon fragments. Good agreement between the experimental results and the computations was observed under JSR and shock tube conditions.
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https://hal.archives-ouvertes.fr/hal-02020347
Contributor : Philippe Dagaut <>
Submitted on : Friday, February 15, 2019 - 11:00:22 AM
Last modification on : Friday, April 19, 2019 - 10:29:09 AM

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M. Yahyaoui, N. Djebaïli-Chaumeix, P. Dagaut, C.-E. Paillard, S. Gail. Experimental and modelling study of gasoline surrogate mixtures oxidation in jet stirred reactor and shock tube. Proceedings of the Combustion Institute, Elsevier, 2007, 31 (1), pp.385-391. ⟨10.1016/j.proci.2006.07.179⟩. ⟨hal-02020347⟩

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