Experimental Autoignition of C4-C6 Saturated and Unsaturated Methyl and Ethyl Esters

Details Experimental Autoignition of C4-C6 Saturated and Unsaturated Methyl and Ethyl Esters Experimental Autoignition of C4-C6 Saturated and Unsaturated Methyl and Ethyl Esters

2009-04-22

arxiv.org/abs/0904.3539v1

Physics

Chemical Physics

European Combustion Meeting 2009, Vienne : Autriche (2009)

Scientific paper

Autoignition delay times, ?, of methyl crotonate, methyl acrylate, ethyl butanoate, ethyl crotonate, and ethyl acrylate were studied in shock tube experiments. A series of mixtures diluted with argon, of varying fuel/oxygen equivalence ratios (?=0.25, 0.4, 1.0, and 2.0), were measured behind reflected shock waves over the temperature range of 1280-1930 K, pressure range of 7-9.65 atm, during which the logarithm of ? varies linearly as a function of the inverse temperature for all equivalence ratios. The ignition delay time decreases as temperature rises. The dependence of ? on temperature, and reactant concentrations is given in an empirical correlation. The results provide a database for the validation of small saturated and unsaturated esters kinetic mechanisms at elevated temperatures and pressure combustion.

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