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ABSTRACT
Acetaldehyde oxidation in a jet-stirred reactor has been investigated at high temperature (∼900-1300 K) in the pressure range l-10atm. Molecular species concentration profiles of O0, H2, CO, CO2, CH2O, CH4, C2H2, C2H4, C2H6, C3H6, and CH3HCO were obtained by probe sampling and GC ańalysis. Acetaldehyde ignition in shock waves has been investigated in a wide range of conditions (0.5 ≤ φ ≤,2, 1230-2530 K., 2-5 aim), and ignition delay times have been measured. Acetaldehyde oxidation in these conditions was modeled using a comprehensive kinetic reaction mechanism. The proposed mechanism is able to reproduce experimental data obtained in our high-pressure jet stirred reactor and ignition delays measured in shock tube. The same mechanism has also been validated for the oxidation of CH4,C2H2, C2H4, C2H6, C3H6, C3H8, 1-butene, n-butane, mixtures of CH4 with C2H6 and/or C3H8 in the same conditions.
