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Kinetic modeling of ethylene oxidation

✍ Scribed by P. Dagaut; M. Cathonnet; J.C. Boettner; F. Gaillard

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
995 KB
Volume
71
Category
Article
ISSN
0010-2180

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✦ Synopsis

The oxidation of ethylene was studied in a jet stirred flow reactor in the temperature range 900-1200K at pressures extending from 1 to 10 atm for a wide range of fuel-oxygen equivalence ratios (0.15--4.0). A computer program has been developed to model the experimental data using a chemical kinetic reaction mechanism. A direct method to determine the first order sensitivities of the mole fraction of each species with respect to the rate constants was used to develop the kinetic scheme. The present chemical kinetic reaction mechanism is able to reproduce our experimental results, although some discrepancies are observed for the minor products, particularly for acetylene. The validation of the present mechanism is extended to higher temperatures, in order to describe the oxidation of Ct and C2 hydrocarbons in shock tubes. The experimental ignition delays obtained behind reflected shock waves, by various authors, are compared with the predictions of the model. A good agreement is found for methane in the temperature range 1200-2150K, for ethane in the temperature range 1200-1700K, and for ethylene in the temperature range 1050-1900K.

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