Horizontal Combinations

Combustion Kinetics Laboratory

Aerospace and Mechanical Engineering

Professor Hai Wang

                                                                                                                                                                                                                                                                                                                                                                                                                

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Reaction Mechanism of C3 Fuel Combustion

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Authors

S. G. Davis and C. K. Law
Department of Mechanical and
Aerospace Engineering 
Princeton University

Princeton, NJ 08544-5263

H. Wang
Department of Mechanical Engineering 
University of Delaware
Newark, DE 19716-3140

Abstract

"Propene pyrolysis and oxidation kinetics in a flow reactor and laminar flames" Combustion and Flame 119, pp. 375-399 (1999).

The pyrolysis and oxidation of propene were studied experimentally in an atmospheric flow reactor. Species profiles were obtained in the intermediate to high temperature range (similar to 1200 K) for lean, stoichiometric, rich, and pyrolytic conditions. Laminar flame speeds of propene/air mixtures were also determined over an extensive range of equivalence ratios, at room temperature and atmospheric pressure, using the counterflow twin flame configuration. A detailed chemical kinetic model consisting of 469 reactions and 71 species was used to describe the high-temperature kinetics of propene, propyne, allene, and propane. It was shown that the kinetic model could accurately predict a wide range of combustion data for these fuels, including laminar premixed flame speeds, speciation in how reactors, and ignition in shock tubes. Notable uncertainties in the reaction kinetics of these fuels are identified and discussed.

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Related
Publications

1.                    S. G. Davis, C. K. Law and H. Wang, "Propyne pyrolysis in a flow reactor: An experimental, RRKM, and detailed kinetic modeling study." Journal of Physical Chemistry A 103: 5889-5899 (1999).

2.                    S. G. Davis, C. K. Law and H. Wang, "An experimental and kinetic modeling study of propyne oxidation." Twenty-Seventh Symposium (International) on Combustion, The Combustion Institute, Pittsburgh, 1999, pp. 305-312.

3.                    H. Wang and M. Frenklach, "A detailed kinetic modeling study of aromatics formation in laminar premixed acetylene and ethylene flames." Combustion and Flame 110: 173-221 (1997).

4.                    C. J. Sun, C. J. Sung, H. Wang, and C. K. Law, "On the structure of nonsooting counterflow ethylene and acetylene diffusion flames." Combustion and Flame 107: 321-335 (1996).


Created May 2000, by Hai Wang