Kinetics of OH chemiluminescence in the presence of hydrocarbons
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OH chemiluminesce, the well-known methane chemistry, was modeled using GRI-mech 3.0, to which the important OH* reactions were added, along with appropriate thermodynamic data. The thermodynamic properties of OH* were assumed to be the same as those of OH(X) with the exception of the enthalpy of formation at the reference state, Hf° (298 K), which was calculated by addition of the photon energy to the enthalpy of formation of the ground state at 298 K. Sensitivity analyses were performed with the Shuck and Senkin routines of the Chemkin collection and indicated that R1 dominates OH* formation at the time of peak concentration. The end result of this work is a quantitative kinetics model of common combustion diagnostic, applicable to high-temperature conditions and hydrocarbon fuels. This is an abstract of a paper presented at the 30th International Symposium on Combustion (Chicago, IL 7/25-30/2004).
author list (cited authors)
Hall, J. M., & Petersen, E. L.