Abstract
Abstract An improved chemical mechanism for the combustion of propane has been developed which describes experimental results for a broad range of ignition and combustion phenomena. Simulations of shock tube induction times, measurements of chemical component concentrations in flow reactor experiments, flame speeds, and flame compositions have been carried out with a reasonable degree of success. The rate-determining reactions for some of the experimental simulations have been determined with “brute force” sensitivity analysis Minimum ignition energies were also calculated for spherical ignitions where the ignition energy was added in the form of internal energy which served only to increase the temperature of the gas (heat). The calculated minimum ignition energy gave reasonable agreement with the experimental value for near-stoichiometric mixtures. The H = 02 = OH + O reaction was shown to play a dominant role in determining the minimum ignition energy. This paper also attempts to correct errors which a...
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