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The Prediction of Auto Ignition in a Spark-Ignited Engine
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 01, 1984 by SAE International in United States
Annotation ability available
A constant volume combustion simulation has been used to compute the ignition delays of pure fuels and binary fuel mixtures in air. Minima in the ignition delays were predicted by a comprehensive chemical kinetic mechanism for binary fuel mixtures with methane. A model has been developed to predict the occurrence of autoignition in a spark ignited engine. Experimental pressure data from a CFR engine were used in the model to simulate the temperature-pressure history of the end gas and to determine the time when autoignition occurred. Comprehensive chemical kinetic mechanisms were used to predict the reactions in the end gas. Methanol, methane, ethane, ethylene, propane and n-butane were used as fuels. The initial temperatures in the model were adjusted to give agreement between predicted and observed autoignition. Engine data for methane-ethane mixtures indicated a problem with the kinetic mechanism.
CitationDimpelfeld, P. and Foster, D., "The Prediction of Auto Ignition in a Spark-Ignited Engine," SAE Technical Paper 841337, 1984, https://doi.org/10.4271/841337.
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