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A Simulation Model for Transient Operation of Spark-Ignition Engines
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 1, 1990 by SAE International in United States
Annotation ability available
A generalized computer model for analysis of multicylinder spark-ignition engines under transient conditions is presented. The model utilizes a two-zone combustion submodel based on flame propagation. It accounts for heat transfer and uses a chemical-kinetics-based procedure for the prediction of nitric oxide and carbon monoxide concentrations. Non-linear wave interactions in the exhaust and intake manifolds are considered. For the transient analysis, a vehicle model is coupled to the engine via a geartrain.
The model was used to predict the behavior of two four-cylinder engines under a variety of transient operating conditions. The simulation enabled systematic analysis of the interaction between various dynamic, thermodynamic, and emission variables under transient operating conditions of the engines. Results obtained from the program indicate that the model can closely capture the transient behavior of an engine, making it a convenient analytical tool for the analysis of dynamically-operated engines.
CitationBaruah, P., "A Simulation Model for Transient Operation of Spark-Ignition Engines," SAE Technical Paper 900682, 1990, https://doi.org/10.4271/900682.
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