Modelling NOx emissions from spark-ignition engines

Abstract A rapid chemical equilibrium composition model was applied to calculate the main combustion products from spark-ignition engines. The kinetic concentrations of oxides of nitrogen were evaluated on the basis of their equilibrium concentrations. To validate the model, experiments were carried...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering Journal of automobile engineering, 2000-08, Vol.214 (8), p.929-934
Main Author: Sodré, J. R.
Format: Article
Language:English
Online Access:Get full text
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Summary:Abstract A rapid chemical equilibrium composition model was applied to calculate the main combustion products from spark-ignition engines. The kinetic concentrations of oxides of nitrogen were evaluated on the basis of their equilibrium concentrations. To validate the model, experiments were carried out in a single-cylinder research engine. Results for CO, CO2, O2 and NOX emissions show good agreement between model and experiments for varied air-fuel ratio, speed, ignition timing, compression ratio and cylinder wall temperature.
ISSN:0954-4070
2041-2991
DOI:10.1177/095440700021400811