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Correlation of Flame Propagation and In-Cylinder Pressure in a Spark Ignited Engine
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Abstract
Flame propagation results from individual combustion cycles obtained with either the multi-optical fiber technique or with high-speed schlieren cinematography (both combined with the ion current technique) are presented and discussed for different engine operating conditions. The flame propagation results are correlated with results from in-cylinder pressure measurements, which are performed simultaneously with the flame propagation measurements. It is shown that combustion cycles which have similar in-cylinder pressure traces often show different flame propagation behavior. Therefore, conditional sampling methods which use only in-cylinder pressure traces as a criterion to select individual combustion cycles are not very accurate. Additionally, flame propagation behavior must be considered when analyzing combustion cycles.
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Authors
Citation
Spicher, U. and Bäcker, H., "Correlation of Flame Propagation and In-Cylinder Pressure in a Spark Ignited Engine," SAE Technical Paper 902126, 1990, https://doi.org/10.4271/902126.Also In
References
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