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Residual Gas Fraction Measurement in Spark Ignition Engines
Technical Paper
2005-24-078
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
To meet future pollutant emissions standards, it is crucial to be able to estimate the composition of the combustion chamber charge on a cycle by cycle basis. This charge consists of fresh air, fuel and residual gas from the previous cycle. Unfortunately, the residual gas fraction cannot be directly measured.
Therefore, a model of residual gas fraction as a function of engine parameters and operating parameters has been developed. The model has been calibrated with exhaust pipe hydrocarbon measurements using a successive dilution method.
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Citation
Giansetti, P., Higelin, P., Chamaillard, Y., and Charlet, A., "Residual Gas Fraction Measurement in Spark Ignition Engines," SAE Technical Paper 2005-24-078, 2005, https://doi.org/10.4271/2005-24-078.Also In
References
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