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Diesel Engine Cold Start Combustion Instability and Control Strategy
Technical Paper
2001-01-1237
ISSN: 0148-7191, e-ISSN: 2688-3627
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Event:
SAE 2001 World Congress
Language:
English
Abstract
Combustion instability and white smoke emissions are serious problems during cold starting of diesel engines. In this investigation, a model has been applied to predict misfiring based on an analysis of the autoignition process. The effect of injection timing on combustion instability during the cold start transient, at different ambient temperatures is investigated, both theoretically and experimentally. Maps have been developed to show the zones where misfiring would occur. The experimental work was conducted on a direct injection heavy-duty diesel engine in a cold room. The room temperature covered a range from 21 ° C to -10 ° C. The cycle-by-cycle data analysis was made and results plotted on the developed maps. The experimental results correlated fairly well with the model prediction. Based on the analysis, a new strategy for cold starting can be developed to reduce combustion instability and white smoke emissions.
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Han, Z., Henein, N., Nitu, B., and Bryzik, W., "Diesel Engine Cold Start Combustion Instability and Control Strategy," SAE Technical Paper 2001-01-1237, 2001, https://doi.org/10.4271/2001-01-1237.Also In
References
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