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Particulate Emissions From a Modern Light Duty CIDI Engine
ISSN: 0148-7191, e-ISSN: 2688-3627
Published June 03, 2002 by SAE International in United States
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This paper reports an effort to measure particulate emissions from a modern light duty CIDI engine equipped with a common-rail fuel injection system, a closed loop EGR system and a state-of-the-art aftertreatment system. Particulate emissions both upstream and downstream of the catalyst were measured using an SMPS system and a TEOM while operating the engine at various steady-state conditions. The measurements upstream of the catalyst show that the particulate emissions are strongly dependent on the engine speed, load and EGR conditions. The measurements downstream of the catalyst show the effectiveness of the catalyst in reducing particulate mass emissions by 20-80%, with reductions in particulate mean diameters averaging about 10%. The trends observed are discussed in terms of previously established particulate formation and destruction mechanisms.
CitationGupta, S., Cole, R., Vazquez, F., and Sekar, R., "Particulate Emissions From a Modern Light Duty CIDI Engine," SAE Technical Paper 2002-01-1869, 2002, https://doi.org/10.4271/2002-01-1869.
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