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Detailed Particulate Characterization from HCCI Combustion for Future DPF Development
Technical Paper
2009-01-1185
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper presents the detailed characterization of particulate emissions from a NADI™ dual mode engine (HCCI at low load and conventional combustion at high load). Morphology, composition and chemical reactivity of the particulate matter generated on an engine running in HCCI mode have been specified and compared to the conventional mode reference.
Results showed that HCCI combustion formed particles with a higher volatile organic fraction due to the relatively high level of HC generated by this kind of combustion. Advanced soot characterization emphasized that HCCI soot is oxidized at a slower reaction rate than conventional soot, but with a lower temperature. This last characteristic could partially compensate the poor continuous regeneration effect due to low NO2 emission levels observed in HCCI combustion. Microscopic observation and particle sizing did not show significant differences between HCCI and conventional soot.
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Citation
Zinola, S. and Lavy, J., "Detailed Particulate Characterization from HCCI Combustion for Future DPF Development," SAE Technical Paper 2009-01-1185, 2009, https://doi.org/10.4271/2009-01-1185.Also In
References
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