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Study of the Combustion Mechanism of Diesel Particulate Matter
Technical Paper
2007-01-3613
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
As a research of low temperature regeneration of DPF, combustion mechanism of diesel particulate matter (PM) trapped in DPF was investigated. For the assumption of PM combustion mechanism, the relationship between PM combustion characteristics and the physical properties of PM particles was investigated by using thermal and spectroscopic analysis methods. Experimental PM samples were produced under typical engine operating conditions using three representative fuels, two commercial diesel fuels containing aromatics (JIS-2 and Class 1) and a paraffin fuel that was prepared in a gas-to-liquid (GTL) process and did not contain any aromatics. Based upon these characteristics and combustion test results of the PM samples, a mechanism of the PM combustion was assumed. And the crystallinity of PM particles and existence of some surface functional groups containing oxygen are thought to be the important factors to lower the temperature of PM combustion., independent of the fuel type.
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Citation
Nishizawa, T., Akama, H., Kimura, S., Kitagawa, H. et al., "Study of the Combustion Mechanism of Diesel Particulate Matter," SAE Technical Paper 2007-01-3613, 2007, https://doi.org/10.4271/2007-01-3613.Also In
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