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Comparison of PRF and toluene/n-heptane mixture fuel in the mechanism of compression ignition using CA resolved sampling

Journal Article
2011-01-1785
ISSN: 1946-3952, e-ISSN: 1946-3960
DOI: https://doi.org/10.4271/2011-01-1785
Published August 30, 2011 by SAE International in United States
Comparison of PRF and toluene/n-heptane mixture fuel in the mechanism of compression ignition using CA resolved sampling
Sector:
Citation: Yamashita, A., Kosaki, H., and Tezaki, A., "Comparison of PRF and toluene/n-heptane mixture fuel in the mechanism of compression ignition using CA resolved sampling," SAE Int. J. Fuels Lubr. 5(1):34-40, 2012, https://doi.org/10.4271/2011-01-1785.
Language: English

Abstract:

Chemical kinetic mechanism of compression ignition with PRF (iso-octane/ n-heptane) and NTF (toluene/ n-heptane) is investigated according to crank angle resolved in-cylinder sampling experiments. Profiles of two-stage consumption of fuel components in accordance with the timings of heat releases have been obtained. As well, production and consumption of intermediate species were observed. It was found that toluene consumption at the first stage is considerably less than that of n-heptane, whereas iso-octane consumption is comparable to that of n-heptane, which is accounted for by the smaller rate constant of toluene with OH. N-heptane and iso-octane are considered to produce formaldehyde; however, toluene has no or little contribution.

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