PRF and Toluene/n-heptane Mixture Comparison in HCCI Mode Ignition Using Transient Species Measurements and Simplified Model Analysis, Supported by 0-D and 3-D Simulations

2015-01-1787

09/01/2015

Event
JSAE/SAE 2015 International Powertrains, Fuels & Lubricants Meeting
Authors Abstract
Content
Exhaust gas analysis has been conducted for a test engine operated in HCCI mode at hot ignition suppressed condition, to detect intermediate species formed in low temperature oxidation (LTO). PRF (isooctane/ n-heptane) and NTF (toluene/ n-heptane) were used as fuel mixtures. The LTO fuel consumption decreases with increasing iso-octane content in PRF and toluene content in NTF, but only NTF showed a nonlinear effect. These tendencies were reproduced by O-D and 3-D simulations with detailed chemistry; however, quantitative differences were found between chemical models. The essential mechanism of high octane number fuel affecting the ignition property of n-heptane is discussed by developing a simplified model summarizing chain reaction of LTO, in which OH reproduction and fuel + OH reaction rate play important roles.
Meta TagsDetails
DOI
https://doi.org/10.4271/2015-01-1787
Pages
7
Citation
Bin Hamidi, M., Bin Yunadi, M., and Tezaki, A., "PRF and Toluene/n-heptane Mixture Comparison in HCCI Mode Ignition Using Transient Species Measurements and Simplified Model Analysis, Supported by 0-D and 3-D Simulations," SAE Technical Paper 2015-01-1787, 2015, https://doi.org/10.4271/2015-01-1787.
Additional Details
Publisher
Published
Sep 1, 2015
Product Code
2015-01-1787
Content Type
Technical Paper
Language
English