Chemical kinetics model for four-component gasoline surrogate fuels

doi:10.16511/j.cnki.qhdxxb.2015.22.015

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Abstract The sub-mechanism of toluene oxidation was identified using path and sensitivity analyses. A chemical kinetics mechanism for a four-component gasoline surrogate fuel made of iso-octane/n-heptane/ethanol/toluene includes 75 species and 305 elementary reactions. The validated results show that the mechanism gives good agreement with experimental data for the pure fuel ignition delay time, laminar flame speed, and chemical structure predictions. The model also predicts the ignition delay time of multi-component gasoline surrogate fuels in the specified pressure and temperature range and reproduces the auto-ignition characteristics of different research octane number (RON) gasoline fuels. Since this chemical kinetics model has few species and few reactions, the mechanism can be used in multidimensional, computational fluid dynamics (CFD) simulations of the gasoline combustion.

Keywords surrogate fuel ignition delay time laminar flame speed kinetic model toluene

ZTFLH:

TK418.9

Issue Date: 15 October 2015

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	ZHENG Dong
	ZHONG Beijing

Cite this article:

ZHENG Dong,ZHONG Beijing. Chemical kinetics model for four-component gasoline surrogate fuels[J]. Journal of Tsinghua University(Science and Technology), 2015, 55(10): 1135-1142.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2015.22.015 OR http://jst.tsinghuajournals.com/EN/Y2015/V55/I10/1135

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