Experimental and numerical studies are conducted on the formation of soot and Polycyclic Aromatic Hydrocarbons (PAHs), regarded as precursors of soot, during the combustion of fuel-rich homogeneous n-heptane mixtures. In-cylinder gases are sampled directly through a high-speed solenoid valve in engine tests, to be analyzed by GC/MS for qualifying PAHs. Smoke concentration is also measured. A numerical study is carried out by using a zero-dimensional model combined with detailed chemical kinetics. The experiments and computations show that PAHs can be predicted qualitatively by means of the present kinetic model.
Experimental and Numerical Studies on Soot Formation in Fuel Rich Mixture
Sae Technical Papers
2003 JSAE/SAE International Spring Fuels and Lubricants Meeting ; 2003
2003-05-19
Conference paper
English
Experimental and numerical studies in soot formation in fuel rich mixture
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