A numerical study of the effects of reformer gas composition on the combustion and emission characteristics of a natural gas/diesel RCCI engine enriched with reformer gas

•Shortened ignition delay and advanced CA50 were obtained with higher CO content.•RI and PRR were increased significantly with increasing CO fraction in the syngas.•By syngas enrichment, CO and NOx declined as the H2 in the mixture increased.•High-H2 mixtures requires intake preheating more than one...

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Bibliographic Details
Published in:	Fuel (Guildford) Vol. 209; pp. 742 - 753
Main Authors:	Rahnama, Pourya, Paykani, Amin, Bordbar, Vahid, Reitz, Rolf D.
Format:	Journal Article
Language:	English
Published:	Kidlington Elsevier Ltd 01-12-2017 Elsevier BV
Subjects:	Burning Burning rate Catalysis Combustion Combustion efficiency Combustion products Composition Composition effects Compression Delay Diesel Diesel engines Efficiency Emissions Exhaust emissions Exhaust gases Exhaust pipes Gas composition Gasoline Heating Hydrogen storage Ignition Loads (forces) Low load Natural gas Natural gas industry Numerical analysis Peak pressure Pressure Reactivity Reactivity controlled compression ignition (RCCI) Reformer gas Synthetic fuels Temperature Reformer gas Low load Composition Reactivity controlled compression ignition (RCCI) Efficiency Emissions
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