Z. Huang et al., Combustion characteristics and hydrocarbon emissions of a spark ignition engine fuelled with gasoline-oxygenate blends, P I MEC E D, 214(D3), 2000, pp. 341-346
Citations number
14
Categorie Soggetti
Mechanical Engineering
Journal title
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING
Combustion characteristics and hydrocarbon emissions in a spark ignition en
gine operating on oxygenated fuel blends are studied, and the mass fraction
burned and engine hydrocarbon emissions are analysed. Calculation results,
based on the recorded pressure diagram, show that the flame development an
d rapid burn angles of gasoline-ether blends generally decrease and the max
imum cylinder pressure increases as compared with those of gasoline. The fl
ame development angle and rapid burn angle decrease when the fraction of al
cohol fuels in gasoline is small, whereas they increase when the fraction o
f alcohol fuels is large. The experimental results show that engine exhaust
hydrocarbon emissions can be reduced by blending oxygenated fuels in gasol
ine rather than operating on neat gasoline. Operating on gasoline-ether ble
nds rather than on gasoline-alcohol fuel blends and neat gasoline greatly r
educes hydrocarbon emissions.