Advanced Materials Research (Volumes 354 - 355) (2011) Pages 462-467
Research on
Combustion Characteristics and Emissions of Methanol-Diesel Fuel with Different
Additives
Journal
Cui Ping Zhang, Xu Mao Zhai, Yu Juan Li, Zhi Gang Sun
Abstract
Because methanol and diesel are almost not soluble,
studying methanol-diesel fuel is difficult. A 4100 turbocharged and intercooled
diesel engine was fueled with 0# diesel and M10 to study the emission and
combustion characteristics.
Various additives were used in the experiment. Result
demonstrate the maximum cylinder pressure and the peak of the heat release rate
in the initial stage of combustion for M10 with iso-octanol and isooctyl
nitrate as additive are higher than that of diesel. Soot emission, on the other hand, is lower
and NOx emission is slightly higher than diesel’. The maximum cylinder pressure
and the heat-release peak in the initial stage of combustion for M10 with
dimethyl ether as additive are both lower than diesel. The NOx and soot emissions are reduced. The
power of the two blend fuels is lower than that of diesel. However, the magnitude is small. At the same time, HC emission increases
slightly, while CO emission is little reduced.
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