Combustion and Emission Characteristics of a PPCI Engine Fuelled with Dieseline

Paper #:
  • 2012-01-1138

Published:
  • 2012-04-16
Citation:
Zhang, F., Xu, H., Zeraati Rezaei, S., Kalghatgi, G. et al., "Combustion and Emission Characteristics of a PPCI Engine Fuelled with Dieseline," SAE Technical Paper 2012-01-1138, 2012, https://doi.org/10.4271/2012-01-1138.
Pages:
9
Abstract:
In this paper blends of diesel and gasoline (dieseline) fuelled Partially Premixed Compression Ignition (PPCI) combustion and the comparison to conventional diesel combustion is investigated. The tests are carried out using a light duty four cylinder Euro IV diesel engine. The engine condition is maintained at 1800 rpm, 52 Nm (equivalent IMEP around 4.3 bar). Different injection timings and different amounts of EGR are used to achieve the PPCI combustion. The results show that compared to the conventional diesel combustion, the smoke and NOx emissions can be reduced by more than 95% simultaneously with dieseline fuelled PPCI combustion. The particle number total concentration can be reduced by 90% as well as the mean diameter (from 54 nm for conventional diesel to 16 nm for G50 fuelled PPCI). The penalty is a slightly increased noise level and lower indicated efficiency, which is decreased from 40% to 38.5%.
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