Gasoline partially premixed combustion: high efficiency, low NOx and low soot by using an advanced combustion strategy and a compression ignition engine
by Vittorio Manente; Bengt Johansson; Per Tunestal; Marc Sonder; Simone Serra
International Journal of Vehicle Design (IJVD), Vol. 59, No. 2/3, 2012

Abstract: A light-duty engine Volvo D5 was run with gasoline to demonstrate that high-octane number fuels, in compression ignition engines, are able to achieve high efficiency, low NOx and soot simultaneously. An advanced three stage injection strategy was developed. A load sweep was performed between 6 and 17 bar IMEP and 2000 rpm. Gross indicated efficiency stays fairly constant at 47% with very low NOx and soot. In the second section of the paper, diesel was compared with gasoline, while in the final part the commercial 140°UA nozzle was compared with the narrower one, 120°, used in the above-mentioned experiments.

Online publication date: Tue, 23-Apr-2013

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