Influence of EGR and intake boost on GCI engine fueled with gasoline-biodiesel blend using early single injection mode

Abstract

Influence of EGR and intake boost on GCI engine fueled with gasoline-biodiesel blend using early single injection mode was investigated in this study. Tests were conducted on a single-cylinder direct-injection CI engine, with 5% by volume of biodiesel proportion in gasoline fuel blend. The engine control parameters namely EGR rate and intake pressure variation were adjusted to investigate their influences on combustion and emissions of the GCI engine with early single injection mode at 40 oCA BTDC. It is found that changes in EGR rates and intake boosting effect on performance, combustion, and emission of GCI engine with early injection mode.