Spray guided DISI, a next-generation DISI system, is now under development as a gasoline engine which will contribute to improving fuel consumption. The authors have carried out a study to improve fuel consumption and exhaust emissions resulting from a spray guided DISI system with a center injection structure, which is being developed as a system with superior combustion stability.The primary issue for the center injection structure is to reduce changes in the fuel spray characteristics resulting from carbon deposits near the injector nozzle holes. The secondary issue for this structure is to improve the mixture formation.To address these two issues, the authors have studied the following measures, which have been shown to maintain stable combustion conditions, as well as offer some improvement to fuel consumption and exhaust emissions performance.
Improvement of Center Injection Spray Guided DISI Performance
Sae Technical Papers
SAE 2006 World Congress & Exhibition ; 2006
2006-04-03
Aufsatz (Konferenz)
Englisch
Improvement of center injection spray guided DISI performance
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