In this study, the influence of compression ratio on engine performance and variations of auto-ignition timing in each cylinder were evaluated in a 4-cycle multi-cylinder natural gas engine with PCCI combustion system. In experiment, the compression ratio was systematically changed from 19 to 25. From the result, it was clarified that an increase in compression ratio makes not only the improvement of engine output and fuel economy but also the reduction of NOx emission, even though the mechanical loss is increased. Simultaneously, the variation of auto-ignition timing in each cylinder can also be reduced.
Influence of Compression Ratio on Performance and Variations in Each Cylinder of Multi-Cylinder Natural Gas Engine with PCCI Combustion
Sae Technical Papers
JSAE/SAE International Fuels & Lubricants Meeting ; 2007
23.07.2007
Aufsatz (Konferenz)
Englisch
British Library Conference Proceedings | 2006
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British Library Conference Proceedings | 2007
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