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Optimizing the Six Litre Diesel for Low Emissions
Published January 01, 1990 by Associazione Tecnica Dell'Automobile in Italy
Meeting the emissions challenge in the medium duty engine class is the subject of a major research programme underway at Ricardo; the ultimate goal is development of a cost effective, low emission, medium duty direct injection (DI) demonstration engine. This paper reports the first stage of the study, which in total will span a period of several years. To date, a six litre DI engine has undergone initial combustion system development using a high pressure sleeve control in- line fuel pump with the objective of demonstrating fundamental requirements for minimum emissions and good economy. The potential for further improvement is considered.