In order to deal with upcoming and ever-more stringent diesel engine exhaust emissions limits, efficiency requirements, and after-treatment technology, further technology advancement has been required of the fuel injection system. In this research, CRS with the capability of varying the injection rate shape installed on a single cylinder and a multi-cylinder test engine, and tests were carried out. Results showed that with control of the injection rate shape, it became possible to control combustion and improve the NOx-fuel consumption and NOx-PM trade offs by offering the ability to optimize the injection rate. This leads one to believe that injection rate shape control is an essential function for future fuel injection systems.
Effect of Fuel Injection Rate Control on Reduction of Emissions and Fuel Consumption in a Heavy Duty DI Diesel Engine
Sae Technical Papers
SAE 2005 World Congress & Exhibition ; 2005
2005-04-11
Conference paper
English
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