Browse Publications Technical Papers 2005-01-1235
2005-04-11

Minimization of Particulate Raw Emissions from CR-Diesel Engines - A Key-Element to Limit the Increase in Complexity of Exhaust Gas After-Treatment 2005-01-1235

The present paper describes a study of the basic parameters, which govern particulate (soot) formation within the combustion chamber of a small displacement (1.3 liter) turbocharged European CR-diesel engine.
The main tools used for the study are a real fired engine, a numerical virtual engine and a special high ambient pressure vessel for injector spray visualization. The paper describes an improved soot formation model implemented in the virtual engine setup. A comparison is presented between measured and computed combustion data at 8 different load points.
The paper concludes with a discussion of the means, which can be used to minimize the particulate matter formation in the design phase of both the combustion layout and the fuel injector atomizer as well as in the design of the injection control strategies.

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