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Study of particulate matter (PM) emission from single-cylinder diesel engine at multi-split injection

Balawender K., Woś P.

Silniki Spalinowe

2007

R. 46, nr SC3

137-143

The paper presents some results of PM emission obtained from a single cylinder, direct injection diesel engine equipped with common-rail injection system with fully free control signal changing. Injection rate shaping is limited only by dynamic properties of injector moving parts, but injection pressure can be adjusted from 60 up to 110 MPa. Investigations were made at a multi-split injection rate, i.e. three fuel doses, to determine an influence of different injection rates on PM emission. It was also noticed that comparing to engine operation with the standard in-line injection pump, combustion noise and exhaust smoke being the result of PM presence is significantly decreased.