Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

FP5

NEDENEF Berichtzusammenfassung

Project ID: G3RD-CT-1999-00021
Gefördert unter: FP5-GROWTH
Land: Italy

Application of 2D two colour measurements

2D two colour measurements can be considered a reliable technique to investigate on soot loading behaviour, providing further information on in-cylinder shooting tendency of diesel fuels. The peculiarity of the method is to measure simultaneously flame temperature, local soot concentration as well as total soot loading in the whole piston bowl.

This permitted to discriminate that a sensible fuel oxygenation change the way in which the soot is distributed improving the oxidation process.

The analysis of flame temperature shows that only for fuel with higher oxygen content higher flame temperature can be discriminated. The comparison between the bio-derived (RME) oxy fuel and the synthetic one have shown no important differences.

Results varying the fuel quality confirm that, also in the modern CR diesel engine, the presence of oxygen in the fuel reduces the in-cylinder soot loading.

Reported by

NATIONAL RESEARCH COUNCIL OF ITALY
Via Guglielmo Marconi 8
80125 NAPOLI
Italy
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