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The assessment of the fuel atomization based on vibroacoustic processes

Merkisz J., Markowski J., Balerlein M., Waligórski M., Madry J.

Silniki Spalinowe

2011

R. 50, nr 3

Diesel engine ecological parameters greatly depend on the course of the combustion process. An appropriate course of this process is conditional upon a proper mixture formation in the combustion chamber i.e. charge swirl and fuel atomization. The swirl of the charge results from the adopted design of the intake manifold, geometrical parameters of the combustion chamber and engine speed. The fuel atomization depends on the injection parameter and the conditions of the injector itself, particularly its nozzle. To date, the issue of a clear evaluation of the injector ability of obtaining appropriate atomization parameters remains unresolved. The paper presents the concept and the results of its validation based on the preliminary tests of fuel atomization in open space with the use of vibroacoustic processes.