NDLI: Modeling the Effect of Nozzle Hole Geometry on Diesel Injection and Combustion

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Chiatti, G. Chiavola, O. Palmieri, F.
Copyright Year	2010
Abstract	The performance of the ensemble diesel engine-injection system has been investigated by modeling; different approaches have been combined and integrated in a multi step procedure. In a preliminary phase, the nozzle flow features have been investigated by means of 3D CFD simulation (FIRE), allowing for the evaluation of nozzle hole discharge coefficients. Such values have been used in the subsequent phase, based on a 0/1D approach, in which the complete model of the fuel injection system has been realized and the injected fuel amounts have been evaluated. On the basis of these indications, a further simulation phase has been included and a packet model for the modeling of fuel jet formation, evaporation and combustion has been built and used. In-cylinder pressure trends have been obtained and the effects of different nozzle hole geometries have been investigated.
Sponsorship	Internal Combustion Engine Division
Starting Page	753
Ending Page	766
Page Count	14
File Format	PDF
ISBN	9780791849446
DOI	10.1115/ICEF2010-35067
e-ISBN	9780791838822
Conference Proceedings	ASME 2010 Internal Combustion Engine Division Fall Technical Conference
Language	English
Publisher Date	2010-09-12
Publisher Place	San Antonio, Texas, USA
Access Restriction	Subscribed
Subject Keyword	Computational fluid dynamics Combustion Evaporation Fuels Modeling Flow (dynamics) Pressure Engines Geometry Simulation Discharge coefficient Fire Nozzles Diesel Cylinders
Content Type	Text
Resource Type	Article

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