Multi-dimensional modeling of the air/fuel mixture formation process in a PFI engine for motorcycle applications

2009 ◽  
Author(s):  
T. Lucchini ◽  
G. D'Errico ◽  
F. Brusiani ◽  
G. M. Bianchi ◽  
Ž. Tuković ◽  
...  
Keyword(s):  
Formation Process ◽  
Fuel Mixture ◽  
Mixture Formation ◽  
Dimensional Modeling

Effects of High Temperature Fuel on In-Cylinder Fuel Mixture Formation Process for Direct Injection Engine

2003 ◽  
Author(s):  
Kenjiro Nakama ◽  
Eiji Murase ◽  
Masahito Imada ◽  
Jin Kusaka ◽  
Yasuhiro Daisho
Keyword(s):  
High Temperature ◽  
Formation Process ◽  
Direct Injection ◽  
Fuel Mixture ◽  
Mixture Formation ◽  
Direct Injection Engine

Effects of High Temperature Fuel on In-Cylinder Fuel Mixture Formation Process for DI Engine

2002 ◽  
Vol 2002 (0) ◽  
pp. 443-444
Author(s):  
Kenjiro NAKAMA ◽  
Eiji MURASE ◽  
Shunji TOYODA ◽  
Jin KUSAKA ◽  
Yasuhiro Daisho
Keyword(s):  
High Temperature ◽  
Formation Process ◽  
Fuel Mixture ◽  
Mixture Formation

Developing Planar Laser-Induced Fluorescence for the Investigation of the Mixture Formation Process in Hydrogen Engines

2004 ◽  
Author(s):  
Thomas Blotevogel ◽  
Jan Egermann ◽  
Jürgen Goldlücke ◽  
Alfred Leipertz ◽  
Matthias Hartmann ◽  
...  
Keyword(s):  
Formation Process ◽  
Laser Induced Fluorescence ◽  
Mixture Formation ◽  
Planar Laser Induced Fluorescence ◽  
Hydrogen Engines ◽  
Planar Laser

Investigation of the mixture formation process with combined injection strategies in high-performance SI-engines

2016 ◽  
pp. 1233-1249 ◽  
Author(s):  
Daniel Koch ◽  
G. Wachtmeister ◽  
Marlene Wentsch ◽  
M. Chiodi ◽  
Michael Bargende ◽  
...  
Keyword(s):  
Formation Process ◽  
High Performance ◽  
Mixture Formation ◽  
Si Engines ◽  
Injection Strategies

scholarly journals Evaluation of the Mixture Formation Process of High Performance Engine with a Combined Experimental and Numerical Methodology

2014 ◽  
Vol 45 ◽  
pp. 869-878 ◽  
Author(s):  
Claudio Forte ◽  
Gian Marco Bianchi ◽  
Enrico Corti ◽  
Buono Michele ◽  
Fantoni Stefano
Keyword(s):  
Formation Process ◽  
High Performance ◽  
Mixture Formation

Multi-Cycle Simulation of the Mixture Formation Process of an High Performance Engine at Part Load Condition

2012 ◽  
Author(s):  
Claudio Forte ◽  
Gian Marco Bianchi ◽  
Enrico Corti ◽  
Stefano Fantoni
Keyword(s):  
High Performance ◽  
Load Condition ◽  
Experimental Tests ◽  
Fuel Mixture ◽  
Critical Issue ◽  
Transient Condition ◽  
Mixture Formation ◽  
Part Load ◽  
Cycle Simulation ◽  
Load Conditions

Transient operation of engines leads to air fuel (A/F) ratio excursions, which can increase engine emissions. These excursions have been attributed to the formation of fuel films in the intake port, which are caused by a portion of the intake fuel impinging and adhering on the relatively cool port surface. These films act as a source or sink which cause the AF variations depending upon the transient condition. Gaining a fundamental understanding of the nature and quantity of such films may assist in future fuel mixture preparation designs that could aid in emission reductions, yet would not require overly expensive nor complicated systems. The control of air to fuel ratio is a critical issue for high performance engines: due to the low stroke-to-bore ratio the maximum power is reached at very high regimes, letting little time to the fuel to evaporate and mix with air. The injector located upstream the throttle causes a lot of fuel to impinge the throttle and intake duct walls, slowing the dynamics of mixture formation in part load conditions. The aim of this work is to present a CFD methodology for the evaluation of mixture formation dynamics applied to a Ducati high performance engine under part load conditions. The phenomena involved in the process are highly heterogeneous, and particular care must be taken to the choice of CFD models and their validation. In the present work all the main models involved in the simulations are validated against experimental tests available in the literature, selected based on the similarity of physical conditions of those of the engine configuration under analysis. The multi-cycle simulation methodology here presented reveals to be a useful tool for the evaluation of the mixture dynamics and for the evaluation of injection wall film compensator models.

Multicycle Simulation of the Mixture Formation Process of a PFI Gasoline Engine

2012 ◽  
Author(s):  
Claudio Forte ◽  
Gian Marco Bianchi ◽  
Enrico Corti
Keyword(s):  
Formation Process ◽  
Gasoline Engine ◽  
Mixture Formation

Numerical Analysis of Mixture Formation Process in a Swirl-Type Injector

2000 ◽  
Vol 2000.4 (0) ◽  
pp. 315-316
Author(s):  
Yasuo MORIYOSHI ◽  
Masahide TAKAGI ◽  
Xiao HU
Keyword(s):  
Numerical Analysis ◽  
Formation Process ◽  
Mixture Formation
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