Schlieren visualization of a GDI spray impacting on a heated wall: Non-vaporizing and vaporizing evolutions

L. Allocca, M. Lazzaro, G. Meccariello and A. Montanaro

Energy, 2016, vol. 108, issue C, 93-98

Abstract: The DI (Direct Injection) in SI (Spark Ignition) engines is rapidly developing and seems very attractive offering the possibility of multi-mode operation, homogeneous and stratified charge, with valuable benefits respect to conventional PFI (Port Fuel Injection). One of the major drawbacks of the GDI-fueled engine is the impingement of liquid fuel on the combustion chamber walls that generally produces an increasing of HC emissions and detrimental effects on the combustion process, like soot formation in the wall guided engines due to the diffusive combustion of fuel film deposits on the piston head.

Keywords: Fuel injection; Wall impingement; Schlieren technique; Air–fuel mixture; Image processing (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:108:y:2016:i:c:p:93-98

DOI: 10.1016/j.energy.2015.09.107

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