In-Nozzle and Spray Diagnostic Techniques for Real Sized Pressure Swirl and Plain Orifice Gasoline Direct Injectors

2003-01-3151

10/27/2003

Event
SAE Powertrain & Fluid Systems Conference & Exhibition
Authors Abstract
Content
The use of Direct Injection for spark ignition engines is increasing, with a noticeable trend towards smaller flow orifices as the requirement for improved atomisation increases and improved manufacturing capabilities allow micron sized holes to be mass produced. It is necessary therefore to develop test rigs and diagnostic techniques that will allow the collection of data from inside real sized nozzles in order to validate CFD models and allow optimized nozzle geometries to be rapidly designed and produced. This paper demonstrates real sized optical nozzles and diagnostic techniques that have allowed geometry evaluation and optimization in pressure swirl and plain orifice nozzles as small as 150μm.
Meta TagsDetails
DOI
https://doi.org/10.4271/2003-01-3151
Pages
15
Citation
Allen, J., Hargrave, G., and Khoo, Y., "In-Nozzle and Spray Diagnostic Techniques for Real Sized Pressure Swirl and Plain Orifice Gasoline Direct Injectors," SAE Technical Paper 2003-01-3151, 2003, https://doi.org/10.4271/2003-01-3151.
Additional Details
Publisher
Published
Oct 27, 2003
Product Code
2003-01-3151
Content Type
Technical Paper
Language
English