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There is a need for a characterisation of the injection of gasoline in the intake pipe of port-injected spark-ignited engines. A non-intrusive method is described, which has been developed to quantify the thickness of liquid fuel layers that cover the intake pipe walls in the engine. The technique is based on laser induced fluorescence which has been adapted for local measurements through transparent walls. This paper describes the measuring technique and quantifies the impact of the spray, deposition of fuel and displacement of liquid waves.

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Authors: LE COZ J-F, Institute Français du Pétrole, Rueil-Malmaison (FR);CATALANO C, Institute Français du Pétrole, Rueil-Malmaison (FR);BARITAUD T, Institute Français du Pétrole, Rueil-Malmaison (FR)
Bibliographic Reference: Paper presented: 7th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon (PT), July 11-14, 1994
Availability: Available from (1) as Paper EN 38549 ORA
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