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Effect of the fuel injection strategy on the combustion process in a PFI boosted spark-ignition engine by Simona S. Merola; Paolo Sementa; Cinzia Tornatore; Bianca M. Vaglieco is a Engineering article available to read on EtoBox.

What is Effect of the fuel injection strategy on the combustion process in a PFI boosted spark-ignition engine about?

In this paper, the effect of different fuel injection strategies on the combustion process was investigated in a boosted port fuel injection spark-ignition engine. The experiments were performed on a partially transparent single-cylinder engine, equipped with a four-valve head and boost device. Single and double fuel injection strategies were tested in the open-valve condition. Moreover, two fuel injection pressures were considered. Optical techniques based on 2D-digital imaging were used to follow the flame propagation in the combustion chamber. In particular, the diffusion-controlled flames near valves and on cylinder walls due to the fuel film burning were studied. Two-colour pyrometry was employed to measure soot concentration. In-cylinder optical investigations were correlated to the engine parameters and to the exhaust emissions.

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Author

Simona S. Merola; Paolo Sementa; Cinzia Tornatore; Bianca M. Vaglieco

Publisher

Elsevier Science; Thomas Telford; Elsevier ; Thomas Telford Ltd.; Elsevier Ltd.; ICE Publishing Ltd.; Elsevier BV (ISSN 1751-4223)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)