Analysis of In-cylinder Flow and Fuel Vapor Concentration Distribution in Gasoline Direct Injection Engine 2011-01-2052
This paper details the air-fuel mixing process in a gasoline direct injection (DI) engine. Laser measurement techniques such as particle image velocimetry (PIV) and laser induced fluorescence (LIF) were employed on the optical engine with a transparent cylinder to analyze the in-cylinder flow and fuel vapor concentration. In addition, firing tests were conducted using an actual engine. Test results showed that the multi-stage injection is effective for air-fuel mixing and improvement of combustion stability.
Citation: Ishida, R., Nakayama, T., Kaneko, M., and Morikawa, K., "Analysis of In-cylinder Flow and Fuel Vapor Concentration Distribution in Gasoline Direct Injection Engine," SAE Technical Paper 2011-01-2052, 2011, https://doi.org/10.4271/2011-01-2052. Download Citation
Rei Ishida, Tomohiro Nakayama, Makoto Kaneko, Koji Morikawa
Fuji Heavy Industries Ltd.
SAE International Powertrains, Fuels and Lubricants Meeting