Analysis of In-cylinder Flow and Fuel Vapor Concentration Distribution in Gasoline Direct Injection Engine

Paper #:
  • 2011-01-2052

Published:
  • 2011-08-30
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.
Pages:
8
Abstract:
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.
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