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The Spray Feature of Direct Injection Gasoline Engine with Super High Spatial Resolution Photography
Technical Paper
2015-01-1892
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In direct injection spark ignition (DISI), spray characteristics such as the penetration, spatial dispersion, droplet size distribution and the spray wall interaction process are extremely important to control the combustion process through the mixture formation process. Furthermore, the spray basic feature including the spatial and temporal changes is the key issue to reduce the Particulate Matter (PM) & HC emissions. In this study, we reveal both of the macroscopic and microscopic structures of the spray dynamics by Super High Spatial Resolution Photography (SHSRP). Furthermore, it is found that the simulated spray structure such as the penetration and droplet size distribution using Computational Fluid Dynamics (CFD) code is well consistent with the experimental results.
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Citation
Mukayama, T., Yoshida, Y., and Matsumura, E., "The Spray Feature of Direct Injection Gasoline Engine with Super High Spatial Resolution Photography," SAE Technical Paper 2015-01-1892, 2015, https://doi.org/10.4271/2015-01-1892.Also In
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