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Visual Study Focused on the Combustion Problem in Gasoline Direct Injection Engine
Technical Paper
2003-32-0014
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Combustion phenomena inside the actual Gasoline-Direct-Injection (GDI) engines have been drawing high attention to its emission characteristics as well as its potential to deal with ultra lean mixture. Although the detailed observation is necessary for its improvement, combustion visualization seems to be strangely overlooked for some reason. This study focuses on the direct observation of GDI combustion to clarify the difficulties behind GDI concept by using a test engine of an actual “wall-guided” configuration and by comparing GDI spray quality with diesel spray in a high-pressure constant volume bomb. The results show that some of the problems about GDI combustion seem to be rather essential than easily conquered, which suggests the necessity for another combustion concept.
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Citation
Tajima, H., Nakashima, M., Sawada, M., and Aoyama, M., "Visual Study Focused on the Combustion Problem in Gasoline Direct Injection Engine," SAE Technical Paper 2003-32-0014, 2003, https://doi.org/10.4271/2003-32-0014.Also In
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