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Combustion and Noise Characteristics in a Diesel Engine with Hydrogen Addition and Pilot Injection
Technical Paper
2015-01-1922
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
We experimentally investigated effects of pilot diesel-fuel injection on ignition timing variation and noise reduction in a diesel engine with hydrogen addition to the intake pipe. The pilot diesel-fuel injection suppressed ignition timing variation which was significant under hydrogen addition conditions. The heat release by the pilot diesel-fuel injection stably acted as an ignition source of the hydrogen-air mixture. The maximum in-cylinder pressure rise rate increased with the hydrogen fraction. However, the sound pressure level attained minimum around a specific hydrogen fraction.
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Sakane, R., Fujimura, T., Seo, T., and Mikami, M., "Combustion and Noise Characteristics in a Diesel Engine with Hydrogen Addition and Pilot Injection," SAE Technical Paper 2015-01-1922, 2015, https://doi.org/10.4271/2015-01-1922.Also In
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