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Hybrid Combustion-Premixed Gasoline Homogeneous Charge Ignited by Injected Diesel Fuel-2-Stroke Cycle Engines
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English
Abstract
Two hybrid Combustion engines, wherein a premixed gasoline homogeneous charge was ignited by a small amount of injected diesel fuel under high compression ratio, were made and tested by modifying crankcase scavenged 2-stroke cycle diesel engines, one uniflow scavenged with an open chamber and the other loop scavenged with a prechamber.
It was found that the premixed gasoline was effective not only for decreasing the fuel consumption but also for reducing the smoke density both in the heavy and over-load regions. The mixing ratio of the gasoline and diesel fuels, the injection timing of the diesel fuel and the compression ratio were found to be the main factors affecting the performance of these hybrid combustion engines. The effect of inlet throttling on the brake specific fuel consumption (BSFC) in the light load region was also examined.
Authors
Citation
Yonetani, H., Nakamura, T., Fukutani, I., and Watanabe, E., "Hybrid Combustion-Premixed Gasoline Homogeneous Charge Ignited by Injected Diesel Fuel-2-Stroke Cycle Engines," SAE Technical Paper 890429, 1989, https://doi.org/10.4271/890429.Also In
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