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Effects of Fumigated Fuel on the Ignition and Initial Combustion Stages in a D.I. Diesel Engine
ISSN: 0148-7191, e-ISSN: 2688-3627
Published September 01, 1989 by SAE International in United States
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Effects of fumigated fuel on the initial combustion stage of a diesel spray were studied by measuring an ignition delay period and rate of heat release, clarifying a self-ignition limit of a fumigated fuel. Combustion experiments on both fumigated diesel fuel and methanol in a direct injection diesel engine gave the following results; a rapid combustion occurs with the methanol fumigation, while, the diesel fuel fumigation slightly changes the combustion of the main spray of diesel fuel injected directly into the combustion chamber. Regarding the rate of heat release, the maximum rate in the initial combustion stage increases rapidly with an increase in methanol fumigation, while for the fumigated diesel fuel, the maximum rate changes only slightly. The ignition delay period affected by fumigated diesel fuel is shorter than that affected by methanol at the same fumigation equivalence ratio and intake temperature.
CitationKwon, S., Arai, M., and Hiroyasu, H., "Effects of Fumigated Fuel on the Ignition and Initial Combustion Stages in a D.I. Diesel Engine," SAE Technical Paper 891880, 1989, https://doi.org/10.4271/891880.
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