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Impact of pilot injections on ducted fuel injection performance
International Journal of Engine ResearchThis experimental and numerical study evaluates how ducted fuel injection (DFI) and pilot injections interact to impact soot formation and the premixed heat release pressure spike in diesel combustion. Experiments showed that pilot injections reduced the premixed heat release spike of a free spray by approximately 70%, while DFI configurations only ...
Conner Godbold +5 more
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Ducted Fuel Injection: Confirmed Re-entrainment Hypothesis
SAE Technical Paper Series<div class="section abstract"><div class="htmlview paragraph">Testing of ducted fuel injection (DFI) in a single-cylinder engine with production-like hardware previously showed that adding a duct structure increased soot emissions at the full load, rated speed operating point [<span class="xref">1</span>].
Kenth Svensson +2 more
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Performance and Emission Results from a Heavy-Duty Diesel Engine with Ducted Fuel Injection
SAE Technical Paper Series, 2021<div class="section abstract"><div class="htmlview paragraph">Ducted fuel injection (DFI) was tested for the first time in a heavy-duty diesel metal engine. It was implemented on a Caterpillar 2.5-liter single-cylinder heavy-duty diesel engine fitted with a common rail fuel system and a Tier 4 final production piston. Engine tests consisted
Kenth Svensson +4 more
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NUMERICAL INVESTIGATION OF DUCTED FUEL INJECTION WITH DIFFERENT DUCT SIZES
Atomization and Sprays, 2022Ziman Wang +4 more
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Early Investigation of Ducted Fuel Injection for Reducing Soot in Mixing-Controlled Diesel Flames
SAE International Journal of Engines, 2018<div class="section abstract"><div class="htmlview paragraph">Ducted fuel injection (DFI) is a developing technology for reducing in-cylinder soot formed during mixing-controlled combustion in diesel compression ignition engines. Fuel injection through a small duct has the effect of extending the lift-off length (LOL) and reducing the ...
Russell P. Fitzgerald +4 more
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SAE International Journal of Advances and Current Practices in Mobility
<div class="section abstract"><div class="htmlview paragraph">Ducted Fuel Injection (DFI) engines have emerged as a promising technology in the pursuit of a clean, efficient, and controllable combustion process. This article aims at elucidating the effect of piston geometry on the engine performance and emissions of a metal DFI engine ...
Mohammad Raghib Shakeel +4 more
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<div class="section abstract"><div class="htmlview paragraph">Ducted Fuel Injection (DFI) engines have emerged as a promising technology in the pursuit of a clean, efficient, and controllable combustion process. This article aims at elucidating the effect of piston geometry on the engine performance and emissions of a metal DFI engine ...
Mohammad Raghib Shakeel +4 more
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Ducted fuel injection investigation applied in light-duty compression ignition engines
International Journal of Engine ResearchDucted fuel injection (DFI) is a promising technology that can modify the combustion process in compression ignition engines to mitigate soot formation. By guiding the spray through ducts, air entrainment is enhanced, promoting a more pronounced premixed combustion phase, reducing the diffusion flame, and consequently suppressing soot generation. While
Fábio Jairo Dias +7 more
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A Path Forward for Heavy-Duty Engine Applications: Ducted Fuel Injection with Sustainable Fuels.
Proposed for presentation at the 2022 Univ. of Wisconsin Engine Research Center Symposium: Low Net-GHG Fuel and Engine Technologies held June 15-16, 2022 in Madison, WI., 2022Charles Mueller +5 more
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