SAE Technical Paper Series 2009
DOI: 10.4271/2009-01-2695
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Combustion and Emissions in a Light-Duty Diesel Engine Using Diesel-Water Emulsion and Diesel-Ethanol Blends

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Cited by 24 publications
(14 citation statements)
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“…The smaller fuel viscosity achieved in this way leads to the improvement of fuel atomization and combustion process; however, it does not improve the PM emission, and there has been recorded even higher CO emission. Similar results were obtained by Cui et al [16] in which the application of ethanol and diesel fuel mixtures has contributed to decrease in PM and NO x emissions and simultaneous increase in the CO and hydrocarbons emissions. Despite the use of more volatile ethanol, for low engine loads, the self-ignition delay increased compared with diesel fuel.…”
Section: Introductionsupporting
confidence: 89%
“…The smaller fuel viscosity achieved in this way leads to the improvement of fuel atomization and combustion process; however, it does not improve the PM emission, and there has been recorded even higher CO emission. Similar results were obtained by Cui et al [16] in which the application of ethanol and diesel fuel mixtures has contributed to decrease in PM and NO x emissions and simultaneous increase in the CO and hydrocarbons emissions. Despite the use of more volatile ethanol, for low engine loads, the self-ignition delay increased compared with diesel fuel.…”
Section: Introductionsupporting
confidence: 89%
“…The probable reason for increasing CO trend is due to the lower combustion temperature at lower speeds [16,22] as the speed increases and at higher combustion temperatures the CO tends to decrease. [23] states that the oxidation of CO into CO 2 is not possible when the temperature is lower than 1400 K. From the CO emission graph, diesel has the highest CO when compared to WiDE. This clearly shows that WiDE has better air-fuel mixture [24].…”
Section: Figure 4: Co Emissions For Diesel and Widementioning
confidence: 99%
“…According to [21], an increase in NO was observed due to increased combustion temperature and oxygen availability, when WiDE was tested on a single cylinder DI diesel engine at a constant speed of 1500 rpm. The high amount of premixed combustion phase resulted from the ignition delay [23] when WiDE is used as fuel when these burning WiDE blends with the fresh intake of fuel combust during this phase could have resulted in high heat release.…”
Section: Nitrogen Oxide Emission (Nox)mentioning
confidence: 99%
“…The higher oxygen content of the alternative blend owing to the introduction of ethanol and Biodiesel associated to the lower soot precursors concentrations as explained in Section 1.2 explains the improvement of smoke emissions [11,12].…”
Section: Fuel Impact On Emissions and Combustionmentioning
confidence: 99%