2020
DOI: 10.3390/en13112973
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Emission Characteristics under Diesel and Biodiesel Fueled Compression Ignition Engine with Various Injector Holes and EGR Conditions

Abstract: The combustion performance of a conventional rail diesel engine was investigated by measuring the exhaust gas with the respect to the number of injector holes, fuel type, and the use of exhaust gas recirculation (EGR), to provide a detailed reduction of environmental pollutants. It was found that a six- or seven-hole injector was more effective than a five-hole injector for reducing the exhaust gas. In addition, the mixing of 20% biodiesel oil with diesel most effectively reduced the HC and NOx contents. The t… Show more

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Cited by 4 publications
(3 citation statements)
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“…Based on the results, the highest brake thermal efficiency for SuOME mode of operation is 27.25% at 240 bar. A further increase in injection pressure resulted in a drop in brake thermal efficiency, and this may be attributed to the fact that as the injection pressure increased, the droplet size reduced and hence suffered in penetrating deeper into the combustion chamber [57,58]. However, due to the higher viscosity of SuOME than diesel, reduced BTE was recorded for SuOME.…”
Section: Brake Thermal Efficiencymentioning
confidence: 99%
See 1 more Smart Citation
“…Based on the results, the highest brake thermal efficiency for SuOME mode of operation is 27.25% at 240 bar. A further increase in injection pressure resulted in a drop in brake thermal efficiency, and this may be attributed to the fact that as the injection pressure increased, the droplet size reduced and hence suffered in penetrating deeper into the combustion chamber [57,58]. However, due to the higher viscosity of SuOME than diesel, reduced BTE was recorded for SuOME.…”
Section: Brake Thermal Efficiencymentioning
confidence: 99%
“…However, increasing the number of orifice holes to more than six is practically impossible, and reducing the orifice diameter to less than 0.2 mm nullified the above effect as the injected fuel moves much faster than air. This tends to reduce mixture formation and results in a reduction in engine performance [58,60,61].…”
Section: Brake Thermal Efficiencymentioning
confidence: 99%
“…Nowadays, automotive research is focused on developing innovative solutions such as engine downsizing [1][2][3], cooled external exhaust gas recirculation (EGR) [4,5], water injection [6], and lean mixture operations [7,8], to satisfy both the stringent regulations of pollutant emissions and customer requirements [9,10].…”
Section: Introductionmentioning
confidence: 99%