Smoke Formation during Combustion of Biofuel Blends in the Internal Combustion Compression Ignition Engine

The proposed changes to the legislation on diesel cars require intensification of work on the possibilities of reducing emissions of harmful substances into the atmosphere by these vehicles. The subject of experimental research included in the manuscript was the Skoda Octavia with a 1.9 TDI (turboch...

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Bibliographic Details
Published in:Energies (Basel) 2023-04, Vol.16 (9), p.3682
Main Authors: Valeika, Gintaras, Matijošius, Jonas, Orynycz, Olga, Rimkus, Alfredas, Świć, Antoni, Tucki, Karol
Format: Article
Language:English
Subjects:
Air pollution
Automobile industry
biofuel
Biomass energy
Combustion
diagnostic
Energy minerals
Fossil fuels
Internal combustion engines
vehicle
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Summary:The proposed changes to the legislation on diesel cars require intensification of work on the possibilities of reducing emissions of harmful substances into the atmosphere by these vehicles. The subject of experimental research included in the manuscript was the Skoda Octavia with a 1.9 TDI (turbocharged direct injection) compression ignition engine (type 1Z). Light absorption measurements of smokiness of the exhaust gases emitted after combustion of various biofuels (conventional diesel, pure hydrotreated vegetable oil, hydrotreated vegetable oil, biobutanol) and their blends with fossil diesel fuel were studied. The measured light absorption coefficient is the reciprocal of the thickness of the layer, after passing through which the light has a ten times lower intensity. Its unit is the reciprocal of the meter (1/m or m−1). The results obtained by means of a standard smokiness meter indicate that the use of biofuels or their blends, in general, reduces smoke formation.
ISSN:1996-1073
1996-1073
DOI:10.3390/en16093682