The Effect Of Ethanol - Petrol Blends On Engine Performance Parameters And Emissions
The experimental bench tests of a four-stroke, four-cylinder, water-cooled Otto
engine Volkswagen Passat 1,8 l show that the effective power could be increased
and harmful emissions of the exhaust significantly reduced by using environment
friendly and renewable ethanol-petrol blends. Engine effective power can be increased
from 21,9 kW to 23,1 kW (by 5,5%) when operating on blend E10at 70%
opened throttle and low 1500 rpm speed. Whereas at a higher 2500 rpm speed, the
power output nearly 1 % higher developed less oxygenated blend E5 at 70% position
opened throttle. The carbon monoxide CO emission can be effectively reduced
by 55,3%, when using blend E15 and carbon dioxide CO2 emission can be alsoreduced
by 11,5%, when using blend E5, by operating at 70% opened throttle and
high 2500 rpm speed. Whereas, the HC emission the most (by 57,9%) decreases
when using less oxygenated (3,48% oxygen) blend E10.
Article is in lithuanian language
Keyword(s): Oto variklis, etanolis, benzinas, biodegalai, efektyvioji galia, deginių emisija.
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Agricultural Engineering ISSN 1392-1134 / eISSN 2345-0371
This journal is published under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License. Responsible editor: Dr A. Žunda.