Investigation of the Effects of Gasoline-Bioethanol Blends on Engine Performance and Exhaust Emissions in a Spark Ignition Engine

Year 2020, Volume: 4 Issue: 2, 65 - 71, 20.06.2020

Savaş Yelbey , Murat Ciniviz

https://doi.org/10.26701/ems.635790

Cited By: 9

Abstract

In
this study; 95 octane unleaded gasoline and bioethanol were tested as fuel in a
spark-ignition engine by blending bioethanol with gasoline in certain proportions
(2%, 4%, 6%, 8%, 10%). Tests were carried out at five different engine loads
for a constant engine speed of 2500 rpm. The variations in engine performance
parameters (brake thermal efficiency, brake specific fuel consumption, brake
specific energy consumption) and exhaust emissions (HC, CO, CO₂ and
O₂) were investigated on the basis of test fuel and engine load.
According to the test results, with the increase of bioethanol ratio in the blend,
brake specific fuel consumption values ​​increased by 9.71% and brake thermal
efficiency values ​​decreased by approximately 4.97% compared to gasoline. There
was decrease in HC and CO emissions and an increase in CO₂ emissions
with bioethanol addition.

Keywords

Gasoline, bioethanol, exhaust emission, engine performance

Supporting Institution

Selcuk University Scientific Research Projects

Project Number

18201146

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