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

Savaş Yelbey; Murat Ciniviz

doi:10.26701/ems.635790

Research Article

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: 8

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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