The engine tests of biodiesel from used frying oil

Yahya Ulusoy, Yücel Tekin, Merve Četinkaya, Filiz Karaosmanoǧlu*

*Corresponding author for this work

Research output: Contribution to specialist publicationArticle

105 Citations (Scopus)

Abstract

Biodiesel is an environmentally friendly and a renewable alternative diesel fuel that can be used in diesel engines with little or no modification. Used frying oil is one of the raw materials which can be used for biodiesel production. The objective of this study was to investigate the effects of used frying oil originated from biodiesel on engine performance and emissions in a Fiat Doblo 1.9 DS, four-cylinder, four- stroke, 46 kW power capacity diesel engine. Comparative measurements with no. 2 diesel fuel were conducted on both engine power and emission characteristics of each of the fuel used. Biodiesel, when compared to no. 2 diesel fuel, showed reduction in wheel force over 3.35% and it also reduced the wheel power by over 2.03%. In the acceleration tests, 40-100 km/h and 60-100 km/h acceleration periods were measured and a reduction of 7.32% and 8.78% were observed, respectively. According to emission tests, as a result of biodiesel consumption, a reduction of 8.59% in CO emission and an increase of 2.62% were observed in CO2 emission. Also, NOx emissions increased by 5.03% as a result of biodiesel consumption. HC emissions and particulate emissions have a significant effect on air pollution. As a result of biodiesel usage, HC and particulate emissions decreased by 30.66% and 63.33%, respectively. When the fuel consumption amounts are compared, it was observed that biodiesel consumption was 2.43% less than that of no. 2 diesel fuel. These emission engine test results show that biodiesel is a more environment friendly fuel than no. 2 diesel fuel.

Original languageEnglish
Pages927-932
Number of pages6
Volume26
No.10
Specialist publicationEnergy Sources
DOIs
Publication statusPublished - Aug 2004

Keywords

  • Alternative fuel
  • Biodiesel
  • Diesel engine
  • Emission
  • Engine performance
  • Used frying oil

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