Experimental assessment of a CI engine operating with 1-pentanol/diesel fuel blends

Year 2020, Volume: 4 Issue: 2, 70 - 89, 30.06.2020

Murat Kadir Yeşilyurt , Battal Doğan , Derviş Erol

https://doi.org/10.30939/ijastech..708517

Cited By: 15

Abstract

Pentanol or amyl alcohol, regarding its physical and chemical properties, is a type of alcohol that can be used as an alternative and sustainable fuel in diesel engine applications. In this study, three different fuel blends (Pt10, Pt20, and Pt30) prepared by adding various ratios (10%-30%) of 1-pentanol on a volume basis into pure diesel fuel with implementing the splash-blending method were used in a single-cylinder, four-stroke diesel-engine coupled with a generator. The effects of a next-generation alcohol addition to the diesel fuel on the engine performance and exhaust emission levels were examined meticulously. As a result of the experimental studies carried out in a constant engine speed of 3000 rpm at six different loads (0-2000 W) in a compression ignition engine, it was observed that the fuel consumption increased as the ratio of pentanol in fuel blends increased. Carbon monoxide (CO) and unburned hydrocarbon (HC) emissions obtained by using 1-pentanol/diesel fuel blends were found to be higher than that of conventional diesel fuel. The highest values for CO and HC emissions were obtained by the Pt30 fuel at all engine load conditions. However, it was determined that as the pentanol ratio in fuel blends increased, nitrogen oxides (NOX), carbon dioxide (CO2) and smoke emissions, the most important disadvantage of pure diesel fuel, were reduced. Accordingly, it is concluded that 1-pentanol can be used as a fractional replacement for the diesel fuel.

Keywords

Pentanol, alcohol, diesel engine, engine performance, exhaust emissions

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