Energy, exergy, performance, emission and combustion characteristics of diesel engine using new series of non-edible biodiesels

M.N. Nabi, M.G. Rasul, M. Anwar and B.J. Mullins

Renewable Energy, 2019, vol. 140, issue C, 647-657

Abstract: This study investigated the impact of the addition of a novel series of biodiesels on diesel engine performance, emissions and combustion characteristics. Two non-edible biodiesels, namely waste cooking oil and macadamia oil (Macadamia integrifolia) biodiesels were experimentally tested in this study. The fuel blends were prepared in such a way that the fuel oxygen remains at 3.35 wt% in the blend. A 4-stroke, 4-cylinder, naturally aspirated diesel engine was used for all experiments. The engine was coupled and loaded with an eddy current dynamometer. The experimental results indicated that compared to diesel, all diesel-biodiesel blends show no significant changes in engine performance, but higher combustion efficiency and significant reductions in all major diesel emissions with a little penalty of NOx emission. Fuel energy and exergys were almost unchanged or slightly lower than diesel.

Keywords: Diesel fuel; Macadamia and waste cooking biodiesels; Brake power; NOx and PM emissions (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:140:y:2019:i:c:p:647-657

DOI: 10.1016/j.renene.2019.03.066

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