Comparative study of the effect of a new renewable paraffinic fuel on the combustion process of a light-duty diesel engine

J.A. Soriano, R. García-Contreras, A. Gómez and C. Mata

Energy, 2019, vol. 189, issue C

Abstract: The effect of a new renewable paraffinic fuel on the combustion characteristics of a diesel engine was evaluated and compared to other fossil paraffinic fuel (GTL – Gas - To Liquid), to a Biodiesel (blend of soybean and palm oil) and a to a conventional fossil diesel (without Biodiesel). Five steady state modes were selected that cover the most part of the engine speed-torque map of the driving conditions established in the New European Driving Cycle (NEDC). At the lowest engine load modes (A and C), the start of heat release occurs after main injection but at the other three modes (E, G and I) thermal conditions favor combustion of the pre-injection, the start of combustion escalating with the cetane number of the fuels. Biodiesel shows the lowest combustion duration, being the behavior of Farnesane similar only at high engine load conditions. Although Farnesane and GTL are paraffinic fuels, the combustion duration with the biofuel is more than 5° shorter in modes G and I although its start of combustion takes place earlier.

Keywords: Thermodynamic diagnosis; Farnesane fuel; Biofuels; Rate of heat release; Velocity of combustion; Ignition delay (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:189:y:2019:i:c:s0360544219320328

DOI: 10.1016/j.energy.2019.116337

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