Impact of Animal Fat Biodiesel, GTL, and HVO Fuels on Combustion, Performance, and Pollutant Emissions of a Light-Duty Diesel Vehicle Tested under the NEDC
Publication: Journal of Energy Engineering
Volume 141, Issue 2
Abstract
This paper presents the performance, combustion, and emissions characteristics of a light-duty vehicle equipped with a Euro 4 diesel engine, operating with animal fat biodiesel, gas to liquid (GTL), hydrotreated vegetable oil (HVO), and a commercial diesel fuel (with 5.8% of biodiesel) as reference. Tests were carried out in on a chassis dynamometer under controlled ambient conditions following the New European Driving Cycle (NEDC). One of the engine cylinders was instrumented with a Kistler Kibox device combined with an opened electronic control unit (ECU) and ETAS-INCA PC system for online thermodynamic combustion diagnosis. Regulated emissions and thermodynamic diagnosis parameters have been compared at different time windows along the NEDC. Tested fuels exhibited significant reduction of CO and small variations in total hydrocarbons (THC) and NOx in comparison with commercial diesel fuel. Both specific particulate number and particulate mass were below Euro 5b directive for all tested fuels due to the use of diesel particle filter. In general, all parameters studied here were affected by both, fuel properties, and the evolution of the thermal conditions of the engine and the after-treatment devices.
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Acknowledgments
This study has been carried out under the framework of the POII10-0173-0731 project financed by the Castilla La-Mancha Government. Angel Ramos and Andres F. López acknowledge their fellowship to the Spanish Ministry of Science and Innovation (associated to the project REACTEC Ref. ENE2010-20768-C03-01) and to Departamento Administrativo de Ciencia, Tecnología e Innovación (Colciencias) from the Colombia government, respectively. The Sustainability program 2014-2015 of Universidad de Antioquia is gratefully acknowledged for Andrés F. López’s financial support during his stay at Universidad de Castilla La Mancha. The authors also wish to thank the technical support provided by Nissan European Technology Centre, Spain, and to SASOL (South Africa), Neste Oil (Finland), and BDP Stock del Vallés (Spain) by the supply of GTL, HVO, and biodiesel fuels respectively.
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Published In
Journal of Energy Engineering
Volume 141 • Issue 2 • June 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: May 7, 2014
Accepted: Aug 8, 2014
Published online: Sep 19, 2014
Discussion open until: Feb 19, 2015
Published in print: Jun 1, 2015
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