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Energies 2017, 10(2), 240; doi:10.3390/en10020240

Investigation of a Diesel-Engined Vehicle’s Performance and Emissions during the WLTC Driving Cycle—Comparison with the NEDC

Internal Combustion Engines Lab., School of Mechanical Engineering, National Technical University of Athens, Athens 15780, Greece
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Received: 15 December 2016 / Accepted: 13 February 2017 / Published: 16 February 2017
(This article belongs to the Special Issue Automotive Engines Emissions and Control)
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Abstract

The present work presents results from an experimentally validated simulation code, regarding a turbocharged diesel-powered vehicle running on the recently developed worldwide light-duty vehicles WLTC driving cycle. The simulation is based on an engine mapping approach, with correction coefficients applied vis-à-vis the transient discrepancies encountered. Both performance and engine-out emission results are presented and discussed. As regards the latter, the concerned pollutants are soot and nitrogen monoxide. Since the WLTC driving cycle is scheduled to replace the NEDC in Europe from September 2017 with regard to the certification of passenger cars and light-duty trucks, a comparative analysis between the two test schedules is also performed for the engine/vehicle under study. View Full-Text
Keywords: diesel engine; exhaust emissions; soot; transient operation; turbocharger lag; WLTC driving cycle diesel engine; exhaust emissions; soot; transient operation; turbocharger lag; WLTC driving cycle
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Giakoumis, E.G.; Zachiotis, A.T. Investigation of a Diesel-Engined Vehicle’s Performance and Emissions during the WLTC Driving Cycle—Comparison with the NEDC. Energies 2017, 10, 240.

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