Title: The validation of CO2MPAS tool for supporting the introduction of WLTP in the European CO2 certification
Authors: FONTARAS GEORGIOSVALVERDE MORALES VICTORTSIAKMAKIS STEFANOSARCIDIACONO VINCENZOANAGNOSTOPOULOS KONSTANTINOSCIUFFO BIAGIOKONTSES ANASTASIOSTSOKOLIS DIMITRIOSDIMARATOS ATHANASIOSSAMARAS ZISSIS
Publisher: IFSTTAR
Publication Year: 2018
JRC N°: JRC103865
ISBN: 978-2-85782-716-0 (online)
URI: http://www.tapconference.org/wp-content/uploads/events/Proceedings/TAP2016_PROCEEDINGS.pdf
http://publications.jrc.ec.europa.eu/repository/handle/JRC103865
Type: Articles in periodicals and books
Abstract: To support the transition from NEDC-based CO2 monitoring to the WLTP-based one, the Joint Research Centre (JRC) of the European Commission develops the CO2 Model for Passenger and commercial vehicles (CO2MPAS), to be used for correlating the measured WLTP CO2 emissions to their NEDC equivalent ones. Scope of CO2MPAS is to calculate NEDC CO2 emissions based on limited information collected during the WLTP test at vehicle type-approval. The model also attempts to provide a flexible yet robust basis for testing the CO2 reduction potential of different technology packages and for analyzing different policy options for curbing CO2 emissions in the future. This paper demonstrates a first validation of the model. Synthetic and real data were obtained from simulations and tests, respectively, that were performed at the Laboratory of Applied Thermodynamics of the Aristotle University and the JRC’s VELA laboratories over both cycles. A pool of 22 sets of real tests and more than 2000 simulation cases were developed for running the validation exercise. Results suggest a good operation of CO2MPAS with an error of the CO2 emission prediction on NEDC below ± 4% in 90% of the cases.
JRC Directorate:Energy, Transport and Climate

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