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dc.contributor.authorGIECHASKIEL BAROUCHen_GB
dc.contributor.authorSCHWELBERGER MATTHIASen_GB
dc.contributor.authorDELACROIX CRISTOPHEen_GB
dc.contributor.authorMARCHETTI MASSIMOen_GB
dc.contributor.authorFEIJEN MARCen_GB
dc.contributor.authorPRIEGER KLAUSen_GB
dc.contributor.authorANDERSSON SVENen_GB
dc.contributor.authorLU KARLSSON HUAen_GB
dc.identifier.citationJOURNAL OF AEROSOL SCIENCE vol. 123 p. 161-170en_GB
dc.description.abstractHeavy-duty engines are type approved on engine dynamometers. However, the in-service conformity or in-use compliance is conducted on the road over driving patterns, conditions and payloads defined in the regulation using Portable Emissions Measurement Systems (PEMS). In Europe PEMS testing is currently applicable to gaseous emissions only, but the introduction of solid particle number (SPN) PEMS is under discussion for heavy-duty vehicles. Although SPN PEMS testing is required for light-duty vehicles, the robustness and the accuracy of the systems for the different conditions of heavy duty vehicles (e.g. higher exhaust gas temperatures, high content of bio-fuels, CNG engines) needs further investigation. This paper describes the experimental assessment of four SPN PEMS models by comparing them to reference regulated laboratory systems. One of the SPN PEMS was circulated to most laboratories. The tests were conducted by heavy-duty vehicle manufacturers in Europe. The results showed that the PEMS measure within 40-65% of the laboratory standards with only minor robustness issues. Thus, they can be included in the in-service conformity regulation taking into account their measurement uncertainty.en_GB
dc.description.sponsorshipJRC.C.4-Sustainable Transporten_GB
dc.publisherELSEVIER SCI LTDen_GB
dc.titleExperimental assessment of solid particle number Portable Emissions Measurement Systems (PEMS) for heavy-duty vehicles applicationsen_GB
dc.typeArticles in periodicals and booksen_GB
JRC Directorate:Energy, Transport and Climate

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