Assessment of 10-nm Particle Number (PN) Portable Emissions Measurement Systems (PEMS) for Future Regulations

Barouch Giechaskiel, Tero Lähde, Sawan Gandi, Stefan Keller, Philipp Kreutziger and Athanasios Mamakos
Additional contact information
Barouch Giechaskiel: European Commission, Joint Research Centre (JRC), 21027 Ispra (VA), Italy
Tero Lähde: European Commission, Joint Research Centre (JRC), 21027 Ispra (VA), Italy
Sawan Gandi: Sensors Europe GmbH, 40699 Erkrath, Germany
Stefan Keller: AIP GmbH Co. KG, 87490 Haldenwang, Germany
Philipp Kreutziger: Horiba Europe GmbH, 61440 Oberursel, Germany
Athanasios Mamakos: AVL List GmbH, 8020 Graz, Austria

IJERPH, 2020, vol. 17, issue 11, 1-16

Abstract: The particle number (PN) emissions of vehicles equipped with particulate filters are low. However, there are technologies that can have high PN levels, especially below the currently lower regulated particle size of 23 nm. Sub-23-nm particles are also considered at least as dangerous as the larger ultrafine particles. For this reason, the European Union (EU) is planning to regulate particles down to 10 nm. In this study we compared prototype portable emission measurement systems (PEMS) and reference laboratory systems measuring from 10 nm. The tests included cycles and constant speeds, using vehicles fuelled with diesel, gasoline or liquefied petroleum gas (LPG). The results showed that the PEMS were within ±40% of the reference systems connected to the tailpipe and the dilution tunnel. Based on the positive findings and the detection efficiencies of the prototype instruments, a proposal for the technical specifications for the future regulation was drafted.

Keywords: air pollution; vehicle emissions; real-driving emissions (RDE); portable emission measurement systems (PEMS); particle measurement programme (PMP); sub-23 nm; solid particle number; catalytic stripper; regeneration (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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