Measuring Sub-23 Nanometer Real Driving Particle Number Emissions Using the Portable DownToTen Sampling System

Markus Bainschab*, Lukas Landl, Jonathan Andersson, A. Mamakos, Stefan Hausberger, Alexander Bergmann

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung


The current particle size threshold of the European Particle Number (PN) emission standards is 23 nm. This threshold could change because future combustion engine vehicle technology may emit large amounts of sub-23 nm particles. The Horizon 2020 funded project DownToTen (DTT) developed a sampling and measurement method to characterize particle emissions in this currently unregulated size range. A PN measurement system was developed based on an extensive review of the literature and laboratory experiments testing a variety of PN measurement and sampling approaches. The measurement system developed is characterized by high particle penetration and versatility, which enables the assessment of primary particles, delayed primary particles, and secondary aerosols, starting from a few nanometers in diameter. This paper provides instruction on how to install and operate this Portable Emission Measurement System (PEMS) for Real Drive Emissions (RDE) measurements and assess particle number emissions below the current legislative limit of 23 nm.

FachzeitschriftJournal of Visualized Experiments
PublikationsstatusVeröffentlicht - 22 Mai 2020

ASJC Scopus subject areas

  • Chemische Verfahrenstechnik (insg.)
  • Biochemie, Genetik und Molekularbiologie (insg.)
  • Immunologie und Mikrobiologie (insg.)
  • Neurowissenschaften (insg.)

Fields of Expertise

  • Mobility & Production


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