Articles | Volume 2, issue 2
https://doi.org/10.5194/ar-2-261-2024
https://doi.org/10.5194/ar-2-261-2024
Research article
 | 
07 Aug 2024
Research article |  | 07 Aug 2024

Influence of soot aerosol properties on the counting efficiency of instruments used for the periodic technical inspection of diesel vehicles

Tobias Hammer, Diana Roos, Barouch Giechaskiel, Anastasios Melas, and Konstantina Vasilatou

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Latest update: 13 Dec 2024
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Short summary
More than 35 000 particle counters designed for the periodic technical inspection of diesel engine exhaust have been placed on the European market in the past few years. This work shows that the counting efficiency of these instruments depends on the properties of the test aerosols, even if all of them are combustion-based soot of similar mobility diameter. The aim of this study is to promote harmonisation of measurement procedures in the field of emission control.
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