Articles | Volume 16, issue 13
https://doi.org/10.5194/acp-16-8559-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-8559-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
14 Jul 2016
Research article |
| 14 Jul 2016
Time-resolved characterization of primary particle emissions and secondary particle formation from a modern gasoline passenger car
Panu Karjalainen
Aerosol Physics Laboratory, Department of Physics, Tampere
University of Technology, P.O. Box 692, 33101 Tampere,
Finland
Hilkka Timonen
Atmospheric Composition Research, Finnish Meteorological
Institute, P.O. Box 503, 00101, Helsinki, Finland
Erkka Saukko
Aerosol Physics Laboratory, Department of Physics, Tampere
University of Technology, P.O. Box 692, 33101 Tampere,
Finland
Heino Kuuluvainen
Aerosol Physics Laboratory, Department of Physics, Tampere
University of Technology, P.O. Box 692, 33101 Tampere,
Finland
Sanna Saarikoski
Atmospheric Composition Research, Finnish Meteorological
Institute, P.O. Box 503, 00101, Helsinki, Finland
Päivi Aakko-Saksa
VTT Technical Research Centre of Finland Ltd., P.O. Box
1000, 02044 VTT, Espoo, Finland
Timo Murtonen
VTT Technical Research Centre of Finland Ltd., P.O. Box
1000, 02044 VTT, Espoo, Finland
Matthew Bloss
Atmospheric Composition Research, Finnish Meteorological
Institute, P.O. Box 503, 00101, Helsinki, Finland
Miikka Dal Maso
Aerosol Physics Laboratory, Department of Physics, Tampere
University of Technology, P.O. Box 692, 33101 Tampere,
Finland
Pauli Simonen
Aerosol Physics Laboratory, Department of Physics, Tampere
University of Technology, P.O. Box 692, 33101 Tampere,
Finland
Erik Ahlberg
Centre for Environmental and Climate research, Lund
University, Box 118, 22100 Lund, Sweden
Division of Nuclear Physics, Lund University, Box 118,
22100 Lund, Sweden
Birgitta Svenningsson
Division of Nuclear Physics, Lund University, Box 118,
22100 Lund, Sweden
William Henry Brune
Department of Meteorology, Pennsylvania State University,
University Park, PA, USA
Risto Hillamo
Atmospheric Composition Research, Finnish Meteorological
Institute, P.O. Box 503, 00101, Helsinki, Finland
Jorma Keskinen
Aerosol Physics Laboratory, Department of Physics, Tampere
University of Technology, P.O. Box 692, 33101 Tampere,
Finland
Topi Rönkkö
CORRESPONDING AUTHOR
Aerosol Physics Laboratory, Department of Physics, Tampere
University of Technology, P.O. Box 692, 33101 Tampere,
Finland
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Latest update: 07 Nov 2025
Short summary
We characterized time-resolved primary particulate emissions and secondary particle formation from a modern gasoline passenger car. In mass terms, the amount of secondary particles was 13 times the amount of primary particles. The highest emissions were observed after a cold start when the engine and catalyst performance were suboptimal. The key parameter for secondary particle formation was the amount of gaseous hydrocarbons in the exhaust.
We characterized time-resolved primary particulate emissions and secondary particle formation...
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