Real-time characterization of ultrafine and accumulation mode particles in ambient combustion aerosols

N. Bukowiecki; D. B. Kittelson; W. F. Watts; H. Burtscher; E. Weingartner; U. Baltensperger

doi:10.1016/S0021-8502(02)00063-0

Real-time characterization of ultrafine and accumulation mode particles in ambient combustion aerosols

N. Bukowiecki, D. B. Kittelson, W. F. Watts, H. Burtscher, E. Weingartner, U. Baltensperger

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

103 Scopus citations

Abstract

The diffusion charging sensor (DC), photoelectric aerosol sensor (PAS) and condensation particle counter (CPC) are real-time particle instruments that have time resolutions <10s and are suitable for field use. This paper shows how the relative fraction of nuclei mode particles (D≤50nm) in ambient combustion aerosols can be determined, along with the coverage degree of the respective accumulation mode particles with a modal diameter of ∼100nm. Main tools for interpretation are the diameter of average surface D_Ave,S (obtained from CPC and DC measurements) and PAS/DC versus D_Ave,S scatter plots. Compared to the scanning mobility particle sizer (SMPS), which is a standard instrument for aerosol particle size distribution measurements, the presented method has a limited accuracy, but is substantially faster. Additionally, it is experimentally less demanding than SMPS measurements, especially for field applications.

Original language	English (US)
Pages (from-to)	1139-1154
Number of pages	16
Journal	Journal of Aerosol Science
Volume	33
Issue number	8
DOIs	https://doi.org/10.1016/S0021-8502(02)00063-0
State	Published - 2002

Bibliographical note

Funding Information:
Funding support for the mentioned CRC E-43 project is sponsored by the following US Institutions: Coordinating Research Council (CRC), Department of Energy/National Renewable Energy Laboratory (DOE/NREL). Co-sponsors are the Engine Manufacturers Association, Southcoast Air Quality Management District, California Air Resources Board, Cummins Inc., Caterpillar Inc. and Volvo Inc.

Keywords

Diesel exhaust
Diffusion charging
Nanoparticles
Photoemission
Urban aerosol

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title = "Real-time characterization of ultrafine and accumulation mode particles in ambient combustion aerosols",

abstract = "The diffusion charging sensor (DC), photoelectric aerosol sensor (PAS) and condensation particle counter (CPC) are real-time particle instruments that have time resolutions <10s and are suitable for field use. This paper shows how the relative fraction of nuclei mode particles (D≤50nm) in ambient combustion aerosols can be determined, along with the coverage degree of the respective accumulation mode particles with a modal diameter of ∼100nm. Main tools for interpretation are the diameter of average surface DAve,S (obtained from CPC and DC measurements) and PAS/DC versus DAve,S scatter plots. Compared to the scanning mobility particle sizer (SMPS), which is a standard instrument for aerosol particle size distribution measurements, the presented method has a limited accuracy, but is substantially faster. Additionally, it is experimentally less demanding than SMPS measurements, especially for field applications.",

keywords = "Diesel exhaust, Diffusion charging, Nanoparticles, Photoemission, Urban aerosol",

author = "N. Bukowiecki and Kittelson, {D. B.} and Watts, {W. F.} and H. Burtscher and E. Weingartner and U. Baltensperger",

note = "Funding Information: Funding support for the mentioned CRC E-43 project is sponsored by the following US Institutions: Coordinating Research Council (CRC), Department of Energy/National Renewable Energy Laboratory (DOE/NREL). Co-sponsors are the Engine Manufacturers Association, Southcoast Air Quality Management District, California Air Resources Board, Cummins Inc., Caterpillar Inc. and Volvo Inc.",

year = "2002",

doi = "10.1016/S0021-8502(02)00063-0",

language = "English (US)",

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AU - Bukowiecki, N.

AU - Kittelson, D. B.

AU - Watts, W. F.

AU - Burtscher, H.

AU - Weingartner, E.

AU - Baltensperger, U.

N1 - Funding Information: Funding support for the mentioned CRC E-43 project is sponsored by the following US Institutions: Coordinating Research Council (CRC), Department of Energy/National Renewable Energy Laboratory (DOE/NREL). Co-sponsors are the Engine Manufacturers Association, Southcoast Air Quality Management District, California Air Resources Board, Cummins Inc., Caterpillar Inc. and Volvo Inc.

PY - 2002

Y1 - 2002

N2 - The diffusion charging sensor (DC), photoelectric aerosol sensor (PAS) and condensation particle counter (CPC) are real-time particle instruments that have time resolutions <10s and are suitable for field use. This paper shows how the relative fraction of nuclei mode particles (D≤50nm) in ambient combustion aerosols can be determined, along with the coverage degree of the respective accumulation mode particles with a modal diameter of ∼100nm. Main tools for interpretation are the diameter of average surface DAve,S (obtained from CPC and DC measurements) and PAS/DC versus DAve,S scatter plots. Compared to the scanning mobility particle sizer (SMPS), which is a standard instrument for aerosol particle size distribution measurements, the presented method has a limited accuracy, but is substantially faster. Additionally, it is experimentally less demanding than SMPS measurements, especially for field applications.

AB - The diffusion charging sensor (DC), photoelectric aerosol sensor (PAS) and condensation particle counter (CPC) are real-time particle instruments that have time resolutions <10s and are suitable for field use. This paper shows how the relative fraction of nuclei mode particles (D≤50nm) in ambient combustion aerosols can be determined, along with the coverage degree of the respective accumulation mode particles with a modal diameter of ∼100nm. Main tools for interpretation are the diameter of average surface DAve,S (obtained from CPC and DC measurements) and PAS/DC versus DAve,S scatter plots. Compared to the scanning mobility particle sizer (SMPS), which is a standard instrument for aerosol particle size distribution measurements, the presented method has a limited accuracy, but is substantially faster. Additionally, it is experimentally less demanding than SMPS measurements, especially for field applications.

KW - Diesel exhaust

KW - Diffusion charging

KW - Nanoparticles

KW - Photoemission

KW - Urban aerosol

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Real-time characterization of ultrafine and accumulation mode particles in ambient combustion aerosols

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