Articles | Volume 16, issue 14
https://doi.org/10.5194/amt-16-3505-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-16-3505-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Jul 2023
Research article |
| 21 Jul 2023
| 21 Jul 2023
Characterisation of a self-sustained, water-based condensation particle counter for aircraft cruising pressure level operation
Institute of Energy and Climate Research 8 – Troposphere (IEK-8), Forschungszentrum Jülich GmbH, Jülich, Germany
Institute for Atmospheric and Environmental Research, University of
Wuppertal, Wuppertal, Germany
Oliver F. Bischof
Institute of Energy and Climate Research 8 – Troposphere (IEK-8), Forschungszentrum Jülich GmbH, Jülich, Germany
Particle Instruments, TSI GmbH, Aachen, Germany
Benedikt Fischer
Institute of Energy and Climate Research 5 – Photovoltaic (IEK-5), Forschungszentrum Jülich GmbH, Jülich, Germany
Marcel Berg
Institute of Energy and Climate Research 8 – Troposphere (IEK-8), Forschungszentrum Jülich GmbH, Jülich, Germany
Susanne Hering
Aerosol Dynamics Inc, Berkeley, CA 94710, USA
Steven Spielman
Aerosol Dynamics Inc, Berkeley, CA 94710, USA
Gregory Lewis
Aerosol Dynamics Inc, Berkeley, CA 94710, USA
Andreas Petzold
Institute of Energy and Climate Research 8 – Troposphere (IEK-8), Forschungszentrum Jülich GmbH, Jülich, Germany
Institute for Atmospheric and Environmental Research, University of
Wuppertal, Wuppertal, Germany
Institute of Energy and Climate Research 8 – Troposphere (IEK-8), Forschungszentrum Jülich GmbH, Jülich, Germany
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We assess the performance of a highly portable mobility analyzer, the Spider DMA, in measuring ambient aerosol particle size distributions, with specific attention to its moderate sizing resolution (R=3). Long-term field testing showed excellent correlation with a conventional mobility analyzer (R=10) over the 17–500 nm range, suggesting that moderate resolution may be sufficient to obtain key properties of ambient size distributions, enabling smaller instruments and better counting statistics.
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An evaluation of the performance and accuracy of a Cavity Attenuated Phase-Shift Single Scattering Albedo Monitor (CAPS PMSSA; Aerodyne Research, Inc.) was conducted in an optical-closure study with proven technologies for aerosol particle optical-property measurements. This study demonstrates that the CAPS PMSSA is a robust and reliable instrument for the direct measurement of the particle scattering and extinction coefficients and thus single-scattering albedo.
James F. Hurley, Nathan M. Kreisberg, Braden Stump, Chenyang Bi, Purushottam Kumar, Susanne V. Hering, Pat Keady, and Gabriel Isaacman-VanWertz
Atmos. Meas. Tech., 13, 4911–4925, https://doi.org/10.5194/amt-13-4911-2020, https://doi.org/10.5194/amt-13-4911-2020, 2020
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The chemical composition of aerosols has implications for human and ecosystem health. Current methods for determining chemical composition are expensive and require highly trained personnel. Our method is promising for moderate-cost, low-maintenance measurements of oxygen / carbon ratios, a key chemical parameter, and other elements may also be studied. In this work, we coupled two commonly used detectors to assess O / C ratios in a variety of compounds and mixtures within an acceptable error.
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Short summary
This study tests the new water condensation particle counter (MAGIC 210-LP) for deployment on passenger aircraft coordinated by the European research infrastructure IAGOS. We conducted a series of laboratory experiments for flight altitude conditions. We demonstrate that this water condensation particle counter model shows excellent agreement with a butanol-based instrument used in parallel and a Faraday cup electrometer as reference instrument at all tested pressure conditions.
This study tests the new water condensation particle counter (MAGIC 210-LP) for deployment on...
