A phase separation inlet for droplets, ice residuals, and interstitial aerosol particles
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Published:2022-05-30
Issue:10
Volume:15
Page:3213-3222
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ISSN:1867-8548
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Container-title:Atmospheric Measurement Techniques
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language:en
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Short-container-title:Atmos. Meas. Tech.
Author:
Koolik LibbyORCID, Roesch MichaelORCID, Dameto de Espana Carmen, Rapp Christopher Nathan, Franco Deloya Lesly J., Shen Chuanyang, Hallar A. Gannet, McCubbin Ian B., Cziczo Daniel J.
Abstract
Abstract. A new inlet for studying the aerosol particles and
hydrometeor residuals that compose mixed-phase clouds – the phaSe
seParation Inlet for Droplets icE residuals and inteRstitial aerosol
particles (SPIDER) – is described here. SPIDER combines a large pumped
counterflow virtual impactor (L-PCVI), a flow tube evaporation chamber, and
a pumped counterflow virtual impactor (PCVI) to separate droplets, ice
crystals (∼3–25 µm), and interstitial aerosol
particles for simultaneous sampling. Laboratory verification tests of each
individual component and the composite SPIDER system were conducted.
Transmission efficiency, evaporation, and ice crystals' survival were
determined to show the capability of the system. The experiments show the
SPIDER system can separate distinct cloud elements and interstitial aerosol
particles for subsequent analysis. As a field instrument, SPIDER will help
explore the properties of different cloud elements and interstitial aerosol
particles in mixed-phase clouds.
Funder
Directorate for Geosciences
Publisher
Copernicus GmbH
Subject
Atmospheric Science
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