A phase separation inlet for droplets, ice residuals,  and interstitial aerosol particles

L. Koolik; L. Koolik; L. Koolik; M. Roesch; M. Roesch; C. Dameto de Espana; C. N. Rapp; L. J. Franco Deloya; C. Shen; C. Shen; A. G. Hallar; A. G. Hallar; I. B. McCubbin; D. J. Cziczo; D. J. Cziczo; D. J. Cziczo

doi:10.5194/amt-15-3213-2022

Atmospheric Measurement Techniques (May 2022)

A phase separation inlet for droplets, ice residuals, and interstitial aerosol particles

L. Koolik,
L. Koolik,
L. Koolik,
M. Roesch,
M. Roesch,
C. Dameto de Espana,
C. N. Rapp,
L. J. Franco Deloya,
C. Shen,
C. Shen,
A. G. Hallar,
A. G. Hallar,
I. B. McCubbin,
D. J. Cziczo,
D. J. Cziczo,
D. J. Cziczo

Affiliations

L. Koolik: Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
L. Koolik: Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
L. Koolik: Department of Civil and Environmental Engineering, University of California Berkeley, Berkeley, CA 94720, USA
M. Roesch: Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
M. Roesch: Department of Environmental Systems Science, Swiss Federal Institute of Technology, ETH Zurich, Zurich 8092, Switzerland
C. Dameto de Espana: Department of Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907, USA
C. N. Rapp: Department of Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907, USA
L. J. Franco Deloya: Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
C. Shen: Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
C. Shen: Department of Atmospheric and Oceanic Sciences, Peking University, Beijing 100871, China
A. G. Hallar: Department of Atmospheric Sciences, University of Utah, Salt Lake City, UT 84112, USA
A. G. Hallar: Storm Peak Laboratory, Desert Research Institute, Steamboat Springs, CO 80488, USA
I. B. McCubbin: Storm Peak Laboratory, Desert Research Institute, Steamboat Springs, CO 80488, USA
D. J. Cziczo: Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
D. J. Cziczo: Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
D. J. Cziczo: Department of Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907, USA

DOI: https://doi.org/10.5194/amt-15-3213-2022
Journal volume & issue: Vol. 15
pp. 3213 – 3222

Abstract

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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.

Published in Atmospheric Measurement Techniques

ISSN: 1867-1381 (Print); 1867-8548 (Online)
Publisher: Copernicus Publications
Country of publisher: Germany
LCC subjects: Technology: Engineering (General). Civil engineering (General): Environmental engineering; Technology: Engineering (General). Civil engineering (General): Earthwork. Foundations
Website: http://www.atmospheric-measurement-techniques.net/home.html

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