Preprints
https://doi.org/10.5194/amt-2020-42
https://doi.org/10.5194/amt-2020-42
27 Mar 2020
 | 27 Mar 2020
Status: this preprint was under review for the journal AMT but the revision was not accepted.

A Phase Separation Inlet for Droplets, Ice Residuals, and Interstitial Aerosols

Libby Koolik, Michael Roesch, Lesly J. Franco Deloya, Chuanyang Shen, A. Gannet Hallar, Ian B. McCubbin, and Daniel J. Cziczo

Abstract. A new inlet for studying the aerosols and hydrometeor residuals that compose mixed-phase clouds – the phaSe seParation Inlet for Droplets icE residuals and inteRstitial aerosols (SPIDER) – is described here. SPIDER combines an omni-directional inlet, 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, and interstitial aerosols for simultaneous sampling. Laboratory verification tests of each individual component and the composite SPIDER system were conducted. SPIDER was deployed to Storm Peak Laboratory (SPL), a mountain-top research facility at 3210 m a.s.l. in the Rocky Mountains, for a three-week field campaign. SPIDER performance as a field instrument is presented with data that demonstrates its capability of separating distinct cloud elements and interstitial aerosol. Possible design improvements of SPIDER are also suggested.

Libby Koolik, Michael Roesch, Lesly J. Franco Deloya, Chuanyang Shen, A. Gannet Hallar, Ian B. McCubbin, and Daniel J. Cziczo
 
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
 
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Libby Koolik, Michael Roesch, Lesly J. Franco Deloya, Chuanyang Shen, A. Gannet Hallar, Ian B. McCubbin, and Daniel J. Cziczo
Libby Koolik, Michael Roesch, Lesly J. Franco Deloya, Chuanyang Shen, A. Gannet Hallar, Ian B. McCubbin, and Daniel J. Cziczo

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Short summary
The phaSe seParation Inlet for Droplets icE residuals and inteRstitial aerosols (SPIDER) combines an omni-directional inlet, a Large-Pumped Counterflow Virtual Impactor, a flow tube evaporation chamber, and a Pumped Counterflow Virtual Impactor to separate droplets, ice crystals, and interstitial aerosols for simultaneous sampling. This new inlet for studying mixed-phase clouds is described here, with laboratory verification tests and a deployment at a mountain-top research facility.