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Icing Wind Tunnel Measurements of Supercooled Large Droplets Using the 12 mm Total Water Content Cone of the Nevzorov Probe

Lucke, Johannes and Jurkat-Witschas, Tina and Heller, Romy and Hahn, Valerian and Hamman, Matthew and Breitfuss, Wolfgang and Bora, Venkateshwar Reddy and Moser, Manuel and Voigt, Christiane (2022) Icing Wind Tunnel Measurements of Supercooled Large Droplets Using the 12 mm Total Water Content Cone of the Nevzorov Probe. Atmospheric Measurement Techniques (AMT) (15), pp. 7375-7394. Copernicus Publications. doi: 10.5194/egusphere-2022-647. ISSN 1867-1381.

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Official URL: https://dx.doi.org/10.5194/egusphere-2022-647

Abstract

Supercooled large droplet (SLD) icing can occur behind the protected surfaces of an aircraft and create severe aerodynamic disturbances, which represent a safety hazard for aviation. Liquid water content (LWC) measurements in icing conditions that contain SLD require instruments that are able to sample unimodal and bimodal droplet size distributions with droplet diameters from 2 to 2000 µm. No standardized detection method exists for this task. A candidate instrument, that is currently used in icing wind tunnel (IWT) research, is the Nevzorov probe. In addition to the standard 8 mm total water content (TWC) collector cone, a novel instrument version also features a 12 mm diameter cone, which might be advantageous for collecting the large droplets characteristic of SLD conditions. In the scope of the two EU projects SENS4ICE and ICE GENESIS we performed measurement campaigns in SLD icing conditions in IWTs in Germany, Austria and the USA.

Item URL in elib:https://elib.dlr.de/191237/
Document Type:Article
Title:Icing Wind Tunnel Measurements of Supercooled Large Droplets Using the 12 mm Total Water Content Cone of the Nevzorov Probe
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Lucke, JohannesDLR, IPAhttps://orcid.org/0000-0001-6724-864XUNSPECIFIED
Jurkat-Witschas, TinaDLR, IPAUNSPECIFIEDUNSPECIFIED
Heller, RomyDLR, IPAUNSPECIFIEDUNSPECIFIED
Hahn, ValerianDLR, IPAUNSPECIFIEDUNSPECIFIED
Hamman, MatthewCollins aerospaceUNSPECIFIEDUNSPECIFIED
Breitfuss, WolfgangRTAUNSPECIFIEDUNSPECIFIED
Bora, Venkateshwar ReddyTUBSUNSPECIFIEDUNSPECIFIED
Moser, ManuelDLR, IPAUNSPECIFIEDUNSPECIFIED
Voigt, ChristianeDLR, IPAhttps://orcid.org/0000-0001-8925-7731UNSPECIFIED
Date:2022
Journal or Publication Title:Atmospheric Measurement Techniques (AMT)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.5194/egusphere-2022-647
Page Range:pp. 7375-7394
Publisher:Copernicus Publications
ISSN:1867-1381
Status:Published
Keywords:icing wind tunnel, liquid water content, Nevzorov probe,
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Climate, Weather and Environment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Cloud Physics
Deposited By: Voigt, Dr.rer.nat. Christiane
Deposited On:29 Nov 2022 18:51
Last Modified:16 Jan 2023 09:31

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