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Ice detection by ultrasonic guided waves

Mendig, Christian and Riemenschneider, Johannes and Monner, Hans Peter and Vier, Leonard Johannes and Endres, Matthias and Sommerwerk, Hannah (2018) Ice detection by ultrasonic guided waves. CEAS Aeronautical Journal. Springer. DOI: 10.1007/s13272-018-0289-0 ISSN 1869-5590

Full text not available from this repository.

Official URL: https://link.springer.com/article/10.1007/s13272-018-0289-0?wt_mc=Internal.Event.1.SEM.ArticleAuthorOnlineFirst

Abstract

This paper describes a method for inflight ice detection using ultrasonic guided waves that is little studied until now. Unlike existing systems, the proposed method can immediately detect icing at the place of formation. The detection area can also include whole structural segments and the proposed sensor can be integrated into a wing structure without any effect on the flow around the aerofoil or increase in drag. The proposed detection method is based on excitation with a burst signal and a sine sweep. The system was tested on a plate made from carbon fibre-reinforced plastic (CFRP) and two leading edges of a NACA 0012 profile. Ice was applied to the CFRP-plate in a cooling chamber using regular water and built up onto the leading edges in an ice wind tunnel using super cooled water droplets. Piezo ceramic patches and discs were affixed to the testing model structures for use as transceivers and receivers, respectively, to initiate the guided waves and convert them back into electric signals. The influence of variation in ice layer thickness and temperature on the sensor output signal was then investigated using the average and maximum absolute sensor output and runtime to calculate the group velocity, which was then compared to calculated group velocity values. Based on the test results, the proposed method was determined to be sensitive to the build-up of ice and, thus, effective in principle.

Item URL in elib:https://elib.dlr.de/120250/
Document Type:Article
Title:Ice detection by ultrasonic guided waves
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Mendig, ChristianChristian.Mendig (at) dlr.dehttps://orcid.org/0000-0002-1547-7309
Riemenschneider, JohannesJohannes.Riemenschneider (at) dlr.dehttps://orcid.org/0000-0001-5485-8326
Monner, Hans PeterInstitut für Faserverbundleichtbau und Adaptronik - Adaptronikhttps://orcid.org/0000-0002-5897-2422
Vier, Leonard Johannestu braunschweighttps://orcid.org/0000-0001-8357-8948
Endres, MatthiasTU BraunschweigUNSPECIFIED
Sommerwerk, HannahTU BraunschweigUNSPECIFIED
Date:March 2018
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.1007/s13272-018-0289-0
Editors:
EditorsEmail
Henke, RolfUNSPECIFIED
Publisher:Springer
ISSN:1869-5590
Status:Published
Keywords:Eiserkennung, Ice Detection, geführte Ultraschallwellen, ultrasonic guided waves, Flugzeugvereisung, aircraft icing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts and Integration
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Adaptronics
Deposited By: Mendig, Christian
Deposited On:20 May 2019 07:58
Last Modified:20 May 2019 07:58

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