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Measurement of wing deformation in ETW by means of Moiré Interferometry

Pallek, D. (2004) Measurement of wing deformation in ETW by means of Moiré Interferometry. DLR/ONERA - Annex II Meeting, DLR, Köln, 6. -7. April 2004.

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Abstract

A non-intrusive Moiré Interferometry system has been designed and installed by DLR to determine the instantaneous deformation of aircraft models during testing in the European Transonic Windtunnel ETW. The lecture describes the principles of the Moiré technique and the experimental set-up of the system. As high accuracy for the measurement of wing twist (< 0.1°) and wing bending (< 0.05 mm) is required, hardware and evaluation software have to be carefully designed. The influence of disturbing effects is discussed in detail, also the solutions to overcome these problems. Measurements of the wing twist of an A 380 type aircraft within the European HiReTT project are described, and results of selected test cases are presented and compared to other experimental and numerical methods.

Item URL in elib:https://elib.dlr.de/12803/
Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Measurement of wing deformation in ETW by means of Moiré Interferometry
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pallek, D.UNSPECIFIEDUNSPECIFIED
Date:2004
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:1-
Status:Published
Keywords:Moiré-Interferometrie, Modelldeformation, Modellbewegung, Windkanalmesstechnik
Event Title:DLR/ONERA - Annex II Meeting, DLR, Köln, 6. -7. April 2004
Organizer:DLR/ONERA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Micknaus, Ilka
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:31

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