Title
Analysis of the Boundary Layer on a Highly Flexible Wing Based on Infrared Thermography Measurements
Author
Mertens, C. (TU Delft Aerodynamics) 
Grille Guerra, A. (TU Delft Aerodynamics)
van Oudheusden, B.W. (TU Delft Aerodynamics)
Fehrs, Michael (Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR))
Ritter, Markus R. (Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR))
Date
2024
Abstract
The effects of the wing skin distortion on the boundary layer of a highly flexible wing are analyzed in a wind tunnel experiment using infrared thermography measurements. Considerable differences in the boundary layer flow are observed when comparing the sections of the wing near the ribs, where the design shape of the wing is preserved, and in between the ribs. At the spanwise locations between the ribs, the sectional wing shape distorts and triggers boundary layer transition close to the leading edge. The differences between the design behavior of the wing and the experimental results of the boundary layer analysis demonstrate the need for considering the skin deformation and its effects on the boundary layer flow when designing highly flexible wings.
Subject
differential infrared thermography
laminar separation bubble
Pazy wing
wind tunnel test
To reference this document use:
http://resolver.tudelft.nl/uuid:78640ecc-ad2a-490c-8783-912f4047d488
DOI
https://doi.org/10.1007/978-3-031-40482-5_1
Publisher
Springer
Embargo date
2024-04-01
Source
Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Series
Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 1612-2909, 154
Bibliographical note
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.
Part of collection
Institutional Repository
Document type
book chapter
Rights
© 2024 C. Mertens, A. Grille Guerra, B.W. van Oudheusden, Michael Fehrs, Markus R. Ritter