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Optical Wall Shear Stress Measurements on the Leeward Side of a Delta Wing

Lunte, Jens and Schnepf, Christian and Schülein, Erich (2018) Optical Wall Shear Stress Measurements on the Leeward Side of a Delta Wing. In: 34th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, pp. 1-17. AIAA. AIAA Aviation 2018, 25.-29. Juni 2018, Atlanta, Georgia, USA. doi: 10.2514/6.2018-3806. ISBN 978-162410561-6.

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Official URL: https://arc.aiaa.org/doi/abs/10.2514/6.2018-3806


A simple setup for oil-film interferometry with white light was used to determine the flow topology and the wall shear stress on a delta wing at different angles of attack. Weil reproducible and plausible comprehensive wall shear stress distributions on the upper side of the delta wing could be calculated from experimental interference images. For the image evaluation, a new algorithm was proposed and developed, helping to compute automatically and quickly the local oil film thickness from a sequence of interference images. Numerical simulations with the DLR TAU-code were executed and compared with the experimental results.

Item URL in elib:https://elib.dlr.de/119429/
Document Type:Conference or Workshop Item (Speech)
Title:Optical Wall Shear Stress Measurements on the Leeward Side of a Delta Wing
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Lunte, JensJens.lunte (at) dlr.deUNSPECIFIED
Schnepf, Christianchristian.schnepf (at) dlr.deUNSPECIFIED
Schülein, ErichErich.Schuelein (at) dlr.dehttps://orcid.org/0000-0002-1125-8504
Date:24 June 2018
Journal or Publication Title:34th AIAA Aerodynamic Measurement Technology and Ground Testing Conference
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.2514/6.2018-3806
Page Range:pp. 1-17
Keywords:oil-film interferometry, white-light, skin friction
Event Title:AIAA Aviation 2018
Event Location:Atlanta, Georgia, USA
Event Type:international Conference
Event Dates:25.-29. Juni 2018
Organizer:American Institute of Aeronautics and Astronautics
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 - Military Technologies (old)
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > High Speed Configurations, GO
Deposited By: Lunte, Jens
Deposited On:01 Nov 2018 17:17
Last Modified:05 Jun 2019 15:49

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