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Kirmse, Tania and Gardner, Anthony Donald and Krombholz, Christian (2013) Investigation of Aero-Optical Effects in Model Deformation Measurements in a Transonic Flow. In: New Results in Numerical Experimental Fluid Mechanics VIII Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 121. Springer Verlag, Heidelberg New York Dordrecht London. pp. 665-672. doi: 10.1007/978-3-642-35680-3_79. ISBN 978-3-642-35679-7. ISSN 1612-2909.
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Official URL: http://link.springer.com/chapter/10.1007/978-3-642-35680-3_79
Abstract
The influence of strong density gradients on the accuracy of model deformation measurements by means of the Image Pattern Correlation Technique (IPCT) was investigated for a 2D-NACA0010 airfoil in the Transonic Wind Tunnel Göttingen. To ensure a visible aero-optical effect the measurements were performed at Mach 0.8 and 0.85 at angles of attack of up to 5°. Ray tracer simulations based on numerical simulation of the flow were used to optimize the test set-up and to compare the measurement results with the CFD simulations. The measurements performed demonstrate that the view direction of the cameras with respect to the shock has a strong influence whether an aero-optical effect can be observed or not. The comparison with CFD calculations by means of a ray tracer method showed that the ray tracer is an appropriate tool to optimize the experimental set-up.
| Item URL in elib: | https://elib.dlr.de/81216/ | ||||||||||||||||||||||||
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| Document Type: | Contribution to a Collection | ||||||||||||||||||||||||
| Additional Information: | Online ISBN: 978-3-642-35680-3 | ||||||||||||||||||||||||
| Title: | Investigation of Aero-Optical Effects in Model Deformation Measurements in a Transonic Flow | ||||||||||||||||||||||||
| Authors: |
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| Date: | 2013 | ||||||||||||||||||||||||
| Journal or Publication Title: | New Results in Numerical Experimental Fluid Mechanics VIII | ||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||
| Volume: | Vol. 121 | ||||||||||||||||||||||||
| DOI: | 10.1007/978-3-642-35680-3_79 | ||||||||||||||||||||||||
| Page Range: | pp. 665-672 | ||||||||||||||||||||||||
| Editors: |
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| Publisher: | Springer Verlag, Heidelberg New York Dordrecht London | ||||||||||||||||||||||||
| Series Name: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||||||||||||||||||
| ISSN: | 1612-2909 | ||||||||||||||||||||||||
| ISBN: | 978-3-642-35679-7 | ||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||
| Keywords: | Pattern Correlation Technique (IPCT), Model Deformation Measurements, CFD simulations | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||||||||||||
| HGF - Program Themes: | Aircraft Research (old) | ||||||||||||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||||||||||||||
| DLR - Research theme (Project): | L - Simulation & Validation (old) | ||||||||||||||||||||||||
| Location: | Göttingen | ||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Helicopters Institute of Aerodynamics and Flow Technology > Experimental Methods | ||||||||||||||||||||||||
| Deposited By: | Micknaus, Ilka | ||||||||||||||||||||||||
| Deposited On: | 15 Feb 2013 10:00 | ||||||||||||||||||||||||
| Last Modified: | 24 Apr 2015 15:44 |
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