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Raffel, Markus and Merz, Christoph B. (2014) Differential Infrared Thermography for Unsteady Boundary-Layer Transition Measurements. AIAA Journal, 52 (9), pp. 2090-2093. American Institute of Aeronautics and Astronautics (AIAA). doi: 10.2514/1.J053235. ISSN 0001-1452.
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Official URL: http://arc.aiaa.org/doi/pdf/10.2514/1.J053235
Abstract
Unsteady laminar/turbulent boundary-layer transition, dynamic flow separation, and reattachment are of special interest in recent propeller and helicopter aerodynamics, since modern rotor blade design methodologies increasingly take dynamic characteristics into account. Sophisticated experimental techniques for the determination of the skin-friction distribution (thereby also detecting transition) have to be developed in order to improve and validate numerical prediction and design methods. The complex hot-film anemometry has successfully been used in order to investigate the unsteady boundary-layer transition on pitching airfoils and large-scale helicopter rotor models in forward-flight configurations.
| Item URL in elib: | https://elib.dlr.de/89549/ | ||||||||||||
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| Document Type: | Article | ||||||||||||
| Additional Information: | Published online: 16 June 2014, Paper: 2090 | ||||||||||||
| Title: | Differential Infrared Thermography for Unsteady Boundary-Layer Transition Measurements | ||||||||||||
| Authors: |
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| Date: | 2014 | ||||||||||||
| Journal or Publication Title: | AIAA Journal | ||||||||||||
| Refereed publication: | Yes | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | Yes | ||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||
| Volume: | 52 | ||||||||||||
| DOI: | 10.2514/1.J053235 | ||||||||||||
| Page Range: | pp. 2090-2093 | ||||||||||||
| Publisher: | American Institute of Aeronautics and Astronautics (AIAA) | ||||||||||||
| Series Name: | Technical Notes | ||||||||||||
| ISSN: | 0001-1452 | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | helicopter rotor models, boundary-layer transition, cooler wind-tunnel flow, laminar flow | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||
| HGF - Program Themes: | rotorcraft | ||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||
| DLR - Program: | L RR - Rotorcraft Research | ||||||||||||
| DLR - Research theme (Project): | L - The Virtual Aerodynamic Rotorcraft (old) | ||||||||||||
| Location: | Göttingen | ||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Helicopters | ||||||||||||
| Deposited By: | Micknaus, Ilka | ||||||||||||
| Deposited On: | 15 Sep 2014 13:06 | ||||||||||||
| Last Modified: | 29 Nov 2023 08:53 |
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