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Heineck, James T. and Schülein, Erich and Raffel, Markus (2014) Boundary layer transition detection on a rotor blade using rotating mirror thermography. American Helicopter Society International, Inc.. Fifth Decennial AHS Aeromechanics Specialists’ Conference, 2014-01-22 - 2014-01-24, San Francisco, CA, USA.
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Official URL: https://vtol.org/events/fifth-decennial-ahs-aeromechanics-specialists-conference
Abstract
Laminar-to-turbulent transition on a rotor blade in hover has been imaged using an area-scan infrared camera. A new method for tracking a blade using a rotating mirror was employed. The mirror axis of rotation roughly corresponded to the rotor axis of rotation and the mirror rotational frequency is 1/2 that of the rotor. This permitted the use of cameras whose integration time was too long to prevent image blur due to the motion of the blade. This article will show the use of this method for a rotor blade at different collective pitch angles.
| Item URL in elib: | https://elib.dlr.de/91843/ | ||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||
| Additional Information: | SKU # : sm_aeromech_2014_035 | ||||||||||||||||
| Title: | Boundary layer transition detection on a rotor blade using rotating mirror thermography | ||||||||||||||||
| Authors: |
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| Date: | 2014 | ||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||
| Open Access: | No | ||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||
| Page Range: | pp. 1-6 | ||||||||||||||||
| Publisher: | American Helicopter Society International, Inc. | ||||||||||||||||
| Series Name: | Conference Proceedings on CD-ROM | ||||||||||||||||
| Status: | Published | ||||||||||||||||
| Keywords: | In-flight thermography, boundary layer transition detection, rotating mirror, rotor blade, Laminar-to-turbulent transition | ||||||||||||||||
| Event Title: | Fifth Decennial AHS Aeromechanics Specialists’ Conference | ||||||||||||||||
| Event Location: | San Francisco, CA, USA | ||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||
| Event Start Date: | 22 January 2014 | ||||||||||||||||
| Event End Date: | 24 January 2014 | ||||||||||||||||
| 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: | 14 Nov 2014 10:22 | ||||||||||||||||
| Last Modified: | 24 Apr 2024 19:57 |
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