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Boundary layer transition detection on a rotor blade using rotating mirror thermography

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


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/
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
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Heineck, James T.NASA Ames Research Center, Moffett Field, CA, USAUNSPECIFIEDUNSPECIFIED
Schülein, ErichUNSPECIFIEDhttps://orcid.org/0000-0002-1125-8504UNSPECIFIED
Raffel, MarkusUNSPECIFIEDhttps://orcid.org/0000-0002-3340-9115UNSPECIFIED
Refereed publication:Yes
Open Access:No
Gold Open Access: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
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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