Wolf, Christian C. and Merz, Christoph B. and Richter, Kai and Raffel, Markus (2015) Tip Vortex Dynamics of a Pitching Rotor Blade Tip Model. 53rd AIAA Aerospace Sciences Meeting, 05. - 09. Jan. 2015, Kissimmee, FL, USA. doi: 10.2514/6.2015-1492.
Full text not available from this repository.
Official URL: http://arc.aiaa.org/doi/abs/10.2514/6.2015-1492
Abstract
The tip vortex of a finite wing undergoing dynamic pitch oscillations is investigated by means of an experimental wind tunnel study. The motion and flow parameters as well as the model geometry were adapted to rotorcraft applications, including test cases with fully attached flow, light stall, and deep dynamic stall. High-speed Particle Image Velocimetry was used to study the spatio-temporal behavior of the tip wake at different streamwise positions. Combined to surface pressure measurements, the data establishes a connection between the sectional lift of the model and vortex parameters (trajectory, core radius, circulation, etc), including dynamic phenomena like hysteresis and vortex breakdown during stalled flow conditions.
Item URL in elib: | https://elib.dlr.de/89380/ | |||||||||||||||
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Document Type: | Conference or Workshop Item (Speech) | |||||||||||||||
Title: | Tip Vortex Dynamics of a Pitching Rotor Blade Tip Model | |||||||||||||||
Authors: |
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Date: | 2015 | |||||||||||||||
Refereed publication: | Yes | |||||||||||||||
Open Access: | No | |||||||||||||||
Gold Open Access: | No | |||||||||||||||
In SCOPUS: | No | |||||||||||||||
In ISI Web of Science: | No | |||||||||||||||
DOI : | 10.2514/6.2015-1492 | |||||||||||||||
Page Range: | pp. 1-7 | |||||||||||||||
Series Name: | Conference Proceedings online | |||||||||||||||
Status: | Published | |||||||||||||||
Keywords: | Tip Vortex, Dynamic Stall, High-Speed PIV | |||||||||||||||
Event Title: | 53rd AIAA Aerospace Sciences Meeting | |||||||||||||||
Event Location: | Kissimmee, FL, USA | |||||||||||||||
Event Type: | international Conference | |||||||||||||||
Event Dates: | 05. - 09. Jan. 2015 | |||||||||||||||
Organizer: | American Institute of Aeronautics and Astronautics | |||||||||||||||
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: | 25 Feb 2015 15:26 | |||||||||||||||
Last Modified: | 25 Feb 2015 15:26 |
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