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van der Wall, Berend G. (2018) Potential hazards of wind turbine wake vortices for ultra-light sports rotorcraft. 21. DGLR-Fachsymposium der STAB, 2018-11-06 - 2018-11-07, Darmstadt, Germany.
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Abstract
The wake of wind turbines is modeled as a tip vortex helix with a vortex strength estimated from the turbine thrust. The rotors representative of an ultra-light class autogiro and an ultra-light class coaxial helicopter are subjected to equivalent straight line vortices. For both vehicles the rotor blade flapping perturbations generated by the vortices are computed and compared to the flapping margin available. The rotor controls of the helicopter required to mitigate the vortex effects are investigated and compared to the control margin available.
| Item URL in elib: | https://elib.dlr.de/120425/ | ||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||
| Title: | Potential hazards of wind turbine wake vortices for ultra-light sports rotorcraft | ||||||||
| Authors: |
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| Date: | November 2018 | ||||||||
| Refereed publication: | Yes | ||||||||
| Open Access: | No | ||||||||
| Gold Open Access: | No | ||||||||
| In SCOPUS: | No | ||||||||
| In ISI Web of Science: | No | ||||||||
| Page Range: | pp. 1-10 | ||||||||
| Status: | Published | ||||||||
| Keywords: | Flight safety, wake encounter, vortex-rotor interaction, rotor control margin, rotor flapping margin | ||||||||
| Event Title: | 21. DGLR-Fachsymposium der STAB | ||||||||
| Event Location: | Darmstadt, Germany | ||||||||
| Event Type: | national Conference | ||||||||
| Event Start Date: | 6 November 2018 | ||||||||
| Event End Date: | 7 November 2018 | ||||||||
| Organizer: | DGLR | ||||||||
| 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 Innovative Rotorcraft (old) | ||||||||
| Location: | Braunschweig | ||||||||
| Institutes and Institutions: | Institute of Flight Systems > Rotorcraft | ||||||||
| Deposited By: | van der Wall, Prof. Dr. Berend G. | ||||||||
| Deposited On: | 05 Dec 2018 14:26 | ||||||||
| Last Modified: | 24 Apr 2024 20:24 |
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