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Aerodynamic Performance of Morphing Blades and Rotor Systems

Rauleder, Jürgen and van der Wall, Berend G. and Woods, Benjamin K.S. and de Breuker, Roeland (2018) Aerodynamic Performance of Morphing Blades and Rotor Systems. AHS 74th Annual forum & Technology Display, 14.-17. Mai 2018, Phoenix, Arizona, USA.

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Shape Adaptive Blades for Rotorcraft Efficiency (SABRE) is a recently launched Horizon 2020 research project that will develop ground-breaking new helicopter blade morphing technologies with the aim of reducing helicopter emissions. Significant reductions in CO2 and NOx emissions will be achieved by removing one of the most fundamental limitations on helicopter performance: the need for rotor blades to have a single fixed geometry which is inherently a compromise between widely different operating conditions. SABRE envisions shape adaptive rotor blades which can continuously change their shape to optimize performance in rapidly changing aerodynamic environments over the rotor azimuth and changing flow conditions along the blade span, and between different flight states such as hover and fast forward flight. Therefore, the investigated morphing technologies and actuation strategies vary in terms of achievable actuation frequencies and maximum deflections, some of them tailored towards quasi-static actuation (i.e., configuration type changes, hover versus forward flight), and other investigated mechanisms suited for up to 2/rev actuation to achieve optimum rotor performance.

Item URL in elib:https://elib.dlr.de/115333/
Document Type:Conference or Workshop Item (Speech)
Title:Aerodynamic Performance of Morphing Blades and Rotor Systems
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rauleder, JürgenTU MünchenUNSPECIFIED
van der Wall, Berend G.berend.vanderwall (at) dlr.dehttps://orcid.org/0000-0001-6144-0921
Woods, Benjamin K.S.University of BristolUNSPECIFIED
de Breuker, RoelandDelft University of TechnologyUNSPECIFIED
Date:May 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-20
Keywords:Helicopter, Rotor, Adaptive Rotor Blade
Event Title:AHS 74th Annual forum & Technology Display
Event Location:Phoenix, Arizona, USA
Event Type:international Conference
Event Dates:14.-17. Mai 2018
Organizer:American Helicotper Society International
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 , other
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: van der Wall, Prof. Dr. Berend G.
Deposited On:28 May 2018 12:57
Last Modified:20 Jun 2021 15:49

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