van der Wall, Berend G. and Keßler, Christoph and Delrieux, Yves and Beaumier, Philippe and Gervais, Marc and Hirsch, Jean-Francois and Pengel, Kurt and Crozier, Pascal (2016) From ERATO Basic Research to the Blue Edge Rotor Blade. AHS International 72nd Annual Forum & Technology Display, 2016-05-17 - 2016-05-19, West Palm Beach, Florida, USA.
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Abstract
In 2015, Airbus Helicopters unveiled the secrecy around its Dauphin successor and presented the all new H160 heli-copter. A special feature immediately attracting attention is its unusual and revolutionary fore-aft swept main rotor blade. This design, aiming at significantly reducing the blade-vortex interaction noise signature and also reducing fast forward flight power requirements, finds its origins far back in the 1990s, when DLR and ONERA formed a joint team to acoustically optimize a rectangular reference rotor blade. Based on state-of-the-art comprehensive rotor codes and a 50-50 work share, the ERATO rotor blade design was developed, patented worldwide and tested on a rotor test rig and in the wind tunnel. Airbus Helicopters (then: Eurocopter) took up that design, optimized hover and forward flight high lift performance and prepared it for serial production, until it finally made it as the Blue EdgeTM rotor blade on the Airbus Helicopters H160 helicopter. The paper covers the history and technical achievements, wind tunnel test results and flight tests.
Item URL in elib: | https://elib.dlr.de/104300/ | ||||||||||||||||||||||||||||||||||||
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Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||||||||||||||||||
Title: | From ERATO Basic Research to the Blue Edge Rotor Blade | ||||||||||||||||||||||||||||||||||||
Authors: |
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Date: | May 2016 | ||||||||||||||||||||||||||||||||||||
Refereed publication: | Yes | ||||||||||||||||||||||||||||||||||||
Open Access: | No | ||||||||||||||||||||||||||||||||||||
Gold Open Access: | No | ||||||||||||||||||||||||||||||||||||
In SCOPUS: | No | ||||||||||||||||||||||||||||||||||||
In ISI Web of Science: | No | ||||||||||||||||||||||||||||||||||||
Page Range: | pp. 1-19 | ||||||||||||||||||||||||||||||||||||
Status: | Published | ||||||||||||||||||||||||||||||||||||
Keywords: | ERATO, Blue Edge, rotor noise, noise reduction, rotor blade design, wind tunnel test, flight test | ||||||||||||||||||||||||||||||||||||
Event Title: | AHS International 72nd Annual Forum & Technology Display | ||||||||||||||||||||||||||||||||||||
Event Location: | West Palm Beach, Florida, USA | ||||||||||||||||||||||||||||||||||||
Event Type: | international Conference | ||||||||||||||||||||||||||||||||||||
Event Start Date: | 17 May 2016 | ||||||||||||||||||||||||||||||||||||
Event End Date: | 19 May 2016 | ||||||||||||||||||||||||||||||||||||
Organizer: | American Helicopter Society (AHS) 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 German-Dutch Windtunnels | ||||||||||||||||||||||||||||||||||||
Deposited By: | van der Wall, Prof. Dr. Berend G. | ||||||||||||||||||||||||||||||||||||
Deposited On: | 23 May 2016 14:55 | ||||||||||||||||||||||||||||||||||||
Last Modified: | 24 Apr 2024 20:09 |
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