Kimur, Keita und Wilke, Gunther Andreas und Bailly, Joëlle und Tanabe, Yasutada (2022) JAXA-ONERA-DLR COOPERATION: Results from Rotor Optimization in Forward Flight. In: 48th European Rotorcraft Forum, ERF 2022. 48th European Rotorcraft Forum, 2022-09-06 - 2022-09-09, Winterthur, Switzerland. ISBN 978-171387029-6.
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Kurzfassung
This paper presents the results of a cooperative study by JAXA, DLR, and ONERA on the optimal design of helicopter blades for high-speed forward flight. Optimizations and simulations are carried out by each agency with their own analysis codes using both blade element theory-based methods and computational fluid dynamics. These results are cross-compared and show common trends identified for optimum rotor blades obtained by each agency and the mechanism for improving forward flight performance are discussed. From the effective drag distributions, it is confirmed that, in order to improve forward flight performance, it is first important to reduce drag on the advancing side, and that a blade with a relatively small twist angle and planforms with a smaller chord length at the root and tip compared to the mid-span section is generally a suitable blade.
elib-URL des Eintrags: | https://elib.dlr.de/188312/ | ||||||||||||||||||||
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Dokumentart: | Konferenzbeitrag (Vorlesung) | ||||||||||||||||||||
Zusätzliche Informationen: | JOD-ROC | ||||||||||||||||||||
Titel: | JAXA-ONERA-DLR COOPERATION: Results from Rotor Optimization in Forward Flight | ||||||||||||||||||||
Autoren: |
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Datum: | 9 September 2022 | ||||||||||||||||||||
Erschienen in: | 48th European Rotorcraft Forum, ERF 2022 | ||||||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||||||
Open Access: | Ja | ||||||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||||||
In ISI Web of Science: | Nein | ||||||||||||||||||||
ISBN: | 978-171387029-6 | ||||||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||||||
Stichwörter: | HARTII, rotor blade optimization, CFD comparison, forward filght | ||||||||||||||||||||
Veranstaltungstitel: | 48th European Rotorcraft Forum | ||||||||||||||||||||
Veranstaltungsort: | Winterthur, Switzerland | ||||||||||||||||||||
Veranstaltungsart: | internationale Konferenz | ||||||||||||||||||||
Veranstaltungsbeginn: | 6 September 2022 | ||||||||||||||||||||
Veranstaltungsende: | 9 September 2022 | ||||||||||||||||||||
Veranstalter : | ZHAW | ||||||||||||||||||||
HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
HGF - Programm: | Luftfahrt | ||||||||||||||||||||
HGF - Programmthema: | Effizientes Luftfahrzeug | ||||||||||||||||||||
DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||
DLR - Forschungsgebiet: | L EV - Effizientes Luftfahrzeug | ||||||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | L - Virtueller Hubschrauber und Validierung | ||||||||||||||||||||
Standort: | Braunschweig | ||||||||||||||||||||
Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > Hubschrauber, BS | ||||||||||||||||||||
Hinterlegt von: | Wilke, Gunther Andreas | ||||||||||||||||||||
Hinterlegt am: | 04 Nov 2022 09:27 | ||||||||||||||||||||
Letzte Änderung: | 31 Okt 2024 09:46 |
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