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Antonio Chiariello, Carmine Carandente Tartaglia, Maurizio Arena, Vincenzo Quaranta, Giovanni Bruno, Marika Belardo and Martina Castaldo
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Yu-Been Lee and Jae-Sang Park
This present study investigates the effect of blade tip configurations, such as the sweepback angle and anhedral angle, on the performance and hub vibratory loads for the lift-offset coaxial rotor of a 30,000-pound-class high-speed long-range utility hel...
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Gianpietro Di Rito, Romain Kovel, Marco Nardeschi, Nicola Borgarelli and Benedetto Luciano
The work deals with the model-based characterization of the failure transients of a fail-safe rotary EMA developed by Umbragroup (Italy) for the flap movables of the RACER helicopter-plane by Airbus Helicopters (France). Since the reference application r...
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Ye Yuan, Douglas Thomson and David Anderson
The tiltrotor has unique flight dynamics due to the aerodynamic interference characteristics. Multiple aerodynamics calculation approaches, such as the CFD method, are utilised to characterise this feature. The calculation process is usually time-consumi...
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Chang Wang, Minqi Huang, Xianmin Peng, Guichuan Zhang, Min Tang and Haowen Wang
The aerodynamic performance of a reduced-scale coaxial rigid rotor system in hover and steady forward flights was experimentally investigated to gain insights into the effect of interference between upper and lower rotors and the influences of the advanc...
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Antonio Chiariello, Salvatore Orlando, Pasquale Vitale, Mauro Linari, Raffaele Longobardi and Luigi Di Palma
In the framework of fast rotorcraft, smoothness and flushness of external aerodynamic surfaces present challenges for high-speed conditions, where aerodynamics is the driver of helicopter performance. For AIRBUS-RACER helicopter the main landing gear tra...
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Khiem Van Truong
To fulfill the objective of a predictive tool for rotorcraft, comprehensive analysis (CA) needs to be capable of providing both accurate and time-efficient predictions of rotor air loads and structural loads. The more recent methodology based on comprehe...
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