Full-scale demonstration of higher harmonic control for noise and vibration reduction on the XV-15 rotor

Journal of the American Helicopter Society

Volumn 46, Issue 3, 2001, Pages 182-191

  Nguyen, K ^a   Betzina, M ^a   Kitaplioglu, C ^a  

^a NASA AMES RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC VARIABLES CONTROL; FLIGHT DYNAMICS; HARMONIC ANALYSIS; HELICOPTERS; VIBRATION CONTROL;

HIGHER HARMONIC CONTROL (HHC);

ROTORS;

EID: 0035389776     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/JAHS.46.182     Document Type: Article

References (23)

1. Civil tiltrotor mission and application, Phase II: The commercial passenger market
2. Application of higher harmonic control to hingeless rotor systems
3. Helicopter impulsive noise: Theoretical and experimental status
4. ERATO - An ONERA-DLR cooperative programme on aeroacoustic rotor optimisation
5. XV-15 tiltrotor low noise approach operations
6. The effects of higher harmonic control on blade-vortex interaction noise and vibration
7. A higher harmonic control test in the DNW to reduce impulsive BVI noise
8. Key results from a higher Harmonic Control Aeroacoustic Rotor Test (HART) in the German-Dutch wind tunnel
9. Generalized higher harmonic control - Ten years of aerospatiale experience
10. On developing and flight testing a higher harmonic control system
11. Flight demonstration of higher harmonic control on the S-76 rotor
12. Higher harmonic control: Flight test on a SA 349 research gazelle
13. Wind tunnel results showing rotor vibratory loads reduction using higher harmonic blade pitch
14. Higher harmonic control: Wind tunnel demonstration of fully effective vibratory hub force suppression
15. Tiltrotor vibration reduction through higher harmonic control
16. Acoustic results from a full-scale wind tunnel test evaluating individual blade control
17. The effect of individual blade pitch control on BVI noise - Comparison of flight test and simulation results
18. Control of BVI noise using an active trailing edge flap
19. Blade-vortex interaction noise of an isolated full-scale XV-15 tilt-rotor
20. Comparison of XV-15 full-scale wind tunnel and in-flight blade-vortex interaction noise
21. Full-scale wind tunnel test of a helicopter Individual Blade Control (IBC) system
22. Flows measurements of an isolated model tilt rotor