Localized, non-harmonic active flap motions for low frequency in-plane rotor noise reduction

Annual Forum Proceedings - AHS International

Volumn 1, Issue , 2012, Pages 8-23

  Sim, Ben W ^a   Potsdam, Mark ^a   Kitaplioglu, Cahit ^a   LeMasurier, Philip ^b   Lorber, Peter ^b   Andrews, Joseph ^b  

^a NASA AMES RESEARCH CENTER   (United States)

^b SIKORSKY AIRCRAFT CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVE FLAPS; ANECHOIC WIND TUNNELS; CLOSED-LOOP; FLAP MOTIONS; LOW FREQUENCY; MICROPHONE ARRAYS; NEAR-FIELD; OPERATIONAL FEASIBILITY; ROTOR NOISE REDUCTION; ROTOR PERFORMANCE; VIBRATION LEVEL;

ACOUSTIC NOISE MEASUREMENT; HELICOPTERS; NOISE ABATEMENT; SUBSONIC AERODYNAMICS;

HARMONIC ANALYSIS;

EID: 84864883945     PISSN: 15522938     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (15)

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