This is the fourth of seven sub-volumes of Volume VII containing spectrographs of the model helicopter hub/rotor wake as it was modified by various aerodynamic devices. This sub-volume deals with the effects of various open hub caps. Open caps have parallel undersides and uppersides. (Author)
Interactional Aerodynamics of the Single Rotor Helicopter Configuration. Volume VII-D. Frequency Analyses of Wake Split-Film Data, Open Hubcaps
1978
401 pages
Report
No indication
English
Aircraft , Aerodynamics , Helicopter rotors , Aerodynamic loading , Aerodynamic configurations , Helicopters , Wake , Flow fields , Spectrographs , Frequency , Velocity , Interactions , Tails(Aircraft) , Pressure distribution , Pressure transducers , Engine nacelles , Hubs , Air ejectors , Fairings , Tactical aircraft , Transport aircraft , Utility aircraft , UTTAS(Utility Tactical Transport Aircraft System) , H-61 aircraft , YUH-61A aircraft