A prediction of helicopter rotor discrete frequency noise for three scale models using a new acoustics program
25th AIAA Aerospace Sciences Meeting ; 1987 ; Reno , NV , U.S.A.
1987-01-01
Conference paper
Electronic Resource
English
Acoustics of a Small-Scale Helicopter Rotor in Hover
NTIS | 1989
|The acoustics of a small-scale helicopter rotor in hover
NTRS | 1989
|