Various parameters of helicopter rotor noise were considered. Impulsive noise, flow regions of a helicopter rotor, noise prediction, aspect ratio, blade tip shape and speed, and blade-vortex interaction noise were among the topics addressed. Recommendations were also given.
High-speed noise of helicopter rotors
1982-07-01
Sonstige
Keine Angabe
Englisch
Supersonic quadrupole noise theory for high-speed helicopter rotors
Tema Archiv | 1998
|Supersonic quadrupole noise theory for high-speed helicopter rotors
Online Contents | 1998
|Thickness Noise of Helicopter Rotors at High Tip Speeds
NTRS | 1975
|Thickness Noise of Helicopter Rotors a High Tip Speeds
NTIS | 2004
|