Many good small scale facilities are available for rotorcraft noise research. Ames 40 x 80/80 x 120 probably is a good large scale facility for acoustic research of large or small rotorcraft, but the acoustic quality of the modified facility was not yet measured. DNW is probably the best aeroacoustic facility, but may be expensive. Other parameters to consider besides background noise are turbulent level and scale, restructed measurement field, local reflections, and speed range. Advanced measurement techniques improve data quality from any facility.
A comparison of wind tunnels suitable for rotorcraft noise studies
1982-07-01
Sonstige
Keine Angabe
Englisch
British Library Online Contents | 1997
|Tema Archiv | 1985
|British Library Conference Proceedings | 1998
|Aerodynamic noise in supersonic wind tunnels
NTRS | 1959
|AIAA | 1980
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