Helicopter main-rotor speed effects on far-field acoustic levels

An edition of Helicopter main-rotor speed effects on far-field acoustic levels (1987)

Helicopter main-rotor speed effects on far-field acoustic levels

By Arnold W. Mueller

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Publish Date

1987

Publisher

National Aeronautics and Space Administration, Langley Research Center, [Springfield, Va.,National Technical Information Service, distributor

Language

eng

Pages

Description:

subjects: Helicopters, Noise intensity, Noise, Far fields, Rotors (Helicopters), Rotor speed