Helicopter main-rotor speed effects on far-field acoustic levels [microform] / Arnold W. Mueller, Otis S. Childress, and Mark Hardesty.

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Bibliographic Details
Main Author:	Mueller, Arnold W.
Corporate Author:	Langley Research Center
Other Authors:	Childress, Otis S., Hardesty, Mark
Other title:	Helicopter main rotor speed effects on far-field acoustic levels.
Format:	Government Document Microfilm Book
Language:	English
Published:	Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [Springfield, Va.] : [National Technical Information Service, distributor], [1987]
Series:	NASA technical memorandum ; 100512.
Subjects:	Rotors (Helicopters) > Noise. Far fields. Helicopters. Noise intensity. Rotor speed.

Norlin Library - Government Information - Microform

Holdings details from Norlin Library - Government Information - Microform
Call Number:	NAS 1.15:100512
NAS 1.15:100512	Restricted Place a Hold