eBook File Helicopter Main Rotor Speed Effects On Far Field Acoustic Levels PDF

Language: en
Pages: 24

Helicopter Main-rotor Speed Effects on Far-field Acoustic Levels

Authors:

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Type: BOOK - Published: 1987 - Publisher:

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Language: en
Pages: 32

Helicopter Far-Field Acoustic Levels as a Function of Reduced Main-Rotor Advancing Blade-Tip Mach Number

Authors: National Aeronautics and Space Administration (NASA)

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Type: BOOK - Published: 2018-07-05 - Publisher: Createspace Independent Publishing Platform

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During the design of a helicopter, the weight, engine, rotor speed, and rotor geometry are given significant attention when considering the specific operations

Language: en
Pages: 110

Helicopter Impulsive Noise: Theoretical and Experimental Status

Authors: F. H. Schmitz

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Type: BOOK - Published: 1983 - Publisher:

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The theoretical and experimental status of helicopter impulsive noise is reviewed. The two major source mechanisms of helicopter impulsive noise are addressed: