Abstract This paper serves as an introduction to air vehicle noise auralization and documents the current state-of-the-art. Auralization of flyover noise considers the source, path, and receiver as a part of a time marching simulation. Two approaches are offered; a time domain approach performs sound synthesis followed by propagation, while a frequency domain approach performs propagation followed by sound synthesis. Source noise description methods are offered for isolated and installed propulsion system and airframe noise sources for a wide range of air vehicles. Methods for synthesis of broadband, discrete tones, steady and unsteady periodic, and aperiodic sources are presented, and propagation methods and receiver considerations are discussed. Auralizations applied to vehicles ranging from large transport aircraft to small unmanned aerial systems demonstrate current capabilities.
Auralization of air vehicle noise for community noise assessment
CEAS Aeronautical Journal ; 10 , 1
2019
Article (Journal)
English
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