Aeroacoustics of the Vortex Ring

[+] Author and Article Information
V. F. Kopiev

Central Aerohydrodynamic Institute (TsAGI), Moscow Branch, Acoustic Division, TsAGI, 17 Radio str., Moscow 107005, Russia

Appl. Mech. Rev 53(7), 195-205 (Jul 01, 2000) (11 pages) doi:10.1115/1.3097348 History: Online April 09, 2009


A review of recent achievements in the investigation of mechanisms of aerodynamic sound generation by turbulent vortices is presented. The results obtained, and their agreement, permit understanding of the mechanism of sound generation by a 3D vortex, as well as the formulation of a new concept of sound radiation by vortex structures. It appears that the noise of even one vortex, which seems at first to be a rather simple oscillating system, is in fact a highly complex random process, with quite definite peculiarities that can be recorded experimentally and predicted theoretically. This review article contains 60 references.

Copyright © 2000 by American Society of Mechanical Engineers
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