Experimental investigation of noise generated by submerged circular cylinder

The characteristics of flow-induced noise generated around a circular cylinder have been well established theoretically and experimentally, regardless of the medium. However, the predicted results have not been proven for submerged cylinders; thus, the acoustic characteristics are unknown. In this e...

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Bibliographic Details
Published in:Noise control engineering journal 2017-07, Vol.65 (4), p.288-294
Main Authors: Choi, Woen-sug, Choi, Yoseb, Hong, Suk-Yoon, Song, Jee-Hun, KwonSong, Hyun-Wung, Seol, Hanshin
Format: Article
Language:English
Online Access:Get full text
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Summary:The characteristics of flow-induced noise generated around a circular cylinder have been well established theoretically and experimentally, regardless of the medium. However, the predicted results have not been proven for submerged cylinders; thus, the acoustic characteristics are unknown. In this experimental study, a flow-induced noise due to vortex shedding, which is classified as a singing noise, is recorded at several velocities by placing a cylinder in a cavitation tunnel. The results helped confirm the validity of the theoretical predictions for underwater applications. An equation is developed to predict the flow-induced noise generated by the submerged cylinder.
ISSN:0736-2501
DOI:10.3397/1/376545