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Experimental investigation of noise generated by submerged circular cylinder
- Issue Date
- 1-7월-2017
- Publisher
- INST NOISE CONTROL ENGINEERING
- Keywords
- Flow Noise; Broadband Noise
- Citation
- NOISE CONTROL ENGINEERING JOURNAL, v.65, no.4, pp 288 - 294
- Pages
- 7
- Journal Title
- NOISE CONTROL ENGINEERING JOURNAL
- Volume
- 65
- Number
- 4
- Start Page
- 288
- End Page
- 294
- ISSN
- 0736-2501
- Abstract
- 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. (C) 2017 Institute of Noise Control Engineering.
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