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Chin. Phys. B, 2016, Vol. 25(12): 124317    DOI: 10.1088/1674-1056/25/12/124317
SPECIAL TOPIC—Acoustics Prev   Next  

Model/data comparison of typhoon-generated noise

Jing-Yan Wang(王璟琰), Feng-Hua Li(李风华)
State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China
Abstract  

Ocean noise recorded during a typhoon can be used to monitor the typhoon and investigate the mechanism of the wind-generated noise. An analytical expression for the typhoon-generated noise intensity is derived as a function of wind speed. A“bi-peak”structure was observed in an experiment during which typhoon-generated noise was recorded. Wind speed dependence and frequency dependence were also observed in the frequency range of 100 Hz-1000 Hz. The model/data comparison shows that results of the present model of 500 Hz and 1000 Hz are in reasonable agreement with the experimental data, and the typhoon-generated noise intensity has a dependence on frequency and a power-law dependence on wind speed.

Keywords:  typhoon-generated noise model      bi-peak structure      deep water  
Received:  13 September 2016      Revised:  15 October 2016      Accepted manuscript online: 
PACS:  43.30.Nb (Noise in water; generation mechanisms and characteristics of the field)  
  43.30.Pc (Ocean parameter estimation by acoustical methods; remote sensing; imaging, inversion, acoustic tomography)  
  43.50.Rq (Environmental noise, measurement, analysis, statistical characteristics)  
Fund: 

Project supported by the National Natural Science Foundation of China (Grant Nos. 11434012, 41561144006, and 11125420).

Corresponding Authors:  Feng-Hua Li     E-mail:  lfh@mail.ioa.ac.cn

Cite this article: 

Jing-Yan Wang(王璟琰), Feng-Hua Li(李风华) Model/data comparison of typhoon-generated noise 2016 Chin. Phys. B 25 124317

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