海上风电场运营期水下噪声测量及特性初步分析

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Abstract Underwater noise from operation of offshore wind farms has impacted on the marine environment. Underwater noise was recorded from one 3.0MW and one 5.0 MW wind turbine in shang hai during normal operation phase in this paper. At last, a normal mode propagation model was designed to predict noise distribution of wind turbines. The results of data processing show noise during operation are much lower intensity, and generally dominated by a series of pure tones below 800 Hz. The dominating frequencies become obvious at high wind speed. The sound intensity increase with wind speed, but have not significant difference with the power of wind turbines. In addition, the frequency content of noise seem to change with power of wind turbines, wind speed and foundation type. The zones of noise impact on marine environment are small during operation of wind farms. The results of paper can provide technical reference for environmental impact assessment of offshore wind farms and have great value in engineering application.

Key words： off-shore wind farm underwater noise noise measurement operation phase

Received: 08 January 2015 Published: 15 June 2016

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	Articles by authors
	Niu Fuqiang1
	2
	Yang Yanming1
	Xu Xiaomei2
	Zhou Zaiming1
	Huang Yuekun1

Cite this article:

Niu Fuqiang1,2,Yang Yanming1, et al. Measurements and analysis of underwater noise from operation of offshore wind farms[J]. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(12): 215-220.

URL:

http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2016/V35/I12/215

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