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Resource Documents: Noise (685 items)


(noise inside entry vestibule at midnight, 3 1.5-MW GE turbines 1500 feet downwind, Bliss, N.Y.)

Also see NWW press release on noise

Unless indicated otherwise, documents presented here are not the product of nor are they necessarily endorsed by National Wind Watch. These resource documents are shared here to assist anyone wishing to research the issue of industrial wind power and the impacts of its development. The information should be evaluated by each reader to come to their own conclusions about the many areas of debate. • The copyrights reside with the sources indicated. As part of its noncommercial educational effort to present the environmental, social, scientific, and economic issues of large-scale wind power development to a global audience seeking such information, National Wind Watch endeavors to observe “fair use” as provided for in section 107 of U.S. Copyright Law and similar “fair dealing” provisions of the copyright laws of other nations.

Date added:  February 11, 2023
NoisePrint storyE-mail story

Benchmark characterisation and automated detection of wind farm noise amplitude modulation

Author:  Nguyen, Phuc; Hansen, Kristy; Lechat, Bastien; Catcheside, Peter; Zajamsek, Branko; and Hansen, Colin

[Abstract] Amplitude modulation (AM) is a characteristic feature of wind farm noise and has the potential to contribute to annoyance and sleep disturbance. Detection, quantification and characterisation of AM is relevant for regulatory bodies that seek to reduce adverse impacts of wind farm noise and for researchers and wind farm developers that aim to understand and account for this phenomenon. We here present an approach to detect and characterise AM in a comprehensive and long-term wind farm noise data set . . .

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Date added:  February 11, 2023
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Long-term quantification and characterisation of wind farm noise amplitude modulation

Author:  Nguyen, Phuc; Hansen, Kristy; Catcheside, Peter; Hansen, Colin; and Zajamsek, Branko

[Abstract] The large-scale expansion of wind farms has prompted community debate regarding adverse impacts of wind farm noise (WFN). One of the most annoying and potentially sleep disturbing components of WFN is amplitude modulation (AM). Here we quantified and characterised AM over one year using acoustical and meteorological data measured at three locations near three wind farms. We found that the diurnal variation of outdoor AM prevalence was substantial, whereby the nighttime prevalence was approximately 2 to 5 times higher . . .

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Date added:  November 5, 2022
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Ground motions induced by wind turbines

Author:  Nagel, Sven; et al.

Abstract – Wind flow transfers forces to the wind turbine’s rotor blades. These then set the rotor in motion. The hub and the gearbox, where present, transfer this rotational energy to the generator for conversion into electrical power. All the rotating components have significant mass and are located at the head of a slender, elastic load-bearing tower in which they induce dynamic effects. The resulting vibrations, generated at the upper end of the tower, are modified by the dynamic properties of . . .

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Date added:  October 15, 2022
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Pre-Sleep Cognitive Arousal and Sleep Misperception

Author:  Sharman, Rachel; et al.

Pre-Sleep Cognitive Arousal Is Negatively Associated with Sleep Misperception in Healthy Sleepers during Habitual Environmental Noise Exposure: An Actigraphy Study Abstract – Specific noises (e.g., traffic or wind turbines) can disrupt sleep and potentially cause a mismatch between subjective sleep and objective sleep (i.e., “sleep misperception”). Some individuals are likely to be more vulnerable than others to noise-related sleep disturbances, potentially as a result of increased pre-sleep cognitive arousal. The aim of the present study was to examine the relationships between . . .

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