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Resource Documents: Noise (602 items)

RSSNoise

Also see NWW press release on noise

Documents presented here are not the product of nor are they necessarily endorsed by National Wind Watch. These resource documents are provided 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.


Date added:  December 9, 2017
Australia, Health, Law, NoisePrint storyE-mail story

Summary of the Effect of the Medical and Scientific Evidence

Author:  White, Richard; and Bean, Katherine | Australia, Health, Law, Noise

On our analysis, a number of propositions emerge from the medical and scientific evidence. Some of those propositions had unanimous support by the relevant experts, and others had the support of most. The propositions which we understand have unanimous support from the relevant experts or are not contested include the following: Wind turbines emit sound, some of which is audible, and some of which is inaudible (infrasound); There are numerous recorded instances of WTN exceeding 40 dB(A) (which is a . . .

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Date added:  December 5, 2017
Noise, TechnologyPrint storyE-mail story

Consistent modelling of wind turbine noise propagation from source to receiver

Author:  Barlas, Emre; et al. | Noise, Technology

Abstract – The unsteady nature of wind turbine noise is a major reason for annoyance. The variation of far-field sound pressure levels is not only caused by the continuous change in wind turbine noise source levels but also by the unsteady flow field and the ground characteristics between the turbine and receiver. To take these phenomena into account, a consistent numerical technique that models the sound propagation from the source to receiver is developed. Large eddy simulation with an actuator . . .

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Date added:  December 1, 2017
Health, NoisePrint storyE-mail story

Why wind turbine sounds are annoying, and why it matters

Author:  Palmer, William | Health, Noise

Abstract – Almost without hesitation, most people can identify a sound that is annoying to them, whether it might be fingernails on a chalkboard, a barking dog late at night, a mosquito buzzing in their ear, or their own particular example. Classic acoustics texts identify key points related to annoyance. These “special characteristics of noise” include tonality, a non-random cyclical nature, pitch, roughness, rise time, and dominance of noise during sleeping hours when environmental noises diminish. A new source of . . .

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Date added:  November 20, 2017
Health, New Zealand, Noise, RegulationsPrint storyE-mail story

Expert Witness Statement of Sarah Laurie, Waubra Foundation

Author:  Laurie, Sarah | Health, New Zealand, Noise, Regulations

Requested by Stockyard Hill Landscape Guardians – I have used my previous clinical experience as a rural General Practitioner to interview individuals reporting adverse health effects from a range of industrial noise sources, and then used the information obtained together with my clinical insights and experience, to collaborate with trained health and acoustics professionals in Australia and internationally to plan and implement new multidisciplinary research methodologies and develop new acoustic instrumentation, to facilitate accurate measurement and recording of acoustic exposures, and . . .

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