Resource Documents by David, Antoine
Bullet points for Draft Wind Farm State Code acoustics review
Acoustics problem[s] associated with wind-farms are due to the infrasonic and low frequencies harmonics and their interaction between several turbines. Those generate annoyances and to higher intensities health effects. By using both a time average and frequency weighting, by definition, all those harmonics disappear and as such no assessments ofthe impact of those harmonics can be made. To assess those harmonics, it is necessary to use unfiltered data and no time average. The low frequencies and infrasmmd effects cannot be . . . Complete article »
David, Antoine; and Thorne, Bob
Underpinning Methodology to Derive Stand-Off Distances from a Wind Farm
At present, the scientific basis for setting the stand-off distance threshold is unclear, resulting in diverse approaches nationally and internationally. Annoyance effects from wind turbine for the non-infrasonic component have been published. Health effects including nausea, dizziness, and headaches have been reported and assumptions for linking those effects to the infrasonic component are being increasingly suggested. The noise spectra generated by a wind farm has two components; an infrasonic component and a non-infrasonic component. For all the components, the sound . . . Complete article »
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