Sound from modern wind turbines is predominantly aerodynamic noise with most audible sound energy at medium and higher frequencies. Wind turbine sound is relatively annoying, probably due to acoustical characteristics, such as amplitude modulation, that increase the risk for annoyance and disturbed sleep. Other health effects, all resembling stress symptoms to at least some degree, are attributed to infrasound, but this is not supported by existing knowledge of noise or noise annoyance and the claims lack substantiation. There is certainly room for the reduction of noise and noise annoyance, perhaps at the expense of maximum energy yield.
Frits van den Berg
GGD AMSTERDAM Public Health Service, Environmental Health, Amsterdam, The Netherlands
Proceedings of Acoustics 2013 – Victor Harbor, Australia, 17-20 November 2013
Download original document: “Wind turbine noise: an overview of acoustical performance and effects on residents”
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