Organised by Dick Bowdler and Andy McKenzie
ETSU-R-97, the wind turbine noise assessment method used in the UK for planning purposes, has remained unchanged since 2006. It has, however, been heavily criticised, by some, throughout its life. Identified shortcomings on consistency of approach have been tackled through the publication of good practice guidelines, informal articles and investigations into amplitude modulation (AM). Nothing has changed on the basic methodology it applies or the ‘limits’ based approach it advocates including the actual limits themselves.
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