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Noise becomes an issue in wind energy debate

3706 Views 10 Replies 10 Participants Last post by  alfon
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Turbines will always create noise since their blade surfaces create drag and "friction" against the wind. Maybe a special friction reducing coating may reduce the noise. And I doubt that that family can hear the supposed "hum" because the generatiors don't "hum". They are hearing the low noise from the blades.
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