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Resource Documents by Garrelts, R.L.

Kelley, N.D.; McKenna, H.E.; Hemphill, R.R.; Etter, C.L.; Garrelts, R.L.; and Linn, N.C.
Acoustic Noise Associated with the MOD-1 Wind Turbine: Its Source, Impact, and Control
This report summarizes extensive research by staff of the Solar Energy Research Institute and its subcontractors conducted to establish the origin and possible amelioration of acoustic disturbances associated with the operation of the DOE/NASA MOD-1 wind turbine installed near Boone, North Carolina. Results have shown that the most probable source of this acoustic annoyance was the transient, unsteady aerodynamic lift imparted to the turbine blades as they passed through the lee wakes of the large cylindrical tower supports. Nearby residents . . . Complete article »

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