Federal and State Perspectives on environmental review of wind energy and wildlife
Video:Federal and State Perspectives on environmental review of wind energy and wildlife
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Why one of the wind turbine blades is painted black?
Painting blades black can reduce bird mortality by up to 72%, according to a 10-year study conducted at a 68 MW wind farm in the Norwegian archipelago of Smola. The idea is to paint one of the three blades black to make the system more visible and create more contrast so that birds can easily…
Wind Turbine Blade Forces
The blades of a wind turbine are affected by four forces: drag, lift, centrifugal, and gravitational forces. Drag Force Drag forces are caused by the air molecules that hit the surface of the blade facing the wind. A major component of the drag force acts in the direction that is parallel to the main shaft…