Resource Documents by Bredesen, Rolv
Bredesen, Rolv
Ice throw from wind turbines: Assessment and risk management
[excerpts] What is in-cloud icing? If temperatures are below 0°C and the structure is located inside a cloud (above cloud base height) we get in-cloud icing. The ice accretion rates increases with the relative windspeed and the moisture content of the cloud. Because the blade of a wind turbine moves fast there is an elevated hazard associated with ice throw and fall from turbines located in icing conditions. How far can the ice be thrown? Maximum throw distance (screening) : 1.5 . . . Complete article »
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