Test Stand for Rotor Blade Coating
Rotor blades are exposed to severe environmental conditions: rain, hail, sand, salty sea water and dirt, which all lead to soiling and roughening of paint and coating systems on the leading edge of the blades. Temperature fluctuations and UV radiation further intensify these effects. Ultimately, this leads to material abrasion and crack formation which can cause lower wind turbine efficiency and higher noise emissions. To evaluate the performance of coating systems Fraunhofer IWES has developed a rain erosion test rig based on the rotating arm concept. BMWi, 10/2013 - 09/2016
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