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Wind Turbine Aerodynamics

An increasing portion of wind turbines are installed in cold climate, e.g, northern Sweden. One must then consider ice-build-up on the turbine blades alters the shape of the blades, which in turn affects the aerodynamics of the turbine.

Knowledge on how ice accretion influences the power output is of importance when assessing a potential site for wind turbines.

By using computational fluid dynamics (CFD) simulations we can predict the ice build-up on sections of a turbine blade. Further simulations o gives the aerodynamic performance of the iced blades as well as the acoustic sources. Gathering this information for a whole blade one can predict the decrease in power output from the turbines as well as the alterations in noise emissions from the blades. Together with our collaboration partners at SMHI and Uppsala University we are aiming at building a complete model chain from meteorological conditions via detailed CFD to full turbine simulations with the aim of giving a better prediction of production losses for a given meteorological condition.

Contact

Magnus Genrup
magnus [dot] genrup [at] energy [dot] lth [dot] se (magnus[dot]genrup[at]energy[dot]lth[dot]se)
+46 46 222 92 77