Performance losses due to ice accretion for a 5 MW wind turbine

Abstract

A numerical study of power performance losses due to ice accretion on a large horizontal axis wind turbine blade has been carried out using computational fluid dynamics (CFD) and blade element momentum (BEM) calculations for rime ice conditions. The computed aerodynamic coefficients for the normal and iced blades from the CFD calculations were used together with the BEM method to calculate the torque, power and C p curves of the wind turbine for both normal and icing conditions. The results are compared with the published data. It is shown that icing results in a reduced power production from the turbine and that changing the turbine controller could improve the power production with iced blades. Copyright

Aerodynamic Performance of the NREL S826 Airfoil in Icing Conditions

“…In addition, cold climate areas are often sparsely populated and therefore less sensitive to visual-and noise pollution. However, wind farms located at high latitudes or close to mountains can be exposed to 20 frequent icing events in cold periods (Tammelin and Säntti, 1998).…”

“…al (Homola et al, 2011) that a 17% lift reduction due to leading edge rime ice accretion, (Seifert and Richard, 1998) and Laakso and Peltola (Laakso and Peltola, 2005) who all found 20-30% power curve reduction from resembling ice accretions. The current study shows that mixed ice causes more severe performance losses than rime-and glaze ice, leading to the assumption that less streamlined ice shapes can reduce power output even more.…”

Atmospheric Icing Effects of S816 Airfoil on a 600 kW Wind Turbine Performance

“…Further, Homola et al [14] studied the dependence of atmospheric icing on the temperature and wind turbine size by performing the numerical simulations of ice accumulation on ve di erent wind turbine blade pro les at four di erent temperatures. Homola et al [15] also carried out a numerical study of power performance losses due to the ice accretion on a large HAWT (NREL 5 MW) using CFD and BEM for rime ice conditions. Fu and Farzaneh [16] simulated the rimeice accretion process on a HAWT (NREL VI) operating under icing conditions based on a twophase ow solution by means of a commercial CFD program.…”

Experimental Investigation on the Aerodynamic Performance of NLF-0414 Iced-Airfoil

“…These locations, however, are inherently susceptible to atmospheric icing events during the cold months of the year. Performance degradation of horizontal axis wind turbines (HAWTs) due to ice accretion has been investigated on a number of machines at different locations (Bose 1992;Pryor 2010;Barber et al, 2011;Han et al, 2012;Homola et al, 2012;Lamraoui et al, 2014;Li et al, 2014).…”

“…Homola et al(2010) studied the dependence of atmospheric icing on temperature and wind turbine size by performing numerical simulations of ice accumulation on five different wind turbine blade profiles at four different temperatures. Homola et al (2012) also carried out a numerical study of power performance losses due to ice accretion on a large horizontal axis wind turbine using computational fluid dynamics (CFD) and blade element momentum (BEM) calculations for rime ice conditions. Li et al (2014) experimentally investigated the characteristics of surface icing on the wind turbine blades with the NACA7715 airfoil.…”