To ensure that GE’s wind blades do not pose noise issues today, airfoil level acoustic measurements are performed in wind tunnels, field measurements are done to validate acceptable noise levels, and noise-reducing operating modes are implemented in the control system. Better modeling will help maintain the current low noise levels while boosting output.“Sandia and other DOE national laboratories are using high-performance computing resources to tackle complex design problems in wind energy, such as reducing turbine blade noise to achieve significant reductions in cost-of-energy. Sandia helped GE gain valuable insights into blade noise mechanisms and how design engineers can improve their models,” said Matt Barone, of Sandia’s Aerosciences Department, formerly of the Wind Energy Technologies Department.
Transition Of Flow To Turbulence On A Wind-turbine Airfoil. Displayed Are Isosurfaces Of Vorticity From A Large Eddy Simulation (LES).
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