The interaction between the power generating surfaces and the rest of the structure can also be analyzed. Pressure distribution over the blades is calculated and torque (and thus power) curves are constructed. Using high-fidelity computational fluid dynamics (CFD) software with rotation simulation, the full power curve of the wind turbine can be created. Sandia is actively developing its computational noise prediction capability in order to increase understanding of blade aeroacoustics and enable quieter blade designs.Based on Blade Element Momentum (BEM) theory, DARcorporation has developed and customized in-house software for initial aerodynamic design of the wind turbine power generating surfaces to handle any type of wind turbine configuration and blade shape. This effort will result in a reduction in design time and lead to better and more efficient designs for future wind-turbine hardware.Īeroacoustic noise sources from a wind turbine not only often dominate over other turbine noise sources, they also often limit the tip speed of the rotor, thereby increasing the required torque for a given amount of power. A major focus is being placed on better integration of the structural analysis and aeroelastic codes. The validity of these tools is demonstrated by continuing a comprehensive design, analysis, build, test, and validation program.
These analytical capabilities may be used to guide the design of new blades as well as to verify/improve the design of existing blades. Sandia maintains ongoing efforts to develop computational tools to significantly improve the structural and aeroelastic analysis capability available to the wind industry. Sandia Energy > Programs > Renewable Energy > Wind Energy > Wind Software Downloads
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