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| Color contours account for the creation of mean kinetic energy along the spanwise direction. Positive values (red) indicate a turbulent kinetic energy flux in the negative spanwise direction, while negative (blue) values denote a flux in the positive spanwise direction. For both set of simulations, by increasing the tip speed ratio, the entrainment of mean kinetic energy increases for a given streamwise distance from the rotor disk. |
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A team of researchers from The University of Texas at Dallas (UT Dallas) has developed a new way to extract more power from the wind. This approach has the potential to increase wind power generation significantly with a consequent increase in revenue. Numerical simulations performed at the Texas Advanced Computing Center (TACC) indicate potential increases of up to six to seven percent.
According to the researchers, a one percent improvement applied to all wind farms in the nation would generate the equivalent of $100 million in value. This new method, therefore, has the potential to generate $600 million in added wind power nationwide.
The team reported their findings in Wind Energy in December 2017 and Renewable Energy in December 2017.
In the branch of physics known as fluid dynamics, a common way to model turbulence is through large eddy simulations. Several years ago, Stefano Leonardi and his research team created models that can integrate physical behavior across a wide range of length scales — from turbine rotors 100 meters long, to centimeters-thick tips of a blades — and predict wind power with accuracy using supercomputers.
New Energy Control Strategy Helps Reap Maximum Power from Wind Farms
Aaron Dubrow, Texas Advanced Computing Center, University of Texas, Dallas
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