Measurements in support of wind farm simulations and power forecasts: The Crop/Wind-energy Experiments (CWEX)

Date
2014-01-01
Authors
Gallus, William
Sharma, Anupam
Takle, Eugene
Rajewski, Daniel
Lundquist, J.
Gallus, William
Sharma, Anupam
Takle, Eugene
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Aerospace Engineering
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Agronomy
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Aerospace EngineeringAgronomyGeological and Atmospheric Sciences
Abstract

The Midwest US currently is experiencing a large build-out of wind turbines in areas where the nocturnal low-level jet (NLLJ) is a prominent and frequently occurring feature. We describe shear characteristics of the NLLJ and their influence on wind power production. Reports of individual turbine power production and concurrent measurements of near-surface thermal stratification are used to turbine wake interactions and turbine interaction with the overlying atmosphere. Progress in forecasting conditions such as wind ramps and shear are discussed. Finally, the pressure perturbation introduced by a line of turbines produces surface flow convergence that may create a vertical velocity and hence a mesoscale influence on cloud formation by a wind farm.

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This is an article from Journal of Physics: Conference Series, 524 (2014): 012174, doi: 10.1088/1742-6596/524/1/012174. Posted with permission.

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