A turbine aligned to hub-height winds might experience suboptimal or superoptimal power production, depending on the changes in the vertical profile of wind, also known as shear. However, both wind speed and wind direction can change with height across the area swept by the turbine blades. This phenomenon can significantly influence the efficiency and output of wind turbines, making it a central consideration in wind farm design and operation. Notably, the correlation between the two actuator disc model predictions and the SCADA data significantly decreases when the models do not have the benefit of uences the power. . In this study, we explore how the change in wind direction with height (direction wind shear), a site-differing factor between conflicting studies, and speed shear affect wind turbine performance. It's not a uniform phenomenon; it can. .
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