Abstract
The blade element momentum theory is lack of estimating the wind turbine performance changes caused by rotation. The paper analysis the impact of airfoil flow by centrifugal force and the Coriolis force which generated by the rotating blades and defines the airfoil performance at separated changing flow region by numerical simulation. This paper calculates the aerodynamic performance with centrifugal correction model using a commercial wind turbine as an example, The numerical model and results are verified by comparing with the actual measurement. The results show that the correction model considered the rotation effect to estimate the wind turbine power is more accurate and closer to the measured value.
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