Blade element theory was used to calculate unsteady aerodynamic loads in linear and nonlinear regimes.

桨叶气动力计算采用时域非定常空气动力计算模型，包括非线性分离和动态失速的影响。

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These methods are compared, and the method based on blade element theory is selected in modeling of wind turbine rotor.

通过对这两种方法的比较，选用基于叶素理论的方法建立了风轮模型。

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Based on the traditional Momentum-Blade Element theory, an improved method of aerodynamic calculation about the horizontal axis wind turbine in yaw or in pitch-up is presented in this paper.

本文将动量-叶素理论推广应用于计算水平轴风车叶轮有侧偏角或上仰角时的气动力。

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