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 blade element-momentum theory, this paper studied the aerodynamic performance prediction model for small wind turbines.

基于叶素动量理论分析了小型风力机的气动性能分析模型，并提出了叶片的气动优化设计方法。

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Think of the wonderfully sinister suits Michael Fish designed for the adult authority figures of A Clockwork Orange, the sideways-in-reverse noir retro of Blade Runner or the Gaultier of The Fifth Element.

WSJ: We Can't Know What the Future Will Bring | Fashion