促动盘理论把越过盘时的压力降与尾流尺寸的变化和能从风中获取的能量联系在一起。

Actuator disk theory relates the pressure drop across the disk to the change in wake size and the energy which can be extracted from the wind.

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当风力在逆风侧冲击促动盘时，那里的压力上升，并且风力从盘转向离开，引起盘下游的较大尾流。

As the wind strikes the actuator disk on the upwind side, the pressure rises there, and the wind is deflected away from the disk, causing a large wake downstream of the disk.

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水平轴风力涡轮机(HAWT)的最简单模型是：其涡轮机转子由从风力中获取能量的促动盘代替。

The simplest model of a horizontal axis wind turbine (HAWT) is one in which the turbine rotor is replaced by an actuator disk which removes energy from the wind.

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