Actuator disk theory yields equation (a) above for turbine maximum power, however, actuator disk theory does not yield the rotor geometry without further design theory.

促动盘理论符合上述涡轮机最大功率的方程序(a)，然而，没有进一步设计理论的情况下促动盘理论不符合转予几何学。

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In the study of lateral-torsional coupling vibration of a geared rotor system, two coupling models are available, namely force coupling model and geometry coupling model.

在研究齿轮轴系的弯扭耦合振动时，有两种常用的耦合模型，即力耦合模型和几何耦合模型。

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First, free wake analysis was carried out to calculate the rotor wake geometry and the downwash around the engine jet space.

首先应用自由尾流分析技术来计算旋翼尾迹和发动机绕排流空间的洗流速度。

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