... coefficient of angularity 角度系数; 角形系数; 系数角形 flow angularity 洗流 grain angularity 颗粒棱角性 ...
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研究了直升机旋翼下洗流场的相似性。
The similarity of rotor-wing down-wash flow field is studied.
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。
First, free wake analysis was carried out to calculate the rotor wake geometry and the downwash around the engine jet space.
楔塞结构的其他内在优点是只有当阀门开启或关闭时才会消耗清洗流体介质。
Another benefit inherent in the Wedgeplug design is that the purge media is only consumed when the valve is being opened or closed.
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