fundamental blade passage frequency 桨叶基频
rotor blade passage 转子叶片通道
turbulent flow in blade passage 混流式水轮机
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
它通常出现在射频，叶片通过频率和整流子刷频率，其高次谐波。
Relative eddy is a special relative flow within centrifugal blade passage, which is of prime importance in flow study of pumps.
轴向旋涡流动是离心叶轮叶片之间一种特殊的相对流动，其流动规律是离心叶轮正反问题研究的重要基础。
Some of new distributing features of the turbulent flow in the blade passage were found out, and a progress of the vibrating analysis methodology of the blades was achieved.
研究成果在叶道湍流及叶片流激振动机理方面具有新的发现和取得进展。
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