propeller characteristic curve 螺旋桨特性曲线 propeller characteristic 螺桨特性; 螺旋桨特性 screw-propeller 螺旋桨 .
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... 螺桨盘面积 area of propeller disc 螺桨特性 propeller characteristic 螺桨推进船 screw propeller ship ...
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open-water propeller characteristic chart 螺旋桨敞水特性曲线
propeller characteristic curve 螺旋桨特性曲线
Propeller Characteristic Curves 螺桨性能曲线
characteristic curve of propeller 推进器特性曲线 ; 螺旋桨特性曲线
So there is much important significance to deeply understanding the characteristic of electric propulsion device by studying the performance of a propeller load.
因此研究螺旋桨负载特性对于深入认识电力推进装置的特点有很重要的意义。
First, the generation mechanism, components and frequency characteristic of radiated noise of naval ships are studied. There exists periodical modulation for the amplitude of propeller noise.
首先讨论了舰船辐射噪声的产生机理、构成和频率特性，指出螺旋桨噪声的振幅存在周期性调制。
Viscous flow around a duct propeller under open water condition was simulated by solving RANS equations, and the characteristic of the flow field was described.
采用求解RANS方程的方法对某导管桨敞水流场进行数值模拟，并对导管桨流场特点进行分析。
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