这是多级叶轮气流系统离散性频率声学特性的一个基衣公式。
It is a basic formula of acoustic characteristics in discrete frequency of the blade in which the gas flowing has many classes.
对离心式多级叶轮风机进行振动频谱分析，认为叶轮存在动不平衡，造成风机振动超标。
The vibrating spectrum analysis was done to centrifugal multi-level impeller blower, and found that the impeller has dynamic unbalance, so that the vibration of blower is to exceed the standard.
目前，多级叶轮机械的三维流动计算绝大多数采用了绝对与相对定常模型来模拟静动叶轮。
At present, most of the 3d flow calculation for multistage turbomachinery are based on steady relative flow model.
这一系列包括带有闭合径向叶轮的耐磨损水平或竖直多级离心泵。
This series contains robust abrasion-proof horizontal or vertical multistage centrifugal pumps with closed radial impellers.
介绍了叶轮机虚拟样机技术、多级轴流压气机数值仿真和叶轮机与发动机一体化设计。
In this paper, virtual prototype technology of turbo-machinery, multistage axial flow compressor numerical simulation, and integrated design of turbo-machinery and engine have been introduced.
介绍了叶轮机虚拟样机技术、多级轴流压气机数值仿真和叶轮机与发动机一体化设计。
In this paper, virtual prototype technology of turbo-machinery, multistage axial flow compressor numerical simulation, and integrated design of turbo-machinery and engine have been introduced.
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