The finite element method is used for the three-dimensional flow field calculation in designing centrifugal pump impellers.
为进行离心泵叶轮的三元设计，用有限元方法解决了离心泵叶轮三元流场的计算问题。
In this paper, an organic combination of surface molding and numerical calculation is applied to optimization design for centrifugal pump impellers.
本文将曲面造型与数值计算有机的结合在一起应用到离心泵叶轮的优化设计中。
In hydraulic transmission system, turning moment and rotational speeds of pump impellers and turbines have to be kept steady in order for the normal operation of the system.
在液力传动系统中，泵轮和涡轮的转矩及转速应保持稳定才能使系统正常运行。
Experimental study on moving trajectories of solid particles and their motion pattern in centrifugal pump impellers has been carried out by using high speed photograph technique.
利用高速摄影技术对离心泵叶轮中固体颗粒运动轨迹及其规律进行了试验研究。
Pump casings, impellers and mechanical seals of the two types can be exchanged in application . Therefore; they are welcome in industries such as pesticide, electronics and paper manufacturing etc.
两种型号的泵壳、叶轮、机封等均可互换使用，深受农药、电子、造纸等行业的欢迎。
The defects at the welding areas of blades of working impellers of primary pump connecting the cover plate have been found during pre-service inspection of Unit 1 at JNPC.
发现主泵工作叶轮的叶片端面与盖板连接处的焊接区域有缺陷。
Based on the low-specific speed centrifugal pump model of IS 50-32-160, two impellers are designed with and without splitter blades.
基于低比速离心泵is 50 - 32 - 160模型，对有、无分流叶片的设计方案全流场进行了数值模拟和对比分析。
Mainly by the impellers, pump body and pump cover composition.
首要由叶轮、泵体以及泵盖构成。
Mainly by the impellers, pump body and pump cover composition.
首要由叶轮、泵体以及泵盖构成。
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