一般的离心泵叶轮多为此类。
一般的离心泵叶轮多为此类。
介绍真空泵叶轮的铸造工艺。
The foundry method of a large vacuum impeller was introduced.
对低比转速离心泵叶轮的水力设计具有一定的指导意义。
Results of this thesis provide guiding significance to waterpower design of impeller of the low specific speed centrifugal pump.
以泵叶轮材料选择为例，证明了该方法的可行性和有效性。
Finally, taking impeller material selection as an example, the method is proved feasible and effective.
通过分析优选，认为泵叶轮车削比较适合该管道的实际情况。
Through analysis and optimization, it is considered that pump impeller turning is suitable for the actual situation of the pipeline.
首先采用传统的升力法对给定参数的轴流泵叶轮进行了设计。
First the traditional lifting design method was applied to design the axial flow pump impeller on given flow parameters.
本文为提高离心泵叶轮的设计质量及效率提供了一个新的方法。
CAD method for improving design quality and efficiency of centrifugal pump impeller is provided.
采用边界元法对螺旋离心泵叶轮中的三维势流进行了数值计算。
The three-dimensional potential flow inside the impeller of a screw centrifugal pump was analysed by the boundary element method.
代替泵叶轮应该经过修整，或者阀门应该位于系统部分节流的地方。
Instead the pump impeller should be trimmed or valves located else where in the system to partially throttle the flow.
悬臂泵叶轮有闭式、开式、旋流式三种型式，以满足不同的应用需要。
Cantilever pumps are available with closed, open or vortex impellers to meet the requirements of different applications.
所作研究对于锥形螺旋叶轮血泵叶轮和流道的优化设计具有指导意义。
The investigation has important significance to the optimization of the conical spiral impeller and the flow channel.
本文采用欧拉模型对离心泵叶轮内气液两相泡状流动进行了数值模拟。
The gas-liquid two-phase bubbly flow in an impeller of a centrifugal pump was numerically analyzed in this paper with Eulerian model.
本文中设计了半开式离心泵叶轮，安装在清水透明离心泵实验装置中。
The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
该型泵叶轮采用偶数设计方案，全部叶轮轴向成对称分布，背对背安装；
The impeller of the pump is designed to even number, and all impeller shafts are symmetrically distributed and installed back to back.
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 this paper, an organic combination of surface molding and numerical calculation is applied to optimization design for centrifugal pump impellers.
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。
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.
本文分别采用升力法和准三维的方法对轴流泵叶轮进行了设计计算和性能预估。
Both lifting design method and quasi-three-dimensional design method has been applied to the design of axial flow pump impeller.
变角调节从构造来看，轴流泵叶轮具有巨大的轮毂，便于安装可调角度的叶片。
Variable Angle adjustment from the structure, the axial flow pump impeller with enormous wheels, easy to install adjustable Angle blade.
试验结果表明：质量大的颗粒，在离心泵叶轮中，其轨迹总是趋向叶片压力面。
Experimental results show that the trajectory of particles with large mass will be close to the pressure surface of blade in the centrifugal impeller.
基于二元理论，用FORTRAN语言编程实现了高比转速混流泵叶轮的水力设计。
Based on the two-dimension theory, a computer code is made in FORTRAN language to design the high specific speed mixed-flow pump.
采用激光测速仪ldv，对轴流泵叶轮内部及进出口旋转流场进行了流动测量研究。
Flow measurements are made before, inside, and behind an axial flow rotor by LDV.
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。
The finite element method is used for the three-dimensional flow field calculation in designing centrifugal pump impellers.
对螺旋离心泵叶轮、进水节和进水节与蜗壳交界处的部分端面做了表面油膜、油点试验。
The experiments of an oil film visualization technique are accomplished on the surfaces of impeller, inlet segment and partial meet face between inlet segment and volute casing.
通过阐述浆泵叶轮的若干原理，提出对浆泵叶轮水力特性的认识，并应用于解决实际问题。
The hydraulic principles of a pulp pump were discussed and a new understanding for the hydraulic characteristic of pump impeller was proposed.
介绍了一种新的轴流泵叶轮的水力设计方法，推导了求解叶轮s 1流面流动的积分方程。
A new hydraulic design method and the numerical method of axial flow pump impeller are introduced. The integral equation for flow calculation of S1 stream surface of impeller is derived.
对于不同体积分数的介质，离心泵叶轮、间隙内速度分布与介质为清水时的分布基本一致；
The velocity distribution in impeller and clearance is in accordance with that of clean water when taking pulp fiber suspensions as medium.
基于第二代YQH-100油气混输泵叶轮的基本参数，对叶轮的翼型参数进行了优化设计。
Optimal design on aerofoil parameter of impeller is made based on the second YQH-100 oil-gas pump.
基于第二代YQH-100油气混输泵叶轮的基本参数，对叶轮的翼型参数进行了优化设计。
Optimal design on aerofoil parameter of impeller is made based on the second YQH-100 oil-gas pump.
应用推荐