指出了目前离心泵叶片出口角研究存在的不足。
The present deficiency about numerical simulation research on impeller outlet Angle of centrifugal pumps is pointed out.
文中以斜流泵叶片为设计实例，在计算机上计算出结果。
A design example and the results of calculation by computer are given.
分析各因素对大型立式轴流泵叶片进口流态的影响，研究该断面流场的形成机理。
Influence of each factor on blade inlet flow of a large vertical axial-flow pump is analyzed, formation mechanism of flow field in the cross section is studied.
建立了简化成二维定常不可压缩流体的离心泵叶片的边界层方程，并对相关量进行了分析。
The boundary layer equations of vanes of centrifugal pump in two-dimensional incompressible fluid are set up and the relevant quantities are analyzed in the paper.
轴流泵叶片水力矩随流量变化的关系曲线存在一个马鞍区，并与流量-扬程曲线的马鞍区相对应。
There exists a saddle type zone in the hydraulic moment curve of axial-flow pump blades which corresponds to the saddle zone of discharge-head characteristic curve of the pump.
针对珠江电厂循环水泵供水不足、泵叶片强度不够等问题，对循环水泵进行了增流节能技术改造。
In the view of insufficiency in water supply of circulation water pumps in ZhuJiang power plant, the circulation water pumps were retrofitted with the aim of increasing flow rate and saving energy.
采用三维流动理论，改变叶片造型方法，控制水力损失和引入CFD方法是提升现有轴流泵叶片设计的主要策略。
The main strategy should include in itself the use of three-dimensional flow theory, improvement of vanes stacking skill, control of hydraulic losses, and use of CFD in vane design procedure.
给出了离心泵叶片表面的边界层动量积分方程的解的构造及其计算方法，并以计算实例说明了该解的唯一性和算法的稳定性、收敛性。
Solutions of the boundary layer momentum integral equations of vanes in centrifugal pumps are given and their calculation method and their illustration with example are given too.
离心式固液两相流泵叶片的边界层的理论分析，可以为分析流体在叶片表面沿程阻力提供基础，进一步也可以为确定叶片型线提供理论依据。
The theoretical analysis of boundary layer in vane of centrifugal two-phase flow pump may provide a basis for flow drag in vane surface and a theoretical evidence to determine vane curve.
这种泵的叶轮叶片可以自动调节来适应转速、流体粘度和不同压力。
This pump impeller blades can be adjusted automatically to adapt to speed, fluid viscosity and pressure.
特别是叶片泵几乎没有断流能力。
In particular, leaves almost no drying capacity of the pump.
主要产品有：叶片泵转子、定子、叶片及其它零件。
The main products are: rotor blades, the stator, leaves and other parts.
泵壳应该配置一体化的抗涡流叶片，这可能有助于日常设备维护。
The casing shall have integral anti-vortexing vanes that can also facilitate maintenance.
要生产泵动作用，它包括往复运动的活塞或旋转叶片。
To produce the pumping action, it contains pistons that are driven back and forth, or rotating vanes.
通风盘式时制动器在两侧有叶片，空气在泵的作用下流动使制动盘冷却。
Vented disc brakes have a set of vanes, between the two sides of the disc, that pumps air through the disc to provide cooling.
详细地综述了国内外长短叶片离心泵的试验研究、设计理论研究方面的成果及现状。
The experimental results and design theory for low-specific-speed centrifugal pump with splitter blades are detailed.
在泵顶部应该配置排斥叶片，用于排出固体颗粒，减少轴向推力和密封区域的压力。
Repelling vanes shall be provided on the top shroud to expel solids and reduce axial thrust and pressure at the seal area.
汽车转向助力叶片泵的定子曲线对降低其噪声起着关键作用。
The stator curve of the power steering vane pump plays an important role in reducing noise.
该计算结果为建立少叶片半开式叶轮纸浆泵的设计方法提供了理论依据。
This calculation result provides design basis for the establishment of stock pump with semi-open and fewer blades impeller.
本文研究了叶片泵定子改进梯形加速度运动规律轮廓线型面靠模的加工问题。
This paper has solved problem of machining for the profile of the blade pump stator to improve trapezium accelerated motion regulation.
且在长期运行中情况比较稳定，采用该型式叶轮的泵轴向力较小，且可以在前后盖板上设置副叶片。
And the situation in the long-term stable operation, use the type of impeller shaft to the edge of the smaller, and can be set up before and after the Vice-leaf cover.
在分析现有定子曲线特性的基础上，得出了一种具有较好综合性能的低噪声定子曲线，可为高性能叶片泵的设计提供参考。
On the base of analysing the properties of existing stator curves, a low noise stator curve with better features was suggested in this paper, which could be applied to design high quality vane pumps.
该型叶轮的泵兼具有容积泵和离心泵的作用，悬浮性颗粒在叶片中流过时，不撞击泵内任何部位，故无损性好。
The type of the pump impeller and pump and centrifugal pump with a volume effect of particles suspended in mid-stream leaf out of date, do not hit any part of the pump, it is good non-destructive.
本文是国家教委博士点基金项目“粘性流体在叶片泵内的流动机理研究”的一部分。
The dissertation is part of the Doctoral Scientific Fund Project of the State Education Committee of China.
本文结合叶片泵性能测试中各参数的测试方法，在PC- 1500袖珍式计算机上进行了相应的程序设计。
Based on the test methods for measuring vane pump performance parameters, a corresponding program executable on PC-1500 pocket computer is developed in this paper.
研究了过流条件与泵轮叶片表面冲蚀磨损的关系。
The relation between the flow conditions and material surface abrasive erosion of the pump impeller has been studied.
将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体，在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition.
柔性摆线转子泵集齿轮泵与叶片泵优点于一身比同类容积泵的效率提高10%以上。
Flexible set cycloid gear pump rotor pump vane pump with the advantages of a similar volume than pump more than 10% efficiency.
本文应用现代谱估计方法——最大熵谱估计分析了双联叶片泵供油系统的压力波动，指出了产生压力波动的原因。
This paper deals with the pressure ripple of the double vane pump using modern spectrum analysis—maximum entropy spectral estimation and indicates the causes of pressure ripple.
本文应用现代谱估计方法——最大熵谱估计分析了双联叶片泵供油系统的压力波动，指出了产生压力波动的原因。
This paper deals with the pressure ripple of the double vane pump using modern spectrum analysis—maximum entropy spectral estimation and indicates the causes of pressure ripple.
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