压水室采用导叶式结构能够尽快地把液体的动能转换为压力能，同时能够使泵腔内的流动更趋合理均匀，提高泵内气液分离的能力，并且能平衡叶轮径向力。
The volute of guide-vane structure can transform the kinetic energy to pressure energy as soon as possible, and improve the capacity of separating gas and liquid for the more balance flow in it.
对大泵改造保留出口导叶的叶轮改型方案作了深入的探讨。
A reform scheme with exit guide vane remained for large axial flow pumps is discussed deeply.
叶轮和导叶是轴流泵装置中的重要过流部件，而轴流泵后导叶(以下简称导叶)是泵内动能回收的主要部件。
Impeller and diffuser are important parts in the Axial-flow pump and the later is the important part to take back energy.
采用径向导叶的液氢泵的试验结果表明，导叶损失大，导致液氢泵效率低。
The results, which obtained by using radial diffuser, show that due to the high loss through the diffuser, the efficiency of the liquid hydrogen pump is lower.
水力部件由以下组成：出入口管，壳体，法兰，叶轮，导叶，泵轴，泵轴承，热屏和热屏热交换器。
The hydraulic section consists of the inlet and outlet nozzles, casing, flange, impeller, diffuser, pump shaft, pump bearing, thermal barrier and thermal barrier heat exchanger.
本文成立了多级离心泵导叶内部流场的计较模子，体例了活动计较措施。
This paper sets up a calculation model to solve the internal flow of multistage centrifugal pumps and a flow calculation program is worked out.
本文介绍了离心泵节能的主要技术，并提出了前置导叶预旋调节的节能技术。
This paper introduces the main energy saving technologies of centrifugal pump. And the author proposes a new energy saving technology which is called prerotation regulated by the inlet guide vane.
本文介绍了离心泵节能的主要技术，并提出了前置导叶预旋调节的节能技术。
This paper introduces the main energy saving technologies of centrifugal pump. And the author proposes a new energy saving technology which is called prerotation regulated by the inlet guide vane.
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