洒水车水泵泵壳出现裂纹、或者叶轮、倒叶损坏、或者水封破损，都会影响真空度，出现水抽不上来，或者水压过小的现象。
Sprinkler pump shell cracks, or impeller, leaf damage, or seal damage, will affect the degree of vacuum, water pumping, water pressure is too small or the phenomenon.
用多叶箔片轴承取代火箭发动机涡轮泵上的滚珠轴承具有工作寿命长、工作转速高、能量损失小等重要优点。
Multileaf foil bearing, instead of ball bearing of turbo-pump in rocket engine, has many important advantages including long life, high speed and low energy loss.
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.
热点项目包括心肌组织的组织工程模型、三叶瓣、细胞型的心脏泵及血管移植物。
Active programs include tissue engineering models for cardiac muscle tri - leaflet valves cell-based cardiac pumps and vascular grafts.
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.
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.
对酮苯装置泵-19叶轮腐蚀进行了失效分析。
The corrosion failure of the blades of Pump-19 in the acetone-benzol plant was analyzed.
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.
通过对轴流泵叶轮流固耦合的数值模拟，得到了叶轮内部真实流动情况和叶内部应力分布情况。
We can obtain the impeller's interior actual flow situation and the impeller internal stress distribution due to axial flow fluid-solid coupling numerical simulation.
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.
进水口过滤网设计，防止杂物进入损坏水叶或导致马达烧坏。 ★本泵浦马达采用环氧树脂防腐涂层，不易生锈。
Inlet suction strainer design avoids impeller and motor damages by foreign substances. Anticorrosive epoxy coating on pumps makes antirust available.
通过对三叶外环流活塞泵工作原理的研究，得出了它的封液条件和不干涉条件，并给出了设计方法和有关公式。
The operating principle of three--vane external circulating current piston pump was studied and the conditions of liquid seal and non--interferrence of the pump were got.
针对轴向柱塞泵故障特征的模糊性和不完备性特点，提出一种多特征信息融合与贝叶斯网络相结合的故障诊断方法。
Aiming at the fuzzy and incomplete nature of fault characteristics of axial piston pump, a method of Bayesian networks and multi-characteristic information fusion was proposed.
靠近泵出口的两个叶道内，有气相的积聚，含气率较高。
The two channels near the outlet of the pump have obvious gas accumulation with higher gas voids.
靠近泵出口的两个叶道内，有气相的积聚，含气率较高。
The two channels near the outlet of the pump have obvious gas accumulation with higher gas voids.
应用推荐