提出用模糊综合诊断技术来识别和分析油井集散控制系统的泵工况。
This paper discusses the fuzzy synthetic diagnosis of working pump's condition in oil field distributed control system.
该方法对于水力定向时的水力参数设计及钻井泵工况选择具有指导意义。
The method noted above has significance for guiding hydraulics and pump working condition design in hydraulic orientation.
该方法对于水力定向时的水力参数设计及钻井泵工况选择具有指导意义。
The method noted above has significance for guiding hydraulics and pump working condition design in hydraulic...
本文借用理论力学和实验研究相结合的方法，在广泛调研国内外相关领域研究成果的基础上，对电潜泵工况诊断技术进行了研究。
Based on studying the outcomes in related fields at home and aboard, the essay combined theoretical mechanics theory with experimental study method, researched fault diagnosis technology of ESP.
所以如果与实际工况需要流量相差太多的话，那就只能更好型号更大一点的泵。
So if you need to flow with the actual working condition differ too much, it can only be better model bigger pump.
综上所述，要综合地考虑以上各种因素，通过一系列的计算才能精确地知道泵的实际流量是否符合工况要求。
To sum up, we should consider these factors in an integrated manner, through a series of calculations in order to accurately know the actual flow of the pump meets required conditions.
现场应用表明，根据螺杆泵油井工况宏观控制图，可提高螺杆泵采油系统管理水平及经济效益。
Field application demonstrates that the management level and economic efficiency of the screw pump production system would be improved by using the control chart.
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.
NVT 无堵塞立式泵应用于含有废水，泥浆，废料等介质的各种苛刻工况的领域。
NVP/NVT non-clogging vertical pumps are intended for all kinds of hard applications with waste water, slurries or waste stock.
本文介绍了离心泵在纯液相流瞬变工况的性能研究的一些进展。
This paper presents some advances in the study of centrifugal pump performance under pure liquid phase transient flow conditions.
水液压柱塞泵的柱塞工况非常恶劣，对材料的强度和耐磨性都有较高要求。
Working conditions of plunger in water hydraulic plunger pump is quite adverse, and its material needs rather high requirements on strength and wearability.
泵的基本部件如出口段、圆柱管和导流壳组件等可以组装在一起，并根据客户要求很好地满足不同的工况需要。
The basic components of head, column pipe and bowl assembly are combined and customized to perfectly match individual duty needs.
目前该泵已在用户的实际工况中使用。
At present, this pump was used in actual operation by users.
研究了安装VP37电控分配泵柴油机起动工况的标定匹配。
In this paper , the starting condition calibration of a diesel engine fixed with VP37 electronic distribution pump is studied.
特别注意了泵在气-液两相流瞬变工况的机理分析。
Special attention is devoted to the analysis of the mechanism of pump under gas-liquid two phase transient flow conditions.
叶片头部在不同的工况下均存在较大的水流撞击作用，适应来流不理想，这对泵的整体性能有很大影响，应予以修型。
There is great flow impact on the head of vanes at different condition, and it will affect the performance of pump system greatly, so the shape of the head of vanes should be improved.
介绍了石油钻井泵在线工况监测与故障诊断的难点所在。
It is introduced that the instrument (ZJFY type) is to measure and analyse the drilling pump.
在有杆泵系统中，经常采用油管锚定来改善工况，通过在管式泵的上方安装泄油器来改善油井施工作业时的工作环境。
In beam pump system, usually using tubing anchor to fix pump, and using bleeder Installed on the tubing pump to improve its working environment.
这样，就可以计算出诊断喷射泵井工况所需要的压力比，流量比和泵效等工况参数，泵吸入口压力还可用来计算油井的产能曲线。
The inlet pressure of the jet pump can also be obtained by the pressure ratio, and it can be used for acquiring the productivity curve of an oil well.
离心泵铭牌上标出的性能参数即为最高效率点上的工况参数。
Centrifugal pump nameplate on the performance parameters shall be marked the highest point on the efficiency of the working condition parameters.
本文首先分析了发动机的全负荷速度特性、部分负荷特性和变量泵在不同的工况下的效率特点。
This dissertation has analyzed the full-load speed characteristics of the diesel engine, some load tempo characteristics and characteristics of variable pump at first.
研究证明，该试验机能模拟疏浚工况，已成功应用在挖泥船泥泵壳和绞刀片耐磨材料的磨损试验上。
The developed materials through the sand slurry abrasion test have been successfully put into practice in the shell of dredging pump and the cutter piece.
通过对改造的隔膜计量泵与原有的计量泵进行的汽蚀试验对比，给出了隔膜计量泵性能与现场使用的最佳匹配工况。
To improve the cavitation performance of diaphragm metering pump, a comparison of cavitation test is made between the modified diaphragm metering pump and the original measuring pump.
管道系统中的压力脉动会对管道系统中造成许多危害，例如它会降低泵的工作效率、增加额外的能耗、产生噪声，使管道附件的工况变坏和造成管道振动等等。
The pressure oscillation in piping system can lower the efficiency of the pump, cause the additional consume of energy and emit noise, deteriorate the working condition of the accessory.
本文分析了泵及泵装置的水力损失和水力效率的关系，推求出了泵装置的最高效率工况点。
The most efficient work point of of the pump device was deduced after the analysis of the relationships between hydropower loss and hydropower efficiency in pump and pump device.
该类型泵特别适合于低比重介质的工况， 在这种情况下背对背的设计及中间衬套可以产生自然的轴向平衡和附加的轴支撑。
They are particularly suited to low specific gravity applications where the back-to-back design and center bush provide natural axial balance and additional shaft support.
计算机可按流量、压力、电流和泵效等点动控制泵的工况。
The computer can manipulate operating pump mode according rate of flow, pressure, electricity or pump efficiency.
计算机可按流量、压力、电流和泵效等点动控制泵的工况。
The computer can manipulate operating pump mode according rate of flow, pressure, electricity or pump efficiency.
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