head of pump
英 [hed ɒv pʌmp]
美 [hed əv pʌmp]
泵压头
双语例句
- Relationship between discharge and head, power, efficiency of axial waterjet pump with guide vane is analyzed.
分析了不同流量下加导叶轴流泵器的流量和扬程、功率和效率的关系； - Now the pressure head of the pump is not able to make precise calculations in theory, the general use of experimental methods.
目前对泵的压头尚不能从理论上作出精确的计算，一般用实验方法测定。 - The hydraulic end is update designed horizontal pump head, which solved the problem of the pump head strength with the character of closed structure and convenient to maintenance.
液力端为最新设计制造卧式一字型泵头，成功地解决了超高压泵泵头强度的难点。结构紧凑，操作、维修简单方便。 - Through incision experiment on the impeller of circulating pump times and times, the relation between the size of incision and the capacity and head of the pump was discussed, the law of performance was summarized after the impeller is incised, the existing formula was revised.
摘要经过对混流泵叶轮多次切割试验，探讨了叶轮切割量与泵的流量、扬程之间的关系，总结了混流泵叶轮切割后的性能变化规律，进而对现有公式进行了修正。 - On condition that the process is fixed, we qualitatively point out that the temperature of spin head and temperature of spin pump are in direct proportion to the reduction of viscosity.
在一定的工艺条件下，定性指出了纺丝箱体温度、计量泵温度与粘度降成正比。 - Analysis of influencing factors on the head of screw centrifugal pump
影响螺旋离心泵扬程的因素分析 - The head and efficiency of axial flow pump are calculated and compared with experimental data. Numerical simulation was adopted to analysis the inner flow condition of centrifugal impeller with splitter blades, which explored the principle of improving pump lift head and efficiency.
采用数值计算的方法，对带分流叶片低比速离心泵内流场进行详细分析，从内部流动规律角度探讨了分流叶片提高水泵扬程和效率的机理。 - With the analysis of forming mechanism of the actual Quantity-Head curve of centrifugal pump, the relation of slope and hump of theoretical Quantity-Head curve of centrifugal pump was derived mathematically, and the relation of specific speed and curve slope was presented.
分析了离心泵实际流量扬程曲线的形成过程，数学推导了理论流量扬程曲线斜率与驼峰的关系，提出了比转速与斜率大小的关系曲线。 - Abstract The pressure of pressure stabilizing pump will be settled on the basis of its delivery head which is not calculated but determined by the delivery head of main fire pump as the function of it is to stabilize the pressure inside the fire water system.
稳压泵的压力设定值决定于稳压泵扬程，稳压泵的扬程一般不另行计算，而是采用消防主泵的扬程，其原因在于设置稳压泵的目的是使消防给水管网的水压稳定。 - The loss of efficient head of circulation pump in the primary loop of PWR will increase with the increase of resistance coefficient of JetPump under forced circulation.
强迫循环条件下，压水堆一回路主循环泵有效压头的损失随喷射泵阻力系数的增加而增加； - The relative error of computational head coefficient of the centrifugal pump compared with experiments is less than 6%, the distribution of the numerical head coefficient on blades agrees well that obtained by experiment;
计算的离心泵叶轮扬程系数与试验结果的相对误差小于6%，计算的叶片表面压力系数的分布与实验数据十分吻合； - Based on the analysis of fluid motion law of a foreign aeroengine screw centrifugal pump, a simplified flow model for fluid in the impeller is established, and the calculation methods for the head, power and efficiency of the pump are studied.
在分析国外某型航空发动机用螺旋离心泵流体运动规律的基础上，建立了叶轮中液体的简化流动模型，研究了泵的扬程、功率和效率的计算方法。 - Application of the Mass Head Concept in the Design of Water Pump
质量扬程概念在泵设计中的应用 - Based on similarity theory and expressions of water head and efficiency curves of pumps and pump sets, a mathematical model for predicting water head and efficiency of prototype pumps and pumping sets is put forward.
根据相似理论，分析和表达了模型泵及泵装置扬程特性曲线和效率特性曲线，提出了预测原型泵及泵装置扬程特性和效率特性的数学模型，作为泵站技术改造水泵选型预测的理论依据； - The paper introduces the approximate formula for the head curve of pump, the pipe resistance curve of system and the efficiency of pump with relative value.
介绍了扬程特性、管阻特性和水泵效率的相对值近似表达式。 - Calculation on Diving Pump Hold Power steel Beam-Rebuilding the Head of Channel Pump Station at Da'ang Irrigation Area
大昂灌区渠首泵站改造&潜水泵持力钢梁验算 - Transformed Design of Axle Head of Gear Pump Based on UG Software
基于UG的齿轮泵轴端变型设计研究 - In addition, this paper provides the calculating method of the maxium dynamic NPSH ( Net Positive Suction Head) for the suction of feed pump.
在此基础上，进一步提供了更为正确的给水泵最大动态汽蚀余量△h（max）的计算方法。 - According to the common method of the performance calculation of centrifugal pump, the author calculated the head and power of the pump, showed the way to get the pressure of the outlet.
根据一般离心泵的计算方法，结合螺旋型离心泵的特点，论文计算了泵的扬程和功率，给出了在已知流量和进口压力的情况下求得出口压力的方法。 - Because the flowrate and head of pump station was changing frequently and the conventional optimal calculation method often takes long time, the author proposed artificial neural networks model to predict movement patterns of the Jiangdu first pumping station, the result of optimal operation is used as sample.
针对泵站的流量和扬程变化频繁而一般的优化计算方法速度较慢的问题，以仿真优化结果为样本，利用人工神经网络对相似工况进行预测，预测结果平均误差为1.99%。 - The results show that the inducer attributes much to the anti-cavitation ability and hydrodynamic head of centrifugal pump.
研究结果表明，通过增加螺旋诱导轮能够有效提高离心泵的扬程和抗汽蚀性能。 - The outlet pressure fluctuating characters were determined by the root mean error. The relationship between the net positive suction head and the pressure pulsation of the pump outlet was set up by the experimental data and then compared with the traditional methods.
采用压力的均方差来描述泵出口压力波动特性，分析实验数据中泵装置汽蚀余量和泵出口压力波动之间的关系，并与应用传统方法得到的汽蚀特性进行比较分析。 - The variation of the flow rate and the head loss of the pump discharge are studied in the paper when the leak and the operating valve happened simultaneously.
研究在水平管道中当泄漏和阀动作同时发生时，泵的出口流量和压力的变化。 - The Newton iteration method is used to solve the economic pressure on the unknown node, so as to calculate the economic head loss and economic pipe diameter of each section, and economic head of second-stage pump station.
采用牛顿迭代法来求解各未知节点的经济水压，进而得出各管段的经济水头损失、经济管径和水源二级泵站的经济扬程。 - Through analysis on the energy consumption of brine extraction in mine, it is concluded that electricity consumption for per ton of salt is mainly related with such factors as pump head, efficiency of motor and pump as well as brine salinity.
通过对矿山采卤的能耗分析，采卤吨盐耗电主要与泵的扬程、电机和泵的效率、卤水含盐量等因素相关。 - Second Order polynomial Regression Mathematical Model Treatment of Flow Capacity-Lift Head Property Curve of Centrifugal Pump
离心泵流量&扬程性能曲线的二阶多项式回归数学模型处理 - Simulation results show that the head and flow of the desulfurization slurry pump as well as the desulfurization efficiency all increased after transformation.
模拟结果显示，改造后脱硫浆液泵扬程、流量和脱硫效率都增大。 - Under the circumstances of certain pump assembly head, with the number of running pump units increasing, system efficiency of Baoying pumping station and Jiangdu 4th pumping station is increased at first, and then decreased.
泵装置扬程一定情况下，随着开机台数的增加，宝应站和江都四站系统效率先升高后下降，江都二站和大套三站系统效率持续升高，所有机组全部开启时系统效率达到最高。 - This shows that, the main reason, measured flow greater than design flow is that the head of the selected pump is too large.
这说明，造成水泵实测流量大于设计流量的主要原因是所选水泵的扬程过大。