工况点

额定水头的效率峰值对应的工况点N[η（max）]具有可选定性，是效率峰值移动的基准点，它反映了转轮具有较高能量指标和较好的稳定性的共同要求。

The rated head efficiency peak operation point N [ η( max ) ] is taken as the reference point for peak efficiency movement , it reflects the high energy performance and a good stability of a runner , the point is selectable .

水泵工况点求解的方法有多种。

There are various methods to solve the pump operation point .

确定水泵工况点的C程序设计

C Program Design About Determining the Point of Operating Mode of Water-Pump

在此基础上，本文将模糊自适应PID控制策略应用于水轮机调速器并进行了在不同工况点频率扰动下的仿真研究。

In the following simulation , this new control strategy is applied to the hydraulic turbine governor subject to small frequency disturbance at different work points .

最佳的工况点位于100mmHg的输出压力附近。

The optimal working state of the pump was at a load of 100 mm Hg output pressure .

在发动机各工况点下选择最佳的EGR率，可在对发动机其它性能影响很小的前提下，显著地降低发动机的NOx排放。

Selecting optimal rate of EGR under different engine working conditions can remarkably reduce emission of Nox without evident effects on other engine performances .

在多个工况点的仿真结果表明：所设计的H∞控制器的负荷适应性较强，具有良好的解耦效果，等效的PID控制器较好地保留了H∞控制器的控制效果。

Simulations under various operating modes show that the H_ ∞ controller has a superior load adaptability with good decoupling efficacy . The equivalent PID controller has retained quite well control capabilities of the H_ ∞ controller .

应用ReeEyring流体，求得了零卷吸工况点接触热弹流润滑的完全数值解，分析了凹陷深度随表面速度的变化规律。

With the Ree-Eyring fluid , a complete numerical solution of the thermal zero-entrainment point contact EHL ( elastohydrodynamic lubrication ) was obtained .

最优工况点的效率计算值比试验值高309个百分点，计算所需时间比标准kε湍流模型少30%～40%。

The results showed that the calculated efficiency at the optimum operating condition is 3.09 % larger than test value and the CPU time is 30 % ~ 40 % less than the time of using the standard k - ε turbulence model .

基于雷诺时均N-S方程和标准k-ε双方程湍流模型，对混流式水轮机全流道的三维定常湍流的48个工况点进行了计算。

Based on Reynolds equations closed by k - ε turbulence model with general coordinates , numerical simulation of three-dimensional turbulent flow through a Francis turbine was conducted for 48 different operation points .

目前，对调速系统的控制基本采用常规的PID控制，此控制策略具有结构简单等优势，但是其参数不能实现在线自整定，因此，对于不同工况点的运行无法较好的控制。

At this time , the control of speed basically adopts normal PID control , and though this control strategy has better advantages of structural simplicity , but the parameter does not have the function of self-revision . Thus , this strategy cannot control the running of different operating points .

然后基于GT-Power仿真结果，找出冷却器工作的最大热负荷工况点，以此点作为设计工况对冷却器结构参数进行计算。

Then we found out the maximum heat load operating point of EGR cooler according to GT-Power simulation results and calculated the cooler structure parameters by setting the point as design condition .

介绍了该模型的Newton-Raphson计算方法，在此基础上运用模型进行了自然分风，风量调节和通风机工况点优化的计算，并给出了算例。

The paper recommends Newton-Raphson calculation method of the model . On this basis and using the model , we carry out calculation of natural ventilation , wind quantity adjustment and optimizing operating mode of ventilator , and gave example of calculation .

在实验过程中通过对不同参数除臭数据的测定，找出了最佳工况点为每小时处理气量为500m~3；在填料内停留时间为18s。

By measurement of various parameters for eliminating odor in the experiment , it is found that the optimal operating point is 500 m ~ 3 treated gas per hour and the time of staying in the media is 18s .

小型制冷系统结露不结霜工况点的实验研究

Experimental study on dewdrop and no frost of small refrigeration system

油料储运泵运行工况点的讨论

Discussion on work condition point of oil storage and transportation pump

高炉鼓风机运行工况点的微机监视

A Microcomputer Monitor of Blast Furnace Air Compressor Operation Point

计算井泵并联工况点的电算程序

A Computer Program of Calculating Well Pump parallel Connection Work state point

挖泥船泥浆管道输送工况点的在线动态优化方法

Working Points Online Dynamic Optimization Method for Dredge Slurry Pipeline Transport System

文中通过调试对最佳工况点作了进一步论证。

Further demonstration was made on the optimum operation condition through adjustment .

水泵最佳工况点的分析

Analysis and Study of the Most Rational Operating Point of the Pump

液体粘性对离心泵运行工况点的影响

Influence of liquid viscosity on operating point of centrifugal pump

关于如何调节水泵最佳工况点的技术分析

The Technical Analysis on How to Adjust Pump to the Best Working Condition

并联运行水泵工况点的确定

Optimum Circulation State of Parallel Connection Water Pump s

离心泵稳定工况点的测定

Measure the Steady Working Condition Point of Centrifugal Pump

轴流式通风机在多工况点下的并联运行规律

The Operation Law of Fans in Parallel in the Case of Multi-operating Points

论井泵最佳工况点的预测和计算方法

On the Prediction and Calculation Method of Optimal Operating Condition of Well Pump

流量工程技术浅谈计算法求解并联水泵工况点流量及扬程

Talking about the flow and lift of parallel-series pump working points with computing method

通风机选型中工况点效率的计算

Calculation for Operating Point Efficiency in Fan Selection

在相应的工况点下，伺服系统能保证良好的动态性能和稳定性。

These servo systems can guarantee good performance and stability at local operating points .