1) runaway curve
飞逸特性曲线
1.
In the over-speed test of hydropower station,the working condition is located on the runaway curve because the unit is load free.
研究了水电站过速试验中机组转速升高的影响因素,着重从模型机组飞逸特性曲线及机组转动惯量两方面分析。
2) performance curve
特性曲线
1.
Pipe system performance curve of air-conditioning VWV chilled water system in operating mode;
空调变水量冷冻水系统运行工况下的管网特性曲线
2.
Calculation of the performance curve for inverter fed asynchronous traction motor;
逆变器供电的异步牵引电机特性曲线的计算
3.
The characteristics of all kinds of gas-lift performance curves were analyzed.
论述了气举区块优化配气的发展现状,分析了各种类型的气举特性曲线,完善了区块优化配气模型,并建立了与区块优化配气模型形式相同的油田优化配气数学模型。
3) characteristic curves
特性曲线
1.
Analytical method of the hydraulic pressure control system and characteristic curves based on MATLAB;
液压控制系统和特性曲线的MATLAB分析法
2.
Application of Fortran and MATLAB mixed-language programming to processing characteristic curves of hydraulic turbines;
Fortran和MATLAB的混合编程在水轮机特性曲线处理中的应用
3.
Static stiffness characteristic curves are drawn in whole working area through Matlab software,and infection created by the left/right driving parts and connecting rods is analyzed.
使用M atlab软件绘出了机构在整个工作区间的静刚度特性曲线,并对左右驱动部分和连杆的刚度对其影响进行了分析。
4) characteristics curve
特性曲线
1.
Study on the fit method of characteristics curve of wear resisting mine drainage pump;
矿用离心泵特性曲线拟合方法的比较
2.
Study on the fit method of characteristics curve of centrifugal pump based on ANN;
基于ANN的离心式水泵特性曲线拟合方法研究
3.
This article introduces that during the characteristics curve designing,how to use the formulas to calculate the differential pressure of each opening and how to add valve minimum throttling area to total throttling area making the characteristics curve more reasonable.
介绍了调节阀在型线设计过程中,可以通过计算公式求得在每个开度下的压差,论述了如何将调节阀在最小开度下的节流面积融合在总面积之中,使调节阀的特性曲线更趋于合理。
5) feature curve
特性曲线
1.
This paper researches the jet pump performance in the water supply of hydropower station technology,through numerical value calculation to determine the geometric size of the flow components,and ensure the efficiency to be the highest value,and Derives the expression for efficiency and performance,protracts operating characteristics of jet pump and efficiency feature curve under different area.
并推导出效率、性能表达式,绘制不同面积比下射流泵运行特性与效率特性曲线。
2.
In this paper,we put emphases on introducing how to get out from feature curve of forfeited electronic element to analyze and determine failure mechanism of electronic element based on introduc ing failure analysis of electronic element with electronics character.
在详细介绍基于电学特性的电子元器件的失效分析方法的基础上,重点阐述了如何从失效元器件的特性曲线出发,来分析和判定电子元器件的失效机理。
3.
After introducing the test means and analysizing the feature curve.
通过对双工器特性曲线的检测与分析,可以准确了解双工器的性能特性,为无线通讯产品中双工器的分析、设计及维修提供理论依据。
6) characteristic curve
特性曲线
1.
The adsorption characteristic curves of ~(13)CH_4 and ~(12)CH_4 on coal and its application;
煤吸附~(13)CH_4与~(12)CH_4的特性曲线及其应用
2.
Analysis on Characteristic Curve of Modular Designing Corotating Twin-screw;
组合式同向旋转双螺杆特性曲线分析
3.
Study on characteristic curve of screen-film system using distance method;
距离法测试增感屏-胶片系统特性曲线的研究
补充资料：飞逸转速
飞逸转速
runaway speed
fe一y 12卜L{o)〕stJ飞逸转速(runaway speed)单位为:/min，是发电机或电动机结构强度计算的重要依据。对水轮机，飞逸转速指其处于失控状态，轴端负荷力矩为零时的最高转速，以nrun表示。对蓄能泵(水泵水轮机的泵工况，下同)，飞逸转速指其电动机断电，其处于失控状态以水轮机方向旋转的最高转速，以‘.「u。表示。 原型水轮机飞逸转速根据模型试验得到的单位飞逸转速nr即.，，按下式换算nrun.，，丫)了式中，H为水头，m; DD为水轮机转轮公称直径，(l)nlo 冲击式水轮机的单位飞逸转速从un.11为最优单位转速的1.8一2.0倍，最优单位转速。，，。一般为39一40r/min，其变化范围很小。 飞逸转速与水轮机的工作水头和导叶开度(冲击式为针阀开度:。)有关，一般在最大水头和最大开度时达到飞逸转速。轴流转桨式水轮机还和桨叶转角甲和导叶开度a。有关，通常飞逸转速出现在协联关系破坏时。 原型蓄能泵飞逸转速根据模型试验得到的单位飞逸转速娜.run.，:按下式换算 _。p .run.，，丫万np.run一一一几丁一一(2)式中，H为蓄能泵反向飞逸时的水头，m;D为蓄能泵叶轮公称直径，m。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条