孔板流量计,orifice flowmeter
1)orifice flowmeter孔板流量计
1.How to increase measuring accuracy oforifice flowmeter;天然气孔板流量计计量误差分析及改进措施
2.Design and application of differential pressureorifice flowmeter in H_2O_2/kerosene engine test;过氧化氢/煤油发动机试验中压差式孔板流量计的设计
prehensively analyzed are the main factors that affect the measuring accuracy of theorifice flowmeter.目前,孔板流量计仍是最主要的天然气流量计。
英文短句/例句
1.bellows-type gas or orifice meter伸缩式气体孔板流量计
2.The Orifice Flowmeter Calculation System of Software Design and Implementation孔板流量计计算系统软件的设计及实现
3.An Analysis about Metering Additional Errors of Standard Orifice Plate Flow-meter in Measuring Natural Gas Flow-rate标准孔板流量计测量天然气流量计量附加误差分析
paring with orifice flowmeter, it features simple structure, ease installation and maintenance as well as wide range.与孔板流量计相比，具有结构简单，安装、护方便，测量范围宽等特点。
5.square-edged orifice直角铣孔流量计孔板
6.orifice well tester孔板式天然气流量计
7.Factors of Influencing the Accuracy in Natural Gas Orifice Plates Measurement影响天然气孔板流量装置计量准确性的因素
8.Wet Gas Flowmeter Based on Slotted Orifice and Neural Network基于槽式孔板与神经网络的湿气流量计
9.Application of fluid dynamics software in orifice flow measurement流体动力学软件在孔板测量中的应用
10.STUDY ON MEASUREMENT METHOD OF SMALL ORIFICE CONDUCTANCE USING GAS MICRO-FLOWMETER气体微流量计测量小孔流导方法研究
11.Characteristics of the differential pressure signals of slotted orifice based on higher-order statistics槽式孔板差压信号的高阶统计量特征
12.As for the selection of throttle orifice, methods for calculating the number of orifice stages, pressure difference and orifice diameter are described as well.介绍了选择节流孔板的计算方法,包括节流孔板级数、力差和孔径的计算。
13.The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole.其研究重心是定量计算椭圆孔对电流密度以及板内应力分布在椭圆长轴端点处的集中效应。
14.The method to calculate value of crushing hole in roller chain plate is introduced.给出了计算链板最佳挤孔量的有效计算方法。
15.The rating curve between the flux of the pulverized coal and the tob pressure and aperture of orifice-plate flow meter is a parabolic one.煤粉流量与顶压及孔板直径成抛物线关系。
16.Head Meter Design for Test-bed of Heavy Hydraulic Cycle Compressor;液环压缩机实验台孔板节流装置的设计
17.Calculation Methods for Flow-Induced Vibration Response in Pipes with Orifices孔板诱发管道流致振动响应的计算方法
18.magnetic transmission variable aperture flow meter磁力传动可变孔径式流量计
相关短句/例句
Orifice Plate Flowmeter孔板流量计
3)Orifice flow meter孔板流量计
1.Orifice flow meters still occupy the leading position in gas measurement now.目前孔板流量计仍然在天然气计量中占主导地位。
4)orifice-plate flowmeter孔板流量计
1.The Application and Comparison of Gas Supersonic Flow Meter and Orifice-Plate Flowmeter;气体超声流量计与孔板流量计在天然气工业中应用的比较
5)orifice flow-measurement孔板流量计量
6)intelligent orifice meter智能孔板流量计
1.I n recent years, kinds of newintelligent orifice meters have been developed.但传统孔板流量计存在测量范围窄、精度低以及在工况变化时需更换不同的孔板元件等缺点,近年来开发出了新型智能孔板流量计,对原有的孔板流量计做了以下改进:改进了流量测量范围的扩展方式,孔板元件与二次仪表一体化以及自动温压补偿。
延伸阅读
孔板流量计分子式：CAS号：性质：是节流式流量计的一种。主要部件为一块厚度不大的圆板，一般在中心开一圆孔，称孔板。装在管道正中。流体流过时由于节流作用在孔板前后产生一个压差；流量愈大，压差也愈大。根据压差计测得的数值可计算流量。孔板是节流装置中结构最简单的一种，安装方便，因而在工厂中使用较为广泛，其缺点是流体通过孔板时能量损失较大。孔板的型式还有偏心孔板、圆缺孔板、双重孔板等。
