Primary influencing factors of viscosity,temperature and pressure of crude oil on flowmeter coefficient are analyzed.
介绍了原油计量交接流量计系数方法的基本原理,分析了原油粘度、温度、压力等影响流量计系数的主要因素,并对五种流量计系数的使用方法进行了深入研究,提出了较为科学和实用的使用方法。
By the test of the imitated rain,the article researches some rainfall runoff features of the plain area which the slope is less than 3‰,the changing regulation of runoff coefficient under the steady rainfall condition,puts forward the calculation principle of the rainfall runoff this area by using the maximum runoff coefficient method and makes a calculation of the r.
利用仿雨试验,研究地面坡度小于3‰的平原区降雨产流的特征,稳定降雨条件下径流系数的变化规律,提出了“最大径流系数法”对平原降雨产流的计算原理,对非稳定及天然条件下的暴雨过程进行了径流计算。
Applied Study of Flowmeter Coefficient Method in Dynamic Custody Transfer of Crude Oil
原油动态计量交接流量计系数方法应用研究
Venturi-meter coefficient
文丘里流量计流量系数
The temperature coefficient of mass flow parameter of the coriolis force mass flowmeter
科氏力质量流量计质量流量参量的温度系数
The discharge coefficient for each elbow flowmeter should be calibrated in practice.
每个弯管流量计的流量系数须经过实际标定.
Digital Closed Loop System of Coriolis Mass Flowmeter
科氏质量流量计数字闭环系统的设计与实现
The Design of Digital Calibrating System of Mass Flowmeter;
数字化质量流量计校验检定系统的设计
Numerical Simulation of Flow Characteristics and Experimental Study of Flow Coefficient on Elbow Flowmeter;
弯管流量计水流特性的数值模拟及流量系数的试验研究
Novel closed loop system and output signal processing of digital Coriolis mass flowmeter
数字科氏质量流量计闭环系统及信号解算
Research for Data Monitoring and Management System of Sewage Flow Measuring in Open Channel
明渠污水流量计量数据监测管理系统的研究
Research on the Data Acuquisition and Processing System of Digital Flow-meter for Open Channal Sewage
数字式明渠污水流量计数据采集处理系统研究
7. Up-slope runoff and sediment have important effects on dli flow hydraulic parameters, such as dll flow velocity, Reynolds number
建立了净侵蚀产沙量与细沟水流流速和雷诺数增量及阻力系数减量的数学统计模型。
Numerical Research of Wafer Cone Meter on Its Expansibility Factor and Characteristics of Wet Gas Metering;
内锥流量计可膨胀系数与湿气测量特性的数值研究
A Vortex Flowmeter Signal Processing System Based on Double-core Technique;
基于双核技术的数字涡街流量计信号处理系统
The Design and Implementation of Data Acquisition and Storage System of IP Network Traffic;
IP网络流量数据采集与存储系统的设计与实现
A kind of realization based on IP s flow rate data counting fees systems;
一种基于IP流量数据的计费系统的实现
Software Developments of Signal Processing Systems for Two Kinds of Flowmeters
两种流量计数字信号处理系统的软件开发
Improved Momentum BP Algorithm to Calculate Air Flow Unstable Heat Conducted Coefficient of Surrounding Rocks
改进动量BP算法计算围岩风流不稳定传热系数
Digital Signal Processing System of Vortex Flow-meter with Low-power and Two-wire
低功耗、两线制涡街流量计数字信号处理系统