差压式流量计的标定及其误差分析  

Calibration and Error Analysis of Differential Pressure Flowmeter

作　　者：李武华[1] 申龙涉[1] 李虎[2] 郭土[1] 孙蕾[1] 何洋[1] 李亮[1] 

机构地区：[1]辽宁石油化工大学石油与天然气工程学院,辽宁抚顺113001 [2]中国石油抚顺石化公司,辽宁抚顺113004

出　　处：《辽宁石油化工大学学报》2014年第1期60-64,共5页Journal of Liaoning Petrochemical University

摘　　要：差压式流量计在流量测量领域中广泛使用。采用高精度的标定系统,对差压式流量计进行标定,获得了流量计的流出系数,并采用科学的分析方法,对流出系数进行误差分析,得出了标定结果及实验误差。通过分析结果可以确定,流量计的测量误差符合标准,可用于现场实际测量中。In flow measurement field ,the differential pressure flowmeter was used widely .Adopting high-precision calibration system to calibration differential pressure flowmeter ,the flow coefficient of the flowmeter was obtained .And the error analysis of the flow coefficient with scientific method was made to draw calibration result and its error accuracy .The results show that the measurement errors of the flowmeter followed the standard ,and the flowmeter could be used for the actual measurement in the field .

关 键 词：差压式流量计 标定 流出系数 误差分析 测量 

分 类 号：TE953[石油与天然气工程—石油机械设备]