流量积算仪瞬时流量不确定度评定与流量理论值的误差分析  

Evaluation of Instantaneous Flow Uncertainty of Flow Accumulator and Error Analysis of Theoretical Flow Value

作　　者：韩亚莉 王超 张锋 Han Yali;Wang Chao;Zhang Feng(Taizhou Institute of Metrology Technology,Taizhou 318000)

机构地区：[1]台州市计量技术研究院,台州市318000

出　　处：《仪器仪表标准化与计量》2025年第1期29-31,共3页Instrument Standardization & Metrology

摘　　要：本文对差压式孔板流量计及其配套的二次仪表流量积算仪依据JJF 1059.1-2012《测量不确定度评定与表示》进行瞬时流量的不确定度评定,通过评定对孔板流量计在理论流量值计算中存在的误差进行分析,为孔板流量计的日常使用及维护提供理论支撑。The paper evaluates the uncertainty of instantaneous flow rate for the secondary instrument of differential pressure orifice flowmeter according to JJF 1059.1-2012 Evaluation and Representation of Measurement Uncertainty,and analyzes the errors in the theoretical flow rate calculation of orifice flowmeter.

关 键 词：流量积算仪 孔板流量计 不确定度评定 误差分析 

分 类 号：TH814[机械工程—仪器科学与技术]