The calculation of the uncertainty of the orifice-plate discharge coefficient

被引：13

作者：

Reader-Harris, Michael ^{[1
]}

Forsyth, Claire ^{[1
]}

Boussouara, Tariq ^{[1
]}

机构：

[1] Natl Engn Lab, Glasgow G75 0QU, Lanark, Scotland

来源：

FLOW MEASUREMENT AND INSTRUMENTATION | 2021年 / 82卷

基金：

欧盟地平线“2020”;

关键词：

Orifice plate; Differential pressure meter; Uncertainty;

D O I：

10.1016/j.flowmeasinst.2021.102043

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The uncertainty of the orifice-plate discharge coefficient given by the Reader-Harris/Gallagher (1998) Equation has been calculated taking account of the uncertainty of the data on which it is based and of the variability in manufacture permitted by ISO 5167-2. This work has shown that using the correct method to determine the uncertainty in ISO 5167-2 has made an insignificant difference to the value given in the standard. However, in other similar cases where the uncertainty for an artefact is based on data from other similar artefacts the uncertainty values obtained by the correct method may be significantly different from those by the incorrect method.

引用

页数：10

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