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New metrological capabilities for measurements of dynamic liquid flows
PTB Physikalisch-Technische Bundesanstalt, Germany.
PTB Physikalisch-Technische Bundesanstalt, Germany.
Centre Technique des Industries Aérauliques et Thermiques, France.
FORCE Technology, Denmark.
Vise andre og tillknytning
2022 (engelsk)Inngår i: Metrologia, ISSN 0026-1394, E-ISSN 1681-7575, Vol. 59, nr 2, artikkel-id 025007Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The capability to calibrate flow and volume devices dynamically has gained increasing interest over the years. Within the scope of the EMPIR project 17IND13 'Metrology for real-world domestic water metering', several test rigs were developed with which dynamic flow profiles can be generated and measured that reflect characteristics of real-world drinking water consumption. The dynamic component of the test rigs is realized based on different technologies such as valves, cavitation nozzles or piston provers. For validation purposes, an intercomparison of the test rigs was carried out in the scope of an EURAMET pilot study no. 1506. Between September 2020 and February 2021, a transfer standard specially developed for the intercomparison was calibrated at eight laboratories. The measurement error was determined for three dynamic flow profiles representative of drinking water consumption in Europe. In addition to determining the measurement errors and the degree of equivalence, five additional key parameters were derived to characterize the test rig properties: (1) repeatability of the profile measurements, (2) mean value of the residuals, (3) deviation between measured total mass and total mass resulting from the given profile and (4) duration of the flow change for an increasing change (5) and duration of the flow change for a decreasing change. These key parameters comprehensively describe the quality with which the dynamic flow profiles were generated and measured on the test rigs and can be used for evaluations in future intercomparisons of this kind. A main outcome of the intercomparison is that there is no technology to be preferred in terms of technical implementation. All test rigs agree well with each other, taking into account their expanded measurement uncertainties. 

sted, utgiver, år, opplag, sider
IOP Publishing Ltd , 2022. Vol. 59, nr 2, artikkel-id 025007
Emneord [en]
dynamic liquid flow rates, test rigs with dynamic measurement capabilities, validation through inter-facility intercomparison, Flow rate, Measurement errors, Parameter estimation, Uncertainty analysis, Dynamic flows, Dynamic liquid flow rate, Dynamic measurement, Flow profile, Intercomparisons, Liquid flow rates, Real-world, Test rig with dynamic measurement capability, Test rigs, Potable water
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Identifikatorer
URN: urn:nbn:se:ri:diva-59235DOI: 10.1088/1681-7575/ac566eScopus ID: 2-s2.0-85128428570OAI: oai:DiVA.org:ri-59235DiVA, id: diva2:1661048
Merknad

 Funding details: European Metrology Programme for Innovation and Research, EMPIR; Funding details: Horizon 2020; Funding text 1: This project 17IND13 MetroWaMet has received funding from the EMPIR programme co-financed by the participating states and from the European Unions Horizon 2020 research and innovation programme.

Tilgjengelig fra: 2022-05-25 Laget: 2022-05-25 Sist oppdatert: 2022-06-13bibliografisk kontrollert

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