Flow measurements in non-standard conditions
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The flow rate of water, and the accuracy used to measure it, is important to know. Numerous international and national standards exist, defining the conditions for flow measurement. However, the needed “standardized flow conditions” are often impossible to satisfy in field and they can be used just as guidance. This paper presents four cases with such non-standard conditions, where the author had to perform the flow rate measurement. For each case the approach used is explained, the results obtained are given and the achieved accuracy is assessed. All measurements were performed using electromagnetic (EM) velocity measurement probes, specifically designed to suit local conditions. Parallel to direct velocity measurement, CFD (Computational Fluid Dynamics) was used to analyse the flow conditions and get better insight into the flow field, with an idea to extract the data from modelled flow field in order to perform the flow meter calibration. Throughout the presented cases, which cover ...last two decades, clear developments of both hardware and knowledge can be seen.
Ključne reči:
flow measurement / non-standard conditions / Electromagnetic probes / CFDIzvor:
Civil Engineering 2021, Achievements and Visions, 2021, 161-181Izdavač:
- Građevinski fakultet Univerziteta u Beogradu
Napomena:
- Proceedings of the International Conference celebrating 175th Anniversary of the Faculty of Civil Engineering, University of Belgrade; Editors: Vladan Kuzmanović and Ivan Ignjatović; Book of proceedings available at: https://www.grf.bg.ac.rs/p/docs/ostalo/zbornik_gra_evinarstvo_2021_1635763208136.pdf
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GraFarTY - CONF AU - Prodanović, Dušan PY - 2021 UR - https://grafar.grf.bg.ac.rs/handle/123456789/2500 AB - The flow rate of water, and the accuracy used to measure it, is important to know. Numerous international and national standards exist, defining the conditions for flow measurement. However, the needed “standardized flow conditions” are often impossible to satisfy in field and they can be used just as guidance. This paper presents four cases with such non-standard conditions, where the author had to perform the flow rate measurement. For each case the approach used is explained, the results obtained are given and the achieved accuracy is assessed. All measurements were performed using electromagnetic (EM) velocity measurement probes, specifically designed to suit local conditions. Parallel to direct velocity measurement, CFD (Computational Fluid Dynamics) was used to analyse the flow conditions and get better insight into the flow field, with an idea to extract the data from modelled flow field in order to perform the flow meter calibration. Throughout the presented cases, which cover last two decades, clear developments of both hardware and knowledge can be seen. PB - Građevinski fakultet Univerziteta u Beogradu C3 - Civil Engineering 2021, Achievements and Visions T1 - Flow measurements in non-standard conditions EP - 181 SP - 161 UR - https://hdl.handle.net/21.15107/rcub_grafar_2500 ER -
@conference{ author = "Prodanović, Dušan", year = "2021", abstract = "The flow rate of water, and the accuracy used to measure it, is important to know. Numerous international and national standards exist, defining the conditions for flow measurement. However, the needed “standardized flow conditions” are often impossible to satisfy in field and they can be used just as guidance. This paper presents four cases with such non-standard conditions, where the author had to perform the flow rate measurement. For each case the approach used is explained, the results obtained are given and the achieved accuracy is assessed. All measurements were performed using electromagnetic (EM) velocity measurement probes, specifically designed to suit local conditions. Parallel to direct velocity measurement, CFD (Computational Fluid Dynamics) was used to analyse the flow conditions and get better insight into the flow field, with an idea to extract the data from modelled flow field in order to perform the flow meter calibration. Throughout the presented cases, which cover last two decades, clear developments of both hardware and knowledge can be seen.", publisher = "Građevinski fakultet Univerziteta u Beogradu", journal = "Civil Engineering 2021, Achievements and Visions", title = "Flow measurements in non-standard conditions", pages = "181-161", url = "https://hdl.handle.net/21.15107/rcub_grafar_2500" }
Prodanović, D.. (2021). Flow measurements in non-standard conditions. in Civil Engineering 2021, Achievements and Visions Građevinski fakultet Univerziteta u Beogradu., 161-181. https://hdl.handle.net/21.15107/rcub_grafar_2500
Prodanović D. Flow measurements in non-standard conditions. in Civil Engineering 2021, Achievements and Visions. 2021;:161-181. https://hdl.handle.net/21.15107/rcub_grafar_2500 .
Prodanović, Dušan, "Flow measurements in non-standard conditions" in Civil Engineering 2021, Achievements and Visions (2021):161-181, https://hdl.handle.net/21.15107/rcub_grafar_2500 .