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Open AccessTechnical Note

Simplified Indirect Estimation of Pump Flow Discharge: An Example from Serbia

1
Faculty of Electronic Engineering, University of Niš, 18000 Niš, Serbia
2
Research and Development Centre “IRC Alfatec”, 18000 Niš, Serbia
3
IT4Innovations, VSB—Technical University of Ostrava, 708 00 Ostrava, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editors: Stefano Alvisi and Helena M. Ramos
Water 2021, 13(6), 796; https://doi.org/10.3390/w13060796
Received: 17 December 2020 / Revised: 25 February 2021 / Accepted: 10 March 2021 / Published: 14 March 2021
(This article belongs to the Section Water Use and Scarcity)
In the absence of a flowmeter or due to its inaccuracy, the flow rate at the discharge section of the pipeline following the observed pump can be roughly estimated if the pressure can be measured instead. To use the proposed procedure two main conditions should be achieved: (1) a manometer should be installed at the discharge pipeline between the pump and the flow regulation valve, and (2) the actual curve that relates pressure and flow for the observed pump unit should be known in advance. The described example is from Serbia, but it is of interest for any water pumping station with a submersible pump (installed in wells or tanks) where a limited number of adequate places for the measuring of flow are available (if any are available at all), but where the pressure at the discharge pipe of the observed pump can be measured. This simplified method can find applicability in installations in remote rural regions where limited resources are available. The results show that the calculated values of the flow obtained by the presented method deviate greatly in relation to the measured values provided by the portable ultrasonic flowmeter, up to 60% at one of the measuring points. However, in relation to the measured values provided by the permanently installed flowmeter the discrepancy is significantly lower (0.6–6.8%). View Full-Text
Keywords: pumps; pressure drop; flow estimation; accurate measurement; pipelines; waterworks; flowmeter pumps; pressure drop; flow estimation; accurate measurement; pipelines; waterworks; flowmeter
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MDPI and ACS Style

Rašić Amon, M.; Radić, M.; Stajić, Z.; Brkić, D.; Praks, P. Simplified Indirect Estimation of Pump Flow Discharge: An Example from Serbia. Water 2021, 13, 796. https://doi.org/10.3390/w13060796

AMA Style

Rašić Amon M, Radić M, Stajić Z, Brkić D, Praks P. Simplified Indirect Estimation of Pump Flow Discharge: An Example from Serbia. Water. 2021; 13(6):796. https://doi.org/10.3390/w13060796

Chicago/Turabian Style

Rašić Amon, Milica; Radić, Milan; Stajić, Zoran; Brkić, Dejan; Praks, Pavel. 2021. "Simplified Indirect Estimation of Pump Flow Discharge: An Example from Serbia" Water 13, no. 6: 796. https://doi.org/10.3390/w13060796

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