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Title: MODERN METHODS OF DETERMINING OF THE MOMENTS WATER QUALITY. COMPARING THE RESULTS WITH TRADITIONAL METHOD
MODERN METHODS OF DETERMINING OF THE MOMENTS WATER QUALITY. COMPARING THE RESULTS WITH TRADITIONAL METHOD

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Plamen Angelov; Borislav Vuchkov; Maya Rankova
10.5593/sgem2024/3.1/s12.19
10.5593/sgem2024/3.1
1314-2704
978-619-7603-70-5
English
24
3.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Hydrology and Water Resources
Hydrometric propeller methods, is device that responds and measuring the velocity of the water current at the point where its sensor axis is located. Mechanical hydrometric propellers are widely used in our country, in which the current causes rotation of a screw vane with an angular velocity proportional to the velocity of the current, in this method the depth of the river profile must be taken into account in order to comply with the measurement condition in 1, 2, or 3 points namely 0.2h, 0.6h and 0.8h, h-depth of flow [2] .
In the present topic, a comparison will be made between a hydrometric propeller, a device for measuring speeds and depths based on the principle of magnetic induction. Graphs, tables and conclusions from field measurements will be presented. The device will be compared measures water velocity by using Faraday's principle of magnetic induction. This allows measurement of low velocities without rotating parts. The research will help solve problems during operational work (field work), will aim to show fast, accurate results in determining water quantities, shortening measurement time, using the device at low water levels, at small flows.
[1] Monev E S., Engineering Hydrology and Hydraulics - Hydrological and Hydraulic Calculations, Water Supply Equipment, Correction, Drainage, Inspection and Targeting of Overflow Systems. 1998.
[2] Angelov P A., Contemporary Devices for Measurеment of Water Discharge in Open Flows. 2017. 44-52,
[3] Marinov, I., Mandanzhiev, D., Gerasimov G., Pechinov, D., Hydrological handbook. Part I. Technica State Publishing House. 415 p. 1979.
[4] Guide to Hydrological Practice, WMO, 168, 1994.
[5] Rantz, S. E., et al., Measurement and Computation of Streamflow. USGS Water Supply Paper 2175. http://water.usgs.gov/pubs/wsp/wsp2175/index.html) 1982.
[6] Carter, R.W. and I.E. Anderson, Accuracy of current-meter measurements. Journal of Civil Engineers, ASCE, v. 89, no. HY4, p. 105-115. 1963.
[7] US Bureau of Reclamation, Water Measurement Manual, Third Edition. (available online at https://www.usbr.gov/tsc/techreferences/mands/wmm),1997.
[8] Young, K.B., A comparative study of mean-section and mid-section methods for computations of discharge measurements. USGS open-file report, 52 p. 1950.
The paper is based on research project "Determination of the amount of water in open rivers and canals using the velocity-area method”. The purpose of this article is to compare two different measuring devices to see what results they will show. A river with a flat bottom was chosen, but the peculiarity here is when measuring without wading from a bridge and by entering the water (wading). The results are in tables 2, 3, a very small difference. Accuracy of current-meter measurements is 1 present. This once again shows that modern methods are reliable and can be used as correct measuring tools. Thanks to the colleagues who showed patience in the rainy weather during the measurement.
conference
https://doi.org/10.5593/sgem2024/3.1/s12.19
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 1 - 07 July, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
157-164
1 - 07 July, 2024
website
9685
water flow, quantities, speed, measurement, magnetic induction

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