MANAGING THE WATER USE PLANNING PROCESS IN IRRIGATION SYSTEMS DEPENDING ON THE FLOW REGIME TIME CHANGE

Authors:Olgarenko Vladimir I., Olgarenko Igor V., Olgarenko Vladimir Ig.

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Theme: Land reclamation, water manadgement and agrophysics
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Purpose: to model and substantiate the regularities of flow hydrodynamic processes to ensure a highly efficient solution to a set of problems for both routine and emergency situations during dispatch control.

Materials and methods. The object of the study is the Miusskaya irrigation system of the Rostov region. Fifteen standard elementary sections were identified in the system, limited by the corresponding control structures, for which the required functions for the operational dispatch control of water distribution were calculated. The experiment was conducted in three stages: in the first, the parameters of the steady-state flow regime were determined using the Saint-Venant equations; in the second, the water filling process of a given section was simulated while adjusting the obtained steady-state flow regime; in the third, the time of transition to the steady-state flow regime under conditions of complete water filling of the section at its end point was calculated.

Results. It was found that after 28 minutes, the flow regime becomes quasi-steady, and the interval between the first and second quasi-steady states is 96 minutes. This time interval is most suitable for organizing and implementing a water distribution control cycle.

Conclusions. As a result of the modeling, flow parameters were established for the steady regime, the water filling regime, and the transition to steady flow under conditions of complete filling of the canal section with water at its end point. The conducted series of experimental studies and calculation functions determine the dependencies of hydrodynamic processes to ensure a highly effective solution to a set of problems for both routine and emergency situations under dispatch control, which in turn is decisive for the practical nature of the operation of irrigation systems.

doi: 10.31774/2712-9357-2025-15-4-34-46

Keywords

flow regime, irrigation system operation, water distribution, management tasks, water use, efficiency

For quoting

Olgarenko V. I., Olgarenko I. V., Olgarenko V. Ig. Managing the water use planning process in irrigation systems depending on the flow regime time change. Land Reclamation and Hydraulic Engineering. 2025;15(4):34–46. (In Russ.). https://doi.org/10.31774/2712-9357-2025-15-4-34-46.

Authors

V. I. Olgarenko – Professor of the Department, Doctor of Technical Sciences, Professor, Corresponding Member of Russian Academy of Sciences, Honored Scientist of the Russian Federation, Novocherkassk Engineering and Land Reclamation Institute – branch of the Don State Agrarian University (346428, Rostov Region, Novocherkassk, Pushkinskaya Street, 111), nimi-info@yandex.ru, AuthorID: 580234, ORCID: 0000-0003-4399-997Х;

I. V. Olgarenko – Deputy Director for Science and Innovation, Doctor of Technical Sciences, Associate Professor, Novocherkassk Engineering and Land Reclamation Institute – branch of the Don State Agrarian University (346428, Rostov Region, Novocherkassk, Pushkinskaya Street, 111), nimi-info@yandex.ru, AuthorID: 400173, ORCID: 0000-0002-4865-5642;

V. Ig. Olgarenko – Senior Researcher, Candidate of Technical Sciences, Russian Scientific Research Institute of Land Improvement Problems (346421, Rostov Region, Novocherkassk, Baklanovsky Avenue, 190), olgarenko_vi@mail.ru, AuthorID: 653085, ORCID: 0000-0002-9609-5571.

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