METHODOLOGY FOR CONDUCTING LABORATORY STUDIES OF A VACUUM SHAFT ENERGY DAMPER

Authors:Alekseev Daniil A., Khanov Nartmir V., Deineko Larisa S., Zhukova Tatyana Yu., Kadyseva Anastasia A.

502/504:627.83
Theme: Current scientific research in the field of land reclamation and hydraulic engineering
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Annotation

Purpose: to develop a methodology for conducting laboratory studies on the Rogun HPP shaft spillway model, aimed at solving the issue of damping the flow energy of the water using a vacuum.

Materials and methods. The choice of the optimal design of the energy damper on the spillway structures is a priority task. At hydraulic spillway structures, in order to maintain optimal parameters of the pools coupling, it is necessary to use various energy damping designs and designs to prevent the vacuum formation on the spillways. Currently, there are a large number of designs performing the role of energy damping, but none of them provides for the possibility of using a vacuum as one of the factors in flow excess energy damping. The use of vacuum processes that can be formed in spillway structures is an alternative solution to energy damping of the water flow by other designs used. The features of the model installation of the Rogun HPP shaft spillway, as well as the methodology for conducting laboratory tests on the spillway model to determine the hydraulic characteristics are discussed.

Results. Based on the experimental studies, the work of the shaft spillway of the Rogun HPP was assessed, including the efficiency of flow energy absorption; the range of flow rates in which the design can be used, and the permissible vacuum characteristics.

Conclusions. The experimental studies conducted for the Rogun HPP shaft spillway model show the possibility of using the research methodology in the process of model experiments.

Keywords

shaft spillways, hydrodynamic pressure, energy dampers, vacuum, flow energy

For quoting

Alekseev D. A., Khanov N. V., Deineko L. S., Zhukova T. Yu., Kadyseva A. A. Methodology for conducting laboratory studies of a vacuum shaft energy damper. Ways of Increasing the Efficiency of Irrigated Agriculture. 2025;96(2):155–170. (In Russ.).

Authors

D. A. Alekseev – Assistant the Chair of Hydraulic Engineering Constructions, Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, Russian Federation, daniil.alekseev@rgau-msha.ru, SPIN-код: 8085-3065, ORCID ID: 0009-0009-1890-3471;

N. V. Khanov – Head of the Department, Doctor of Technical Sciences, Professor the Chair of Hydraulic Engineering Constructions, Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, Russian Federation, khanov@rgau-msha.ru, SPIN-код: 4314-8184, Web of Science ResearcherID: L-1087-2013, SCOPUS Author ID: 6603959022, AuthorID: 464889, ORCID ID: 0000-0002-5764-4734;

L. S. Deineko – Docent the Chair of Hydraulic Engineering Constructions, Candidate of Technical Sciences, Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, Russian Federation, larissa-ser@yandex.ru, SPIN-код: 6185-6320, Web of science ResearcherID: LNR-3276-2024, SCOPUS Author ID: 57202378976, AuthorID: 1096746, ORCID ID: 0009-0000-3989-3350;

T. Yu. Zhukova – Assistant the Chair of Hydraulic Engineering Constructions, Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, Russian Federation, t.zhukova@rgau-msha.ru, ztu-12@mail.ru, SPIN-код: 5357-4597, AuthorID: 1111184, ORCID ID: 0000-0002-9654-3039;

A. A. Kadyseva – Doctor of Biological Sciences, Associate Professor the Chair of Agricultural Water Supply, Water Disposal, Pumps and Pumping Stations, Russian Agrarian University – Moscow Agricultural Academy, Moscow, Russian Federation, kadyseva@mail.ru, SPIN-code: 4485-7332, AuthorID: 698088, ORCID ID: 0000-0001-8703-5684.

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