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Analysis of research results of the flow in the water passage of the reversible hydraulic machine in the pumping operation mode
(ТОВ "Планета-Прінт", 2021) Drankovskiy, Viktor Eduardovich; Rezvaya, Kseniya Sergeevna; Dubovitskaya, M. S.
To the selection of the calculation parameters of high-head reversible hydraulic machines
(ТОВ "Планета-Прінт", 2020) Drankovskiy, Viktor Eduardovich; Rezvaya, Kseniya Sergeevna; Dubovitskaya, M. S.
Mathematical modeling of hydrodynamic characteristics in the inlet of a reversible hydraulic machine based on mathematical models
(НТУ "ХПИ", 2017) Drankovskiy, Viktor Eduardovich; Rezvaya, Kseniya Sergeevna
Mathematical models that allow determining the hydrodynamic flow characteristics in the inlet of reversible hydraulic machines are considered. The features of the fluid flow are described. An analysis of the operating conditions of a reversible hydraulic machine, carried out during the design of the water passage, is made. Types of energy losses, taking into account the spatial effects of a viscous fluid, are determined. A group of mathematical models, oriented at different stages of design, is developed. A new way to the design of the water passage based on the experimental results is proposed. Specific programs for the design of the water passage of reversible hydraulic machines are considered. Features of mathematical models are defined.