Results 11 to 20 of about 632 (187)
Rehabilitation of Francis Turbines of Power Plants with Computational Methods
Hittite Journal of Science and Engineering, 2018 Rehabilitation of existing hydroelectric power plants HEPP by redesigning the hydraulic turbines is usually more elaborate than designing a tailor-made turbine for a new plant.
Selin Aradag +3 more
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Optimized Reduction in Draft Tube Pressure Pulsation for a Francis Turbine [PDF]
Journal of Applied Fluid MechanicsAs a core component of hydroelectric power generation, the stable and safe operation of the Francis turbine is very important for the operation of the project. Therefore, attention must be paid to the problem of pressure pulsation in the Francis turbine.
J. Lu, R. Tao
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Energies, 2023 To study the influence of the axial installation deviation of the runner on the hydraulic axial force of the 1000 MW Francis turbine unit, geometric models of the full flow passage of the Francis turbine with the runner sinking in the axial direction by ...
Yongsheng Liu +6 more
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Applied Sciences, 2023 This paper focuses on a 1000 MW Francis turbine and conducts a numerical analysis of the entire flow passage using computational fluid dynamics (CFD) under steady-state conditions.
Yifan Wang +6 more
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Experimental Flow Performance Investigation of Francis Turbines from Model to Prototype
Applied SciencesInvestigating the flow performance of Francis turbines from model to prototype is a complex but essential process for ensuring reliable and efficient turbine operation in hydropower plants.
Baig Mirza Umar +2 more
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Innovation of Pump as Turbine According to Calculation Model for Francis Turbine Design
Energies, 2021 The effective utilization of micro hydropower sources is often realized through the use of pumps as turbines (PAT). The efficiency of PAT is about the same as that of the original pump. A further increase in efficiency and power output can be achieved by
Martin Polák
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Applied SciencesFrancis turbines, being widely used in hydropower plants, operate under different loads which significantly affect their hydraulic characteristics and structural dynamics.
Xingxing Huang +4 more
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Energies, 2022 The Francis hydro-turbine is a typical nonlinear system with coupled hydraulic, mechanical, and electrical subsystems. It is difficult to understand the reasons for its operational failures, since the main cause of failures is due to the complex ...
Andrey Achitaev +3 more
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Renmin Zhujiang, 2023 In order to explore the influence of the opening of the movable guide vane on the flow and pressure pulsation in the draft tube of the Francis turbine,the steady and unsteady numerical simulations were carried out by establishing a three-dimensional full-
REN Haibo, YU Bo, WANG Kui, WANG Luobin
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Energies, 2022 This article presents a study on the performance characteristics of a Francis turbine operating with various guide vane openings to determine the best operating point based on unit quantities.
Megavath Vijay Kumar +8 more
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