Results 1 to 10 of about 632 (187)
Energies, 2016 Hydraulic turbines are widely used to meet real-time electricity demands. Computational fluid dynamic (CFD) techniques have played an important role in the design and development of such turbines. The simulation of a complete turbine requires substantial
Chirag Trivedi +2 more
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Modernization of Francis Water Turbine
Journal of the Mechanical Behavior of Materials, 2000 Obretenov, V.S.
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Machines, 2022 The flow characteristics of the draft tube of a Francis turbine have a significant influence on turbine stability. Numerical simulations were performed for a Francis turbine under three different output conditions of 20%, 100%, and 120% at the rated and ...
Lei Ji +7 more
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Parameter based tool for Francis turbine guide vanes design using coupled MATLAB - ANSYS approach
Journal of Sustainable Development of Energy, Water and Environment Systems, 2022 The complex geometry of Francis turbine components can be defined parametrically so that automatic optimization techniques based on parametrization can be used. This is convenient for a hydraulic redesign of individual turbine elements.
Marija Lazarevikj +4 more
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Using Artificial Neural Network to Solve Multi-objective Optimization of Francis Turbine Runner
Guan'gai paishui xuebao, 2023 【Background】 Technical renovation of turbine equipment in hydropower plant has attracted increased attention due to its low investment, quick return and high economic benefit.
WANG Rongtao, LAI Xide, CHEN Xiaoming
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OpenFOAM for Francis Turbine Transients
OpenFOAM® Journal, 2021 The flexibility and fast responsiveness of hydropower systems make them a reliable solution to overcome the intermittency of renewable energy resources and balance the electrical grid. Therefore, investigating the complex flow fields during such operation is essential to increase the reliability and lifetime of future hydropower systems.
Salehi, Saeed, Nilsson, Håkan
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Assessment of a Francis Micro Hydro Turbine Performance Installed in a Wastewater Treatment Plant
Energies, 2023 The purpose of this research work was to examine the hydroelectric potential of wastewater treatment plants by harnessing the kinetic and/or potential energy of treated wastewater for electricity generation.
Paweł Tomczyk +4 more
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CFD Investigation for Surface Roughness Effects on the Hydrodynamics of Cavitating Turbulent Flow through a Low Head Prototype Francis Turbine [PDF]
Journal of Applied Fluid Mechanics, 2022 Surface characteristics have an important role in defining hydrodynamics of the flow through hydraulic machines. Surface roughness is a critical parameter that contributes to altering near-wall flow features and promotes frictional losses in various ...
G. Tiwari +3 more
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AIP Advances, 2023 One of the challenges of hydraulic turbine design is the creation of a conveyor with high hydraulic performance in accordance with the parameters of the hydraulic energy.
Xiaoming Chen +4 more
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Machines, 2022 When the Francis-type reversible pump-turbine runs under partial load, the pressure pulsation amplitude and frequency in vaneless space are high, posing a serious threat to the stability of unit operation.
Wanquan Deng +7 more
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