Results 11 to 20 of about 38,835 (280)
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Influence of the boundary conditions on the natural frequencies of a Francis turbine [PDF]
, 2016 Natural frequencies estimation of Francis turbines is of paramount importance in the stage of design in order to avoid vibration and resonance problems especially during transient events.
Bossio, Matias +5 more
core +1 more source
Modeling of the dynamic response of a Francis turbine [PDF]
, 2012 The paper presents a detailed numerical model of the dynamic behaviour of a Francis turbine installed in a hydroelectric plant. The model considers in detail the Francis turbine with all the electromechanical subsystems, such as the main speed governor,
P.Pennacchi, S.Chatterton, A.Vania
core +1 more source
Вдосконалення робочого процесу гідротурбін та систем їх регулювання [PDF]
, 2019 The paper provides the detail analysis of the causes of various types of the vortex motion of the turbulent flow in the inlet parts of the turbine and in the inter-blade channels of the runner.
Gasiyk, Alexander +3 more
core +1 more source
Adjustable speed operation of a hydropower plant associated to an irrigation reservoir [PDF]
, 2008 This paper deals with the issue of adjustable speed operation (ASO) of hydropower plants. The main idea of this technique is to allow the turbine speed to change in accordance with hydraulic conditions, thus improving the overall unit efficiency. General
Bartle +7 more
core +2 more sources
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
doaj +1 more source
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
doaj +1 more source