Results 11 to 20 of about 124,199 (205)
Erosion on Pelton turbines [PDF]
, 2023 Global warming is changing rainfall patterns to become more intense and shorter induration, in tropical areas, which affects river flow and sediment levels that interact with hydropower turbines. This results in erosion conditions challenges more frequently, and most of the new large-scale projects worldwide are located on rivers with high sediment ...
Abregu, Jim
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, 2013 The flow in Pelton turbines is subsonic, turbulent, multiphase (water, air, and water vapor from cavitation), has high speeds, sharp gradients, free surface and dynamic boundary conditions. A static grid is unsuitable for modeling this mainly due to the turbine wheel and the liquid having a non-stationary relative motion.In recent times, significant ...
Furnes, Kjartan
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, 2016 This book concerns the theoretical foundations of hydromechanics of Pelton turbines from the engineering viewpoint. For reference purposes, all relevant flow processes and hydraulic aspects in a Pelton turbine have been analyzed completely and ...
Zhang, Zhengji
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Study of the dynamic behavior of Pelton Turbines [PDF]
, 2023 The future of hydropower is tied to the rapid increase of new renewable energies, such as photovoltaic and wind energy. With the growing share of intermittent electricity production, the operation of hydropower installations must be more flexible in order to guarantee the balance between supply and demand.
Egusquiza Montagut, Mònica
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State of the art in numerical modeling of Pelton turbines
, 2015 Pelton turbine (or Pelton wheel) is among the most efficient impulse turbines and has retained its existence in hydropower for well over a century. However unlike in the development of the reaction turbines, where Computational Fluid Dynamics (CFD) have ...
Zidonis, Audrius, Aggidis, George
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Results in Engineering, 2023 In the hydropower sector, the weight of electro-mechanical equipment is an important input data. During the design stage, it allows to estimate material cost, to perform Life Cycle Assessments and to consider adequate load factors on the supporting ...
Emanuele Quaranta +2 more
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Dynamic Model for Axial Motion of Horizontal Pelton Turbine and Validation in Actual Failure Case
Shock and Vibration, 2020 Pelton turbines are important machines for power generation from a renewable energy source such as water. For power rates below 20 MW, the rotor of Pelton turbines is usually in horizontal position.
C. G. Rodriguez +5 more
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International Journal of Turbomachinery, Propulsion and Power, 2023 The complex flow conditions in Pelton turbines make it challenging to gain detailed insight into the local flow processes. However, CFD methods offer vast potential for developing and optimising Pelton turbines due to these flow conditions.
Lukas Sandmaier +2 more
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OPTIMIZATION OF PELTON TURBINE BUCKET DESIGN FROM COMPOSITE RESIN USING SOLIDWORKS
Jurnal Teknik Mesin, 2023 The Pelton turbine is a type of water turbine whose working principle utilizes the potential energy of water which is converted into kinetic energy through a nozzle.
Fadth Rizky Damanik, Muhamad Fitri
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Numerical Investigation of Pelton Turbine Distributor Systems with Axial Inflow
Energies, 2023 In an agile power grid environment, hydroelectric power plants must operate flexibly to follow the demand. Their wide operating range and high part-load efficiencies allow for multi-injector Pelton turbines to fulfil these demands as long as the water ...
Franz Josef Johann Hahn +3 more
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