Results 11 to 20 of about 192 (166)

Advanced high‐precision methodology for assessing sediment erosion in Pelton turbine buckets

Energy Science & Engineering
Developing highly accurate sediment erosion testing methods for Pelton turbine overflow components is challenging due to their irregularly curved surfaces.
Bei Qin, Xiao Chang, Jiayang Pang, Zhishun Yu, Jitao Liu, Wanquan Deng, Li Zhang, Bing Yao, Xiaobing Liu   +8 more
doaj   +2 more sources

Numerical simulation of multiphase flow and prediction of sediment wear in a large Pelton turbine

Energy Science & Engineering
The problem of sediment wear presents a significant challenge for hydraulic turbines operating in sediment‐rich rivers, particularly for high‐head Pelton turbines.
Mengjun Qin, Zhishun Yu, Baofu Wu, Jiayang Pang, Dengyun Jiang, Haiku Zhang, Jitao Liu, Hong Hua, Xiaobing Liu   +8 more
doaj   +2 more sources

Effect of sediment erosion on pressure pulsations in a large Pelton turbine

Energy Science & Engineering
Pelton turbines functioning in sandy river environments often encounter difficulties due to the swift movement of sediment particles, leading to erosion and damage to overflow components.
Bing Yao, Yijin Zhou, Baofu Wu, Jiayang Pang, Dengyun Jiang, Haiku Zhang, Jitao Liu, Bei Qin, Xiaobing Liu   +8 more
doaj   +2 more sources

Advances in research on impulse hydro‐turbine technology

River
To accelerate the development of impulse hydro‐turbines and support the efficient utilization of hydropower resources in Southwest China, this paper examines the background, historical development, and research progress of impulse hydro‐turbines.
Xiaochao Li, Ye Zhou, Hao Zhang, Guanglei Xiao, Yanwei Li, Zhongxin Gao, Zhiyang Lu, Shangqi Li   +7 more
doaj   +2 more sources

Parametric Investigation of Pelton Turbine Injector under Hydro-abrasive Erosion Conditions [PDF]

Journal of Applied Fluid Mechanics, 2023
In high-head Pelton turbines, the injector faces severe erosion due to suspended sediment leading to a reduction in turbine efficiency and higher maintenance costs.
N. Shrivastava, A. K. Rai
doaj   +1 more source

How to estimate the weight of hydropower electro-mechanical equipment? Available evidence, novel equations and challenges for engineering applications

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, Riccardo Bergamin, Anton J. Schleiss   +2 more
doaj   +1 more source

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, D. Zambrano, S. Reyes, J. Tapia, M. Egusquiza, E. Egusquiza   +5 more
doaj   +1 more source

Transient 3D CFD Simulation of a Pelton Turbine—A State-of-the-Art Approach for Pelton Development and Optimisation

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, Peter Meusburger, Helmut Benigni   +2 more
doaj   +1 more source

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
doaj   +1 more source

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, Anton Maly, Bernhard Semlitsch, Christian Bauer   +3 more
doaj   +1 more source