Computational fluid dynamics modelling of liquid–solid slurry flows in pipelines: State-of-the-art and future perspectives

GV Messa, Q Yang, OE Adedeji, Z Chára, CAR Duarte… - Processes, 2021 - mdpi.com
Slurry pipe transport has directed the efforts of researchers for decades, not only for the
practical impact of this problem, but also for the challenges in understanding and modelling …

Review on numerical techniques applied in impulse hydro turbines

S Chitrakar, BW Solemslie, HP Neopane… - Renewable energy, 2020 - Elsevier
Impulse turbines are widely used in hydropower plants around the world due to their high
efficiency in a larger operating range compared to reaction turbines. State of the art Pelton …

冲击式水轮机技术进展与发展趋势

罗兴锜, 戈振国, 朱国俊, 冯建军 - 水力发电学报, 2023 - slfdxb.cn
与反击式水轮机相比, 冲击式水轮机有着应用水头高和高效率工况范围宽的优点,
是开发高水头水电能源的核心装备. 然而, 冲击式水轮机内部为开放式, 多相非稳态流场 …

Sediment erosion in low specific speed francis turbines: A case study on effects and causes

S Gautam, HP Neopane, N Acharya, S Chitrakar… - Wear, 2020 - Elsevier
Hydraulic turbines experience severe operational and maintenance challenges when
operated in sediment-laden water. The combined effect of erosive and abrasive wear in …

Experimental and numerical studies on opening and velocity influence on sediment erosion of Pelton turbine buckets

X Ge, J Sun, Y Zhou, J Cai, H Zhang, L Zhang, M Ding… - Renewable Energy, 2021 - Elsevier
Sediment erosion of Pelton turbines seriously damage the economic benefits and safe
operation of the power station under the high head. The gas-liquid-solid three-phase …

Hydro-abrasive erosion in Pelton turbine injectors: A numerical study

GV Messa, S Mandelli, S Malavasi - Renewable energy, 2019 - Elsevier
Numerical simulations were performed to investigate how the design and the operation
conditions of a Pelton turbine injector affect its vulnerability to hydro-abrasive erosion …

Sediment erosion on pelton turbines: a review

X Ge, J Sun, D Chu, J Liu, Y Zhou, H Zhang… - Chinese Journal of …, 2023 - Springer
The Pelton turbine has been widely used to develop high-head water resources with
sediments because of its advantages in life cycle costs. When a flood or monsoon season …

编辑部推荐论文: 冲击式水轮机转轮水斗汛期泥沙磨损特性分析

李彦浩, 朱逸林, 肖业祥, 刘洁, 梁权伟, 李海军 - 水力发电学报, 2024 - slfdxb.cn
泥沙磨损是冲击式水轮机水力部件失效的主要原因之一, 特别是在汛期时, 过机泥沙含量会大幅
增加, 而转轮水斗表面的挟沙三相流动过程复杂, 其磨损问题会更为严重. 本文以规划建设的西藏 …

Effect and mechanism of erosion in Pelton turbine and case studies—A review

L Han, C Guo, FK Osman, D Li, H Wang, Y Liu… - Physics of …, 2024 - pubs.aip.org
Pelton turbines are widely used in hydropower stations located in mountainous regions,
especially with water head drop of more than 2000 m. Due to the complex structure and …

Multiscale simulation of erosive wear in a prototype-scale Pelton runner

S Leguizamón, S Alimirzazadeh, E Jahanbakhsh… - Renewable Energy, 2020 - Elsevier
The technical capacity to predict the erosion process is instrumental for the optimization of
the runner designs and operation strategies of hydroelectric plants. A multiscale model of …