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-laden flow and erosion modeling in a Pelton turbine injector

B Guo, Y Xiao, AK Rai, J Zhang, Q Liang - Renewable Energy, 2020 - Elsevier
A major challenge in the operation and development of the high-head water resources,
especially in the mountains with high sediment yield, is the erosion of Pelton turbine …

Assessment of erosive wear of Pelton turbine injector: Nozzle and spear combination–A study of Chenani hydro-power plant

MZU Din, GA Harmain - Engineering Failure Analysis, 2020 - Elsevier
This study concerns with erosion of Pelton turbine injector ie (nozzle spear tribo pair) by
sediment particles for a typical power plant located in Himalayan belt of Jammu and Kashmir …

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 …

Nozzle Jet Deviation from Bucket Pitch Circle's Effect on the Stability and Efficiency of Pelton Turbine

H Deng, K Song, F Deng, Y Huang, T Luo, Y Zhou… - Processes, 2023 - mdpi.com
During the operation of a Pelton turbine, the centerline of the nozzle jet may deviate from the
bucket pitch circle due to the low installation and maintenance accuracy, which will reduce …

SPH method used for characteristic predictions at Pelton turbine buckets: comparing with the mesh-based method

J Sun, XF Ge, Y Zheng - Engineering Computations, 2023 - emerald.com
Purpose The research in this paper helps to understand the difference between the Eulerian
method and the Lagrangian method in describing the performance of Pelton turbine buckets …

Laser Doppler Anemometry technique to study the flow field in the nozzle and in the water jet of a Pelton turbine

GR Pisaturo, FF Nicolosi, D Gusmerotti… - Journal of Physics …, 2023 - iopscience.iop.org
The constant availability of water from the mountain basins is crucial to feed the hydropower
plants that currently represent the most important renewable energy source in many …

冲击式水轮机喷射机构空化特性模拟研究.

葛新峰, 孟涵, 孙洁, 何涛, 黄金伟… - China Rural Water & …, 2023 - search.ebscohost.com
空化空蚀的存在对水轮机的运行十分不利, 不仅会降低水轮机的出力和效率,
破坏水轮机的过流部件, 严重情况时会导致水轮机不能安全稳定运行. 对空化位置的准确识别有 …

Velocity profiles in a water jet of a Pelton nozzle: CFD simulations on both 2D and 3D geometries

D Stivala, M Rossi, M Renzi - IOP Conference Series: Earth and …, 2021 - iopscience.iop.org
Hydropower is an important energy sector deployed all over the World with a significant
share in the global electricity production. Due to the ongoing climate changes, the lack of …