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 …

Resistance to slurry erosion by WC-10Co-4Cr and Cr3C2− 25 (Ni20Cr) coatings deposited by HVOF stainless steel F6NM

IA Maekai, GA Harmain, JH Masoodi - International Journal of Refractory …, 2022 - Elsevier
Hydroelectric turbine machinery experience extreme wear and tear due to slurry erosion and
is one of the leading causes for the unplanned shutdown of hydro power plants. The …

Numerical investigation of the effect of leakage flow through erosion-induced clearance gaps of guide vanes on the performance of Francis turbines

S Chitrakar, OG Dahlhaug… - … of Computational Fluid …, 2018 - Taylor & Francis
Abrasive wear in the clearance gap of guide vanes (GVs) increases the gap size, which
deteriorates the flow and causes loss of efficiency. This paper investigates the performance …

Influence of microstructure on slurry erosion resistance of medium carbon high silicon steels

A Varshney, A Gaurav, A Jain, G Dwivedi - Wear, 2024 - Elsevier
The present study compares slurry erosion resistance of austempered and tempered
medium carbon high silicon steels. A 0.62 C-1.91 Si-0.85 Mn-0.23 Cr steel was subjected to …

A case study: Sediment erosion in francis turbines operated at the san francisco hydropower plant in ecuador

C Cruzatty, D Jimenez, E Valencia, I Zambrano, C Mora… - Energies, 2021 - mdpi.com
The operation of various types of turbomachines is importantly affected by sediment erosion.
Francis turbines used for power generation typically suffer said effects due to the fact that …

Numerical and experimental investigation of erosive wear in Francis runner blade optimized for sediment laden hydropower projects in Nepal

S Gautam, N Acharya, R Lama, S Chitrakar… - Sustainable Energy …, 2022 - Elsevier
The design of the Francis turbine aims to maximize its performance in terms of efficiency.
This design approach has overlooked effects on the turbine due to sediment erosion for …

An assessment of erosive wear of hydro-turbine steel using statistical modelling and optimisation

IA Maekai, GA Harmain - International Journal of Surface …, 2021 - inderscienceonline.com
The current study pertains to the influence of chosen process parameters on erosive wear of
F6NM stainless steel. Response surface methodology was used to plan experiments …

[PDF][PDF] Influence of operating parameters on slurry erosion of stainless steel f6nm

IA Maekai, GA Harmain - Tribology in Industry, 2020 - tribology.rs
This work is an investigation on slurry erosive wear resistance of stainless steel F6NM used
as hydro-turbine material in Dul-Hasti power plant using erodents collected from the same …

Assessment of the Impact of Big Dams in the Himalayan Mountain Environment System: Management and Sustainability

T Jabeen, M Das, A Sarkar - The Himalayas in the Anthropocene …, 2024 - Springer
Dams are an ancient innovation for irrigational and household requirement purposes.
Nowadays, it is mainly used for irrigation and hydropower electricity generation. Himalayan …

Role of Turbine Testing Lab for overcoming the challenges related to hydropower development in Nepal

HP Neopane, S Chitrakar… - IOP Conference Series …, 2019 - iopscience.iop.org
Repair/maintenance issue in power plants of Nepal is one of the major concerns, which has
become an obstacle for smooth power generation. The rivers in Nepal contain excessive …