A review on fatigue damage mechanism in hydro turbines

X Liu, Y Luo, Z Wang - Renewable and Sustainable Energy Reviews, 2016 - Elsevier
Well knowing a good-running hydraulic turbine has important operational and financial
benefits to those who operate a plant. Fatigue damage is the most fundamental failure type …

The twelve principles of green tribology: studies, research, and case studies—a brief anthology

M Freschi, A Paniz, E Cerqueni, G Colella, G Dotelli - Lubricants, 2022 - mdpi.com
Sustainability has become of paramount importance, as evidenced by the increasing
number of norms and regulations concerning various sectors. Due to its intrinsic trans …

Fatigue life estimation of Francis turbines based on experimental strain measurements: Review of the actual data and future trends

A Presas, Y Luo, Z Wang, B Guo - Renewable and Sustainable Energy …, 2019 - Elsevier
Due to the massive entrance of new renewable energies such as wind or solar, hydraulic
turbines have to work far from its designed point and withstanding multiple transients, such …

Fatigue strength prediction of laser powder bed fusion processed Inconel 625 specimens with intentionally-seeded porosity: Feasibility study

JR Poulin, A Kreitcberg, P Terriault… - International Journal of …, 2020 - Elsevier
Inconel 625 fatigue testing specimens with different levels of intentionally-seeded porosity in
their gauge section (≤ 0.1, 0.3, 0.9 and 2.7%) were manufactured by laser powder bed …

[HTML][HTML] Measurements and prediction of extreme defect distributions for fatigue assessment in multi-pass weld of 13% Cr–4% Ni alloy for hydraulic turbines

A D'Andrea, M Gagnon, S Beretta, P Bocher - International Journal of …, 2024 - Elsevier
Flux cored arc welding (FCAW) is a manufacturing process commonly used for hydro-turbine
application, especially in the assembly of Francis runners made of 13% Cr–4% Ni stainless …

A probabilistic Kitagawa-Takahashi diagram for fatigue strength assessment of cast aluminium alloys

R Aigner, S Pusterhofer, S Pomberger, M Leitner… - Materials Science and …, 2019 - Elsevier
Aluminium cast components containing intrinsic flaws were investigated in terms of fatigue
strength. Therefore, quasi-static, fracture mechanical and fatigue tests were conducted at …

Reliability assessment of non-destructive testing (NDT) for the inspection of weld joints in the hydroelectric turbine industry

ME Bajgholi, G Rousseau, M Viens, D Thibault… - … International Journal of …, 2023 - Springer
Due to the importance of energy production, it is critical to reduce unnecessary or
unpredicted power generation equipment outages. As a major power generation company …

Rainflow-counting matrix interpolation over different operating conditions for hydroelectric turbine fatigue assessment

QH Pham, M Gagnon, J Antoni, A Tahan, C Monette - Renewable Energy, 2021 - Elsevier
The measurement of stress/strain on blade plays an essential role in the fatigue assessment
of the hydroelectric turbine runner. However, a typical measurement campaign does not …

On the use of neural networks for dynamic stress prediction in Francis turbines by means of stationary sensors

A Presas, D Valentin, W Zhao, M Egusquiza, C Valero… - Renewable Energy, 2021 - Elsevier
Nowadays, one of the major mechanical issues of hydraulic turbines and particularly Francis
turbines are the failures produced by fatigue. Due to the massive entrance of new renewable …

Fatigue analysis in rotor of a prototype bulb turbine based on fluid-structure interaction

J Cao, H Tian, SH Ahn, W Duo, H Bi, L Zhao… - Engineering Failure …, 2022 - Elsevier
Bulb turbine units are widely used in run-of river or dam projects with relatively low head,
and can also be used for tidal energy utilization. Some types of bulb turbines have excessive …