[HTML][HTML] Analysis of emerging technologies in the hydropower sector

I Kougias, G Aggidis, F Avellan, S Deniz… - … and Sustainable Energy …, 2019 - Elsevier
The paper reviews recent research and development activities in the field of hydropower
technology. It covers emerging and advanced technologies to mitigate flow instabilities …

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 …

Effect of transients on Francis turbine runner life: a review

C Trivedi, B Gandhi, CJ Michel - Journal of Hydraulic Research, 2013 - Taylor & Francis
The present electricity market and the injection of power generated using intermittent energy
sources have brought instability in the operation of the power grid. This has resulted in …

Hydro turbine failure mechanisms: An overview

U Dorji, R Ghomashchi - Engineering Failure Analysis, 2014 - Elsevier
Turbine failure not only increases the plant down-time and brings about revenue losses but
also poses a serious threat to the life of the operational and maintenance personnel …

Review of hydrodynamics instabilities in Francis turbine during off-design and transient operations

R Goyal, BK Gandhi - Renewable energy, 2018 - Elsevier
Electricity generation from solar and wind has raised a significant concern about the stability
of grid networks. Hydroelectricity plays an important role to balance the stability of grid …

Analysis of the swirling flow downstream a Francis turbine runner

R Susan-Resiga, G Dan Ciocan, I Anton, F Avellan - 2006 - asmedigitalcollection.asme.org
An experimental and theoretical investigation of the flow at the outlet of a Francis turbine
runner is carried out in order to elucidate the causes of a sudden drop in the draft tube …

Fluid-structure interactions in Francis turbines: A perspective review

C Trivedi, MJ Cervantes - Renewable and Sustainable Energy Reviews, 2017 - Elsevier
Competitive electricity prices and reduced profit margins have forced hydraulic turbines to
operate under critical conditions. The demand for extended operating ranges and the high …

Optimization of axial water injection to mitigate the Rotating Vortex Rope in a Francis turbine

HJ Juposhti, R Maddahian, MJ Cervantes - Renewable Energy, 2021 - Elsevier
Abstract Rotating Vortex Rope (RVR) resulting from flow instabilities inside draft tube affects
the hydraulic turbine's efficiency and wear. Among the passive and active RVR mitigation …

Hydropower: A renewable energy resource for sustainability in terms of climate change and environmental protection

R Siri, SR Mondal, S Das - Alternative Energy Resources: The Way to a …, 2021 - Springer
Hydropower refers to energy conversion from flowing water into electricity. Due to water
recycling by the Sun, hydropower is widely accepted as a form of renewable energy. A …

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 …