A review on operation and maintenance of hydropower plants
Hydropower is one of the renewable energy sources having the highest conversion
efficiency than other renewable energy sources. The hydro turbine is considered as the …
efficiency than other renewable energy sources. The hydro turbine is considered as the …
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 …
operate under critical conditions. The demand for extended operating ranges and the high …
Failure analysis of runner blades in a Francis hydraulic turbine—Case study
A Luna-Ramírez, A Campos-Amezcua… - Engineering Failure …, 2016 - Elsevier
Failure analysis of the moving blades in the runner of a 200 MW Francis type hydraulic
turbine is presented. Analysis consisted of the determination of the pressure on the blade …
turbine is presented. Analysis consisted of the determination of the pressure on the blade …
State-of-the art-powerhouse, dam structure, and turbine operation and vibrations
Dam and powerhouse operation sustainability is a major concern from the hydraulic
engineering perspective. Powerhouse operation is one of the main sources of vibrations in …
engineering perspective. Powerhouse operation is one of the main sources of vibrations in …
Solving the runner blade crack problem for a Francis hydro-turbine operating under condition-complexity
D Zhu, R Tao, R Xiao, L Pan - Renewable energy, 2020 - Elsevier
Runner blade crack is a problem that affects the operation security of hydro-turbines. In this
study, penetrating cracks were found by inspection on the runner blade of a Francis turbine …
study, penetrating cracks were found by inspection on the runner blade of a Francis turbine …
Performance monitoring of kaplan turbine based hydropower plant under variable operating conditions using machine learning approach
Silt is the leading cause of the erosion of the turbine's underwater components during
hydropower generation. This erosion subsequently decreases the machine's efficiency. The …
hydropower generation. This erosion subsequently decreases the machine's efficiency. The …
Flow measurements around guide vanes of Francis turbine: A PIV approach
A guide vane cascade is developed for the study of flow in the distributor of a low specific
speed Francis turbine. Velocity and pressure measurements are done with Reynold's …
speed Francis turbine. Velocity and pressure measurements are done with Reynold's …
Unsteady multi-component simulations dedicated to the impact of the combustion chamber on the turbine of aeronautical gas turbines
C Koupper - 2015 - theses.hal.science
Nowadays, engines powering modern and large commercial or military aircraft essentially
rely on gas turbine technologies. Since the first prototypes built in the 40's, the efficiency and …
rely on gas turbine technologies. Since the first prototypes built in the 40's, the efficiency and …
Fully coupled FSI analysis of Francis turbines exposed to sediment erosion
Sediment erosion is one of the key challenges in hydraulic turbines from a design and
maintenance perspective in Himalayas. The present study focuses on choosing the best …
maintenance perspective in Himalayas. The present study focuses on choosing the best …
Compatibility of characteristic boundary conditions with radial equilibrium in turbomachinery simulations
Setting up outlet boundary conditions in configurations that have a strong rotating motion is
a crucial issue for turbomachinery simulations. This is usually done using the so-called …
a crucial issue for turbomachinery simulations. This is usually done using the so-called …