CFD Images

Flow analysis in all parts of water turbines

Performed during the PEGAS project by Turboinstitut Ljubljana and the use of CFX-TASCFLOW software.


Kaplan turbine
Spiral casing of Francis turbine with stay vanes
Velocity distribution in spiral casing of Francis turbine
Pressure distribution in spiral casing
Velocity vectors between stay vanes
Spiral casing of Kaplan turbine
Optimisation of stay vanes
- velocity distribution
- original stay vanes
Optimisation of stay vanes
- velocity distribution
- improved stay vanes
Tandem cascade
Computational domain of tandem cascade
Francis runner with stream lines
Computational domain of Francis runner
Measuring traverses in Francis Turbine
Comparison of experimental and numerical results in Francis Turbine
Flow in Kaplan runner
Computational domain of Kaplan runner
Measuring traverse in Kaplan Turbine
Comparison of experimental and numerical results in Kaplan Turbine
Measurements of efficiency in Kaplan Turbine
Stator rotor interaction
Optimisation of draft tube
- velocity distribution
- original draft tube
Optimisation of draft tube
- velocity distribution
- draft tube with horizontal pier
Influence of the piers on efficiency of Kaplan Turbine
S type draft tube with stream lines
Computational domain of draft tube
Comparison of efficiency and power charasteristics
between old and refurbished Francis turbine runner