Turbomachines

❰❰ Turbine Aerothermodynamics ❱❱

Simulation of isolated components

  • Unsteady Reynolds-averaged Navier-Stokes (URANS)

  • Stress-Blended Eddy Simulation (SBES)

  • Nozzle Guide Vanes & Rotor blade

  • Inlet non-uniformity (Hot-streak, Residual swirl...)

  • Technological effects (disk cavity, squealer tip...)

Simulation of high pressure turbine stage

  • Unsteady Reynolds-averaged Navier-Stokes (URANS)

  • Hot-streak migration through the stage

  • Secondary flows visualization

  • Losses quantification

❰❰ Hydraulic Pump-Turbines ❱❱

Simulation of stansient operational regime

  • Scale Adaptive Simulation (SAS)

  • Turbine mode (improving S-shaped characteristic curve)

  • Pump mode (characterizing of the hump phenomenon)

  • Design of components (Spiral case, Guide vanes, Runner and Draft tube)

❰❰ Axial compressor ❱❱

Control of corner vortex separation

  • Reynolds-averaged Navier-Stokes (RANS)

  • Active control (blowing & suction)

  • Losses quantification

  • Control base on surface flow topology characterization