CHIRAG TRIVEDI

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francis-turbin-1

Hydro Turbine

GROUP

scope

Applied research | Fundamental research


  • Francis turbine
  • Kaplan turbine
  • Pump-turbine
  • Pelton turbine
  • Mixed flow pump
  • Axial flow pump

Hydrofoil

Francis runner laboratory model

Methods

  • Experimental
    • Pressure
    • Strain
    • Velocity (PIV)
  • Computational fluid dynamic (CFD)
  • Fluid structure interaction (FSI)

Turbulence modelling

  • Standard RANS modelling
  • Scale adaptive modelling
  • Scale resolve modelling
  • Large eddy simulations
  • Quasi-dns modelling

Turbine operation

  • Steady state
    • Performance analysis
    • Runaway
    • Speed-no-load
  • Transient
    • Ramping
    • Start-stop
    • Total load rejection
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Phenomena

  • Vortex breakdown
    • Inception of vortex structure in guide vane and blade passages
    • Draft tube vortex
    • Stochastic vortex
  • Rotor stator interaction
  • Rotating stall
  • Multiphase
    • Cavitation
    • Sediment erosion

Vibration and fatigue loading

  • Resonance
  • Hydrodynamic damping
  • Boundary layer and interface
  • Fatigue loading (high cycle and low cycle)
  • Crack inception
    • Fixed amplitude loading
    • Variable amplitude loading
    • Random loading
  • Fracture mechanics
  • Distinct flow in labyrinth seals

Developing the next-generation of hydropower technology

Scientific excellence