Research Article

Characterization of Flow Interactions in a One-Stage Shrouded Axial Turbine

Table 2

Boundary conditions.

FluidCombustion gas mixture

Inlet conditionsTotal pressure 1.539 MPa & total temperature = 1335.15 K
Turbulence intensity~5% & length scale = 0.1 × 
Outlet conditionsStatic pressure: Pa
Wall conditionsNGVRotor
VaneNo slip stationary wallBladeNo slip rotating wall
HubNo slip stationary wallHubNo slip stationary wall
ShroudNo slip stationary wallShroudCounterrotating wall
Lateral surfacesPeriodicity
Interface in steady simulationsFrozen and stage interface
Interface in unsteady simulationsTransient rotor/stator interface