... dynamics (CFD) turbine aerodynamic design experimental turbine unsteady measurements A shroudless turbine rotor necessitates a gap between the rotor tip and the casing to prevent rubbing during rotation. The gap, however, enables the flow at the pressure surface (PS) of the rotor to migrate...

..., the OPCT was tested under the distorted inflow with a 9% composite distortion index; it can still improve the stall margin by 6.19% with an efficiency gain of 1.63% at the 100% design speed. The unsteady measurement results indicate that the location of the shock wave obviously moves forward toward...