Research Article

Effects of the Shock Wave Structure on the Tip Clearance Leakage Flow in Transonic Compressor Rotors

Table 1

Main parameters of the two rotors.

ParametersDesign values
Rotor37RotorSD

Number of blades36
Rotational speed (rpm)17188
Tip speed (m/s)454
Tip clearance (mm)0.356
Mass flow rate (kg/s)20.19
Total pressure ratio2.10
Isentropic efficiency0.8680.907
Surge margin (%)14.015.4