Effects of a Nonuniform Tip Clearance Profile on the Performance and Flow Field in a Centrifugal Compressor

Table 1

Geometrical specification.

Impeller
Number of blades	15
Blade backsweep angle	38^°
Exit radius	135 mm
Inlet hub radius	30 mm
Inlet shroud radius	72.9 mm
Exit blade height	11 mm
Diffuser
Constant diffuser height	11.1 mm
Exit radius	345 mm