CFD Modelling of a Centrifugal Compressor with Experimental Validation through Radial Diffuser Static Pressure Measurement

Table 1

The main design parameters.

Mass flow [kg/s]	1.8
Specific speed	0.70
Rotational speed [1/s]	461
Impeller outlet radius [mm]	271
Diffuser outlet radius [mm]	542
Blade backsweep at the impeller outlet [°]	40
Blade height at the impeller exit [mm]	12.2
Diffuser height [mm]	10.3
Number of full and splitter blades	9 + 9