Stall Margin Improvement in a Centrifugal Compressor through Inducer Casing Treatment

Figure 14

Impeller blade loading at three spanwise locations of 20%, 50%, and 90% from hub wall at near-design and stall mass flow rate.

(a) Blade loading at near-design mass flow rate (2 kg/s)

(b) Blade loading at stall mass flow rate (1.43 kg/s)