Diffuser for centrifugal compressor

摘要

A diffuser ( 30 ) for a centrifugal compressor ( 60 ) having a flow slot ( 34 ) formed between the leading edge portion ( 36 ) of a diffuser vane ( 32 ) and an adjoining diffuser wall ( 70 ) for the passage of working fluid ( 67 ) over the vane from the pressure side (( 40 ) to the suction side ( 42 ) of the vane. The portion ( 38 ) of the working fluid passing over the vane is injected into the flow boundary region ( 43 ), thereby minimizing the growth of a flow separation zone ( 58 ) along the suction side.