Page 97 - Compression Machinery for Oil and Gas

FIG. 3.51 Nondimensional map for multistage compressor.

1500
1250 Speed increase
Axial thrust, lbf (+: Outboard direction) –250 0 0.030 0.035 0.040 0.045 0.050 0.055 0.060 0.065 0.070 0.075
1000
750
500
250

–500
–750
–1000
–1250
–1500
Inlet flow coefficient
FIG. 3.52 Change of axial thrust with operating point.