Stepanoff

which means a possible overloading condition if the system discharge should sud4 1.0 η 0.8 3 0.6 CH, CP 2 0.4 CH 1 η Fig. 11.13 Dimensionless performance curves for a typical axialflow pump, Ns 12,000. Constructed from data given by Stepanoff [8] for a 14-in pump at 690 r/min. 0.2 CP 0 0 0.2 0.4 CQ 0.6 0.8 0 734 Chapter 11 Turbomachinery 1.0 10,000 0.8 300 100 0.6 30 ∞ 1000 η max 0.4 10 Q = 5 gal/min 0.2 Fig. 11.14 Optimum efficiency of pumps versus…