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Affinity laws airfoil section angle of attack approximate aspect ratio assumed axial adjustment blade angle blade section bowl capacity cavitation characteristics chord chronous circle diagram closed impeller computed conventional synchronous machine curve deepwell turbine pumps DESIGN OF PROPELLER diameter double-speed machine dynamic clearance effective relative velocity elongation equations feet of fluid feet per second flow friction guide vanes Hydraulic efficiency inches increases induction machine induction motor justment leakage Lift coefficient lift force load losses low pressure areas number of poles obtained operating output overload peller polyphase power factor propeller pumps pumps and fans radius reactance reactive volt amperes reduced Reynolds number rotor structure rotor voltage semiopen impeller shaft shows single airfoils specific speed static clearance stator flux synchronous speed tangential component terminal watts tion tional synchronous machine torque UNIVERSITY OF CALIFORNIA vector diagram wear winding