Section I Primer On Centrifugal Pumps – Pump Fluid Mechanics, Concepts, And Examples – Flow Complexity And Flowpath Geometry – Centrifugal Pump Theory – Pump Impeller Flow And Head Production – Specific Speed And Design Parameters – Centrifugal Pump Configurations – Pump Casing Entrance And Discharge Flow Paths – External And Internal Return Channels Of Multistage – Pumps – Pump Priming – Controls – Pump Performance, Terminology, And Components – Hydraulic Performance And Efficiencies – Intersection Of Pump And System Head–Capacity Curves – Cavitation Damage And Pump Inlet Suctionhead – Requirements – Description Of Pump Cavitation Phenomenon – Laboratory Shop Testing To Quantify Pump – Cavitation Incipience – Required Net Positive Suction Head And Available – Net Positive Suction Head – Operation Of Pumps In Parallel – Mechanical Components – Shafts – Couplings – Bearings – Seals – Thrust Balancers – Drivers – Operating Failure Contributors – Hydraulic Instability And Pressure Pulsations – Head–Capacity Curve Instability – Pressure Pulsation Origins – Criteria For Minimum Recirculation Flow – Excessive Vibration – Rotor Dynamical Natural Frequencies And Critical – Speeds – Selfexcited Dynamicinstability Rotor Vibrations – Dynamic Forces Acting On The Rotor – Wear .
