APPENDIX G – Pumps and Turbines
Surge Analysis and the Wave Plan Method
Supplementary Material: Example Problems and Solutions
Appendix G – Problem 32
G.32 A pump driven by an electric motor is operating at a steady speed of 1800 rpm delivering a flowrate of 10 MLD at 155m head. The efficiency associated with this operation is 82%.
a. if the weight moment of inertia WR2 of the pump-shaft-rotor assembly is 60 N-m2, what is the angular acceleration of the shaft?
b. What is the electric torque generated by the motor? [Hint: Use Eqs. G.1, G.2, G.6, and G.8]
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