In: Mechanical Engineering
A centrifugal pump with an impeller diameter of 30cm and speed 1800RPM operating at its best effiecieny point develops a head of 30m and a flow of 3900L/min. while requiring power of 24kW. This pump is scaled up to provide a flow of 11000L/min. and a head of 75m. Determine the impeller diameter, speed, and a brake power of the new pump.