PUMPS (Notes for CIVE 401 by Prof. P.Y. Julien 9-19-16)

Pump power example

Reciprocating pumps (high H, low Q low Ns)

Axial pumps (low H, high Q -> high Ns) ---- Mixed pumps

Centrifugal pumps (high H, variable Q)

Pump classification

Examples of pump performance curves

#1

#2

#3

#4

Pump operating point

Cavitation damage

Collapse pressure up to 300,000psi

Pumps in series

Pumps in parallel

Pump intakes