Centrifugal Pump Systems Tutorial

Centrifugal Pump Systems Tutorial
by Jacques Chaurette p. eng.
Table of contents
Different types of pump systems

Three important characteristics of a pump system: pressure, friction and flow

What is friction in a pump system

Energy and head in pump systems

Static head

Flow rate depends on elevation difference or static head

Flow rate depends on friction

How does a centrifugal pump produce pressure

What is total head
10 What is the relationship between head and total head

How to determine friction head

The performance or characteristic curve of the pump

How to select a centrifugal pump
Examples of total head calculations – sizing a pump for a home owner application

Examples of common residential water systems

Calculate the pump discharge pressure from the pump total head
Appendix A
Flow rate and friction loss for different pipe sizes based at different velocities
Appendix B
Formulas and an example of how to do pipe friction calculations
Appendix C
Formulas and an example of how to do pipe fittings friction calculations
Appendix D
Formula and an example of how to do velocity calculation for fluid flow in a pipe
Appendix E
The relationship between pressure head and pressure
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