Fundamentals of Centrifugal Pumps

1) Introduction

Purpose of a pump

Energy Conversion

2) Pump Basics

Euler Equation

Head/flow characteristics

Pump Efficiency

Affinity Laws

Series and Parallel Operation

Pump Specific Speed

NPsh and Suction Specific Speed

Pump Modelling

3) Pump Construction

Major components

Hydraulic Loads

Rotor Balance and Critical Speeds

Pump Types

Pump Materials

4) Pump Standards

API

ISO

5) Limits of Operation

Minimum Continuous Stable Flow

Liquid Temperature Rise

Viscosity

6) Pump Testing

Head/Flow Characteristic

NPSH Test

Vibration

Bearing Temperature

7) Pump Failure

Seal Failure

Bearing Failure

Vibration