Know and Understand Centrifugal Pumps

1st Edition

Editors: L. Bachus A Custodio
Hardcover ISBN: 9781856174091
eBook ISBN: 9780080509747
Imprint: Elsevier Science
Published Date: 25th July 2003
Page Count: 264
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Description

Pumps are commonly encountered in industry and are essential to the smooth running of many industrial complexes. Mechanical engineers entering industry often have little practical experience of pumps and their problems, and need to build up an understanding of the design, operation and appropriate use of pumps, plus how to diagnose faults and put them right. This book tackles all these aspects in a readable manner, drawing on the authors' long experience of lecturing and writing on centrifugal pumps for industrial audiences.

Readership

Mechanical engineers, fitters and maintenance engineers.

Table of Contents

Chapter 1: Basic Pump Principles


Introduction


How do pumps work?


Pressure measurement


Atmospheric pressure (ATM)


Absolute pressure (psia)


Gauge pressure (psig)


Vacuum


Pump head


Specific gravity


Pressure measurement


Pressures inside the pump

Chapter 2: NPSH, Net Positive Suction Head


Introduction


Definition of NPSHr (required)


Definition NPSHa (available)

Chapter 3: Cavitation


Introduction


Vapor pressure


Cavitation


The effects of vapor pressure on pump performance


Cavitation: A practical discussion


Review for preventing cavitation


Cavitation review


Do something about cavitation!

Chapter 4: The Affinity Laws


Introduction


The Laws


The Affinity Laws and the impeller diameter


What's the practical application of these laws?

Chapter 5: Useful Work and Pump Efficiency


Useful work from a pump


Flow determination


Pump efficiency


Factors that affect the efficiency


Calculating pump efficiency

Chapter 6: Pump Classification


Introduction


Positive displacement pumps


Centrifugal pumps


Conceptual difference


Centrifugal volate pumps


Types of centrifugal pumps


Overhung impeller


Impeller between the bearings


Turbine pumps


Specific duty pumps

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Details

No. of pages:
264
Language:
English
Copyright:
© Elsevier Science 2003
Published:
Imprint:
Elsevier Science
eBook ISBN:
9780080509747
Hardcover ISBN:
9781856174091

About the Editor

L. Bachus

Affiliations and Expertise

Bachus Company Inc

A Custodio

Reviews

Pumps are commonly encountered in industry and are essential to the smooth running of many industrial complexes. Mechanical engineers entering industry often have little practical experience of pumps and their problems, and need to build up an understanding of the design, operation and appropriate use of pumps, plus how to diagnose faults and put them right. This book tackles all these aspects in a readable manner, drawing on the authors' long experience of lecturing and writing on centrifugal pumps for industrial audiences.