Hydrostatic, Aerostatic and Hybrid Bearing Design

1st Edition

Authors: W. Brian Rowe
Hardcover ISBN: 9780123969941
eBook ISBN: 9780123972392
Imprint: Butterworth-Heinemann
Published Date: 28th March 2012
Page Count: 352
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Solve your bearing design problems with step-by-step procedures and hard-won performance data from a leading expert and consultant

Compiled for ease of use in practical design scenarios, Hydrostatic, Aerostatic and Hybrid Bearing Design provides the basic principles, design procedures and data you need to create the right bearing solution for your requirements.

In this valuable reference and design companion, author and expert W. Brian Rowe shares the hard-won lessons and figures from a lifetime’s research and consultancy experience. Coverage includes:

  • Clear explanation of background theory such as factors governing pressure, flow and forces, followed by worked examples that allow you to check your knowledge and understanding
  • Easy-to-follow design procedures that provide step-by-step blueprints for solving your own design problems
  • Information on a wide selection of bearing shapes, offering a range and depth of bearing coverage not found elsewhere
  • Critical data on optimum performance from load and film stiffness data to pressure ratio considerations
  • Operating safeguards you need to keep in mind to prevent hot-spots and cavitation effects, helping your bearing design to withstand the demands of its intended application

Aimed at both experienced designers and those new to bearing design, Hydrostatic, Aerostatic and Hybrid Bearing Design provides engineers, tribologists and students with a one-stop source of inspiration, information and critical considerations for bearing design success.

Key Features

  • Structured, easy to follow design procedures put theory into practice and provide step-by-step blueprints for solving your own design problems.
  • Covers a wide selection of bearing shapes, offering a range and depth of information on hydrostatic, hybrid and aerostatic bearings not found elsewhere.
  • Includes critical data on optimum performance, with design specifics from load and film stiffness data to pressure ratio considerations that are essential to make your design a success.


Designers and engineers involved in mechanical and machinery design; Tribologists and lubrication engineers; Engineering undergraduates studying tribology and bearing design

Table of Contents


Usual Meaning of Symbols

Chapter 1. Application

1.1 Introduction

1.2 What are Hydrostatic, Hybrid, and Aerostatic Bearings?

1.3 When are Hydrostatic, Hybrid, and Aerostatic Bearings Employed?

1.4 Bearing Selection

1.5 Bearing Categories

1.6 Commercial Applications

1.7 Materials and Manufacture

1.8 Aerostatic Bearings

1.9 How to Read and Use the Book


Chapter 2. Basic Flow Theory

2.1 Introduction

2.2 Viscosity

2.3 Density and Consistent Units

2.4 Compressibility

2.5 Viscous Flow Between Parallel Plates

2.6 Combined Pressure- and Velocity-Induced Viscous Flow in a Two-Dimensional Nonparallel Film

2.7 Flow Through Restrictors

2.8 Recess Pressure and Pressure Ratio

2.9 Bearing Load

2.10 Use of Normalized Data

2.11 Aerostatic Bearings—Summary of Relationships


Further Reading

Chapter 3. Power, Temperature Rise, and Shape Optimization

Summary of Key Design Formulae

3.1 Introduction

3.2 Pumping Power Hp

3.3 Friction Power Hf

3.4 Power Ratio K

3.5 Temperature Rise ΔT

3.6 Minimum Power as an Optimization Criterion

3.7 Minimum Power for Low-Speed Bearings (K = 0)

3.8 Minimum Power for High-Speed Recessed Bearings

3.9 Speed Parameter Sh and Optimum Value Sho

3.10 Optimization of Plain Nonrecessed Hybrid Bearings


Chapter 4. Pads

Summary of Key Design Formulae

4.1 Pad Shapes and Shape Factors

4.2 Virtual Recesses and Dispersion Losses

4.3 Circular Pads

4.4 Square Pad Data

4.5 Rectangular Pad Data

4.6 Annular Recess Circular Pad Data

4.7 Conical Pad Data

4.8 Spherical Pad Data

4.9 Multi-Recess Circular Pad Data

4.10 Multi-Recess Rectangular Pad Data

4.11 D


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About the Author

W. Brian Rowe

W. Brian Rowe is a consulting engineer and recognized bearing expert with more than 30 years’ experience working on a wide range of machinery design problems across all industries. He has previously run courses on bearings at Coventry University in the UK and Stanford University in the USA, as well as sessions on the topic for industrial engineers in Chengdu, China. He has received awards in recognition of his work, including the Walter R. Evans Award for significant contributions to the field of rotor dynamics in 2004.

Affiliations and Expertise

Advanced Manufacturing Technology and Tribology Research Laboratory (AMTTREL) at Liverpool John Moores University, UK