Al-Bender Farid - Theory, Design and Applications

1. Chapter 5
2. Chapter 6
3. Chapter 8
4. Chapter 9
5. Chapter 10
6. Chapter 11
7. Chapter 12
8. Chapter 14
9. Chapter 15
10. Chapter 17

1. Chapter 1
2. Chapter 2
3. Chapter 3
4. Chapter 4
5. Chapter 5
6. Chapter 6
7. Chapter 7
8. Chapter 8
9. Chapter 9
10. Chapter 10
11. Chapter 11
12. Chapter 12
13. Chapter 13
14. Chapter 14
15. Chapter 15
16. Chapter 16
17. Chapter 17

Farid AlBender

KU Leuven, Department of Mechanical Engineering
Leuven
Belgium

This edition first published 2021

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Library of Congress CataloginginPublication Data applied for

HB ISBN: 9781118511497

Cover image: Courtesy of Farid AlBender

Cover design by Wiley

To the memory of my parents

To Katherine

To the children

Figure 1.1	Classification of air bearings according to pressure generation (dynamics) and morphology (kinematics). The bottom row depicts compliantsurface bearings.
Figure 2.1	General bearing configuration and notation ( and denote respectively the supply and atmospheric pressure). Source: Adapted from AlBender F 1992.
Figure 2.2	Schematic flow configuration of inlet flow to EP bearing. (Not to scale.) Source: AlBender F 1992.
Figure 2.3	(a) Feed flow and its transition to (b) film flow.
Figure 2.4	Comparison between potential flow in the entrance region and ideal sink flow. Source: AlBender F 1992.
Figure 2.5	Entrance flow into a slider bearing: open shear flow transition to CouettePoiseuille channel flow.
Figure 2.6	Film flow configuration for EP case. (Not to scale.) Source: AlBender F 1992.
Figure 2.7	Film flow configuration for the sliderbearing case. (Not to scale.)
Figure 2.8	Circular centrally fed bearing geometry and notation. Source: AlBender F 1992
.
Figure 3.1	Schematic and terminology of the entrance problem. (Not to scale.)
Figure 3.2	A method of separation of variables for the solution of laminar boundary layer equations of narrow channel flows. Journal of Tribology 114, 630636. 1992 by permission of ASME.
Figure 3.3	Velocity profile functions in forward and reverse flow. Source: Al-Bender and Van Brussel, 1992 by permission of ASME.
Figure 3.4	. Source: Al-Bender and Van Brussel, 1992 by permission of ASME.
Figure 3.5	Velocity and pressure development in the entrance of a plane channel. Source: Al-Bender and Van Brussel, 1992 by permission of ASME.
Figure 3.6	Radial channel flow: Notation. Source: Al-Bender and Van Brussel, 1992 by permission of ASME.
Figure 3.7	Qualitative streamline field for (a) moderate taper (large flow rate) and (b) large taper (small flow rate) sliders and associated entrance velocity profiles.
Figure 3.8	Development of the flow upstream of a slider bearing; Blasius BL (a) versus Skiadis BL (b). (Not to scale.)
Figure 3.9	Normalised velocity profile of the Sakiadis boundary layer.
Figure 3.10	Shearflow entrance into a plane uniform gap channel. Development of (a) velocity profile and (b) pressure (including head loss). (Not to scale)