Friction, Wear, and Lubrication | p. 1 |
Friction, Wear, and Lubrication ù Tribology | p. 1 |
Various Forms of Lubrication | p. 2 |
Solid Friction | p. 4 |
Hydrodynamic Lubrication | p. 6 |
Meanings of Tribology | p. 7 |
References | p. 8 |
Foundations of Hydrodynamic Lubrication | p. 9 |
Tower's Experiment | p. 9 |
Reynolds' Theory of Hydrodynamic Lubrication | p. 11 |
Interpretation of Reynolds' Equation | p. 18 |
References | p. 22 |
Fundamentals of Journal Bearings | p. 23 |
Circular Journal Bearings | p. 25 |
Cross Section of a Bearing | p. 25 |
Shape of the Oil Film | p. 26 |
Bearing Length (Bearing Width) | p. 27 |
Boundary Conditions for the Oil Film | p. 27 |
Infinitely Long Bearings | p. 29 |
Oil Film Pressure | p. 29 |
Infinitely Long Bearing Under Sommerfeld's Condition | p. 31 |
Infinitely Long Bearing Under Gumbel's Condition | p. 37 |
Short Bearings | p. 41 |
Oil Film Pressure | p. 41 |
Characteristics of a Short Bearing Under Gumbel's Condition | p. 42 |
Finite Length Bearings | p. 43 |
References | p. 46 |
Fundamentals of Thrust Bearings | p. 47 |
Infinitely Long Plane Pad Bearings | p. 48 |
Basic Formulae | p. 49 |
Basic Characteristics | p. 49 |
Finite Length Plane Pad Bearings | p. 54 |
Sector Pad Bearings | p. 55 |
Reynolds' Equation in Cylindrical Coordinates | p. 55 |
Numerical Solution of a Sector Pad | p. 57 |
Additional Topics | p. 58 |
Influence of Deformation of the Pad | p. 58 |
Magnetic Disk Memory Storage | p. 59 |
References | p. 60 |
Stability of a Rotating Shaft ù Oil Whip | p. 63 |
OilWhip | p. 64 |
Oil Whip Theory | p. 67 |
Oil Film Pressure | p. 68 |
Oil Film Force | p. 71 |
Linearization of the Oil Film Force | p. 72 |
Equations of Motion | p. 75 |
Stability Limit | p. 76 |
Occurrence of Oil Whip ù Hysteresis | p. 84 |
Coordinate Axes | p. 88 |
Stability of Multibearing Systems | p. 89 |
Influence of Earthquakes on Oil Whip | p. 92 |
Basic Equations | p. 94 |
Examples of Simulation | p. 95 |
Limit Cycle in an Unstable Domain | p. 98 |
Approximate Nonlinear Analysis of Journal Bearing Characteristics | p. 98 |
Results of Analysis | p. 101 |
Floating Bush Bearings | p. 102 |
Three Circular Arc Bearings | p. 106 |
Porous Bearings | p. 109 |
Governing Equations | p. 109 |
Stability of a Shaft System | p. 110 |
Chaos in Rotor-Bearing Systems | p. 1ll |
Prevention of Oil Whip | p. 113 |
References | |
Foil Bearings | p. 119 |
Basic Equations | p. 121 |
Finite Element Solution of the Basic Equations | p. 122 |
Reynolds'Equation | p. 122 |
Equation of Balance for the Foil | p. 125 |
Solution Procedure | p. 126 |
Characteristics of Foil Bearings | p. 126 |
Single Cylinder Heads | p. 127 |
Double Cylinder Heads | p. 128 |
Comparison with Experiments | p. 13G |
Additional Topics | p. 130 |
Magnetic Tape Memory Storage | p. 130 |
Foil Disk | p. 131 |
References | p. 136 |
Squeeze Film | p. 137 |
Basic Equations | p. 138 |
Squeeze Between Rigid Surfaces | p. 141 |
Squeeze Without Fluid Inertia | p. 141 |
Squeeze with Fluid Inertia | p. 142 |
Sinusoidal Squeeze Motion | p. 144 |
Sinusoidal Squeeze by a Rigid Surface (Experiments) | p. 145 |
Mild Sinusoidal Squeeze | p. 145 |
Intense Sinusoidal Squeeze ù Cavitation | p. 146 |
Sinusoidal Squeeze with a Soft Surface | p. 149 |
Low-Frequency Squeeze | p. 150 |
High-Frequency Squeeze | p. 153 |
Results of Experiment and Calculation | p. 154 |
References | p. 159 |
Heat Generation and Temperature Rise | p. 161 |
Basic Equations for Thermohydrodynamic Lubrication | p. 162 |
Generalized Reynolds' Equation | p. 163 |
Balance of Forces | p. 163 |
Flow Velocity | p. 164 |
Continuity Equation | p. 164 |
Generalized Reynolds'Equation | p. 165 |
Energy Equation | p. 166 |
General Energy Equation | p. 166 |
Energy Equation | p. 168 |
Transformation of the Energy Equation | p. 170 |
Temperature Distribution in Bearings | p. 171 |
Temperature Analyses of Tilting Pad Thrust Bearings ù Sector Pads | p. 172 |
Basic Equations | p. 173 |
Boundary Conditions | p. 175 |
Numerical Analyses | p. 175 |
Examples of Three-Dimensional Analyses of Temperature Distribution | p. 177 |
Comparisons of Three-Dimensional, Two-Dimensional, and Isoviscous Analyses | p. 178 |
Analysis Considering Inertia Forces | p. 180 |
Comparison of Calculated Results and Experiments | p. 184 |
Temperature Analyses of Circular Journal Bearings | p. 185 |
Basic Equations | p. 187 |
Boundary Conditions | p. 187 |
Comparison of Calculated Results and Experiments | p. 189 |
References | p. 193 |
Turbulent Lubrication | p. 197 |
Time-Average Equation of Motion and the Reynolds' Stress | p. 198 |
Turbulent Flow Model | p. 201 |
Mixing Length Model | p. 201 |
k-E Model | p. 203 |
Turbulent Lubrication Theory Using the Mixing Length Model | p. 204 |
Modified Mixing Length | p. 204 |
Turbulent Velocity Distribution Between Two Surfaces | p. 206 |
Turbulent Reynolds'Equation | p. 208 |
Turbulent Coefficients of Fluid Film Seals | p. 209 |
Comparison of Analyses Using the Mixing Length Model with Experiments | p. 211 |
Turbulent Static Characteristics of Fluid Film Seals | p. 211 |
Turbulent Dynamic Characteristics of Fluid Film Seals | p. 213 |
Turbulent Lubrication Theory Using the k-E Model | p. 214 |
Application of the Model to an Oil Film | p. 215 |
Turbulent Reynolds'Equation | p. 216 |
Comparison of Analyses Using the k-E Model with Experiments | p. 218 |
Reduction of Friction in a Turbulent Bearing by Toms' Effect | p. 222 |
Taylor Vortices in a Journal Bearing | p. 224 |
References | p. 226 |
Index | p. 229 |
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