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Issues
April 1990
ISSN 0742-4787
EISSN 1528-8897
In this Issue
Research Papers
A Finite Element Approach to Pad Flexibility Effects in Tilt Pad Journal Bearings: Part I—Single Pad Analysis
J. Tribol. April 1990, 112(2): 169–176.
doi: https://doi.org/10.1115/1.2920238
A Finite Element Approach to Pad Flexibility Effects in Tilt Pad Journal Bearings: Part II—Assembled Bearing and System Analysis
J. Tribol. April 1990, 112(2): 178–182.
doi: https://doi.org/10.1115/1.2920239
Topics:
Bearings
,
Finite element analysis
,
Journal bearings
,
Systems analysis
,
Eigenvalues
,
Rotors
,
Stiffness
Effects of Two Film Rupture Models on the Thermal Analysis of a Journal Bearing
J. Tribol. April 1990, 112(2): 183–188.
doi: https://doi.org/10.1115/1.2920240
Topics:
Journal bearings
,
Rupture
,
Thermal analysis
,
Temperature
,
Bearings
,
Cavitation
,
Fluid films
,
Heat transfer
,
Lubricants
,
Temperature distribution
Thermal Elastohydrodynamic Lubrication of Rolling/Sliding Contacts
J. Tribol. April 1990, 112(2): 189–195.
doi: https://doi.org/10.1115/1.2920241
An Annular Gas Seal Analysis Using Empirical Entrance and Exit Region Friction Factors
J. Tribol. April 1990, 112(2): 196–204.
doi: https://doi.org/10.1115/1.2920242
Topics:
Friction
,
Rotors
,
Flow (Dynamics)
,
Stiffness
,
Damping
,
Honeycomb structures
,
Leakage
,
Shear stress
,
Stators
Role of Fractal Geometry in Roughness Characterization and Contact Mechanics of Surfaces
J. Tribol. April 1990, 112(2): 205–216.
doi: https://doi.org/10.1115/1.2920243
Topics:
Contact mechanics
,
Fractals
,
Geometry
,
Surface roughness
,
Spectra (Spectroscopy)
,
Dimensions
,
Texture (Materials)
,
Disks
,
Magnification
,
Stainless steel
Liquid-Mediated Adhesion at the Thin Film Magnetic Disk/Slider Interface
J. Tribol. April 1990, 112(2): 217–223.
doi: https://doi.org/10.1115/1.2920244
Topics:
Adhesion
,
Disks
,
Thin films
,
Adhesives
,
Lubricants
,
Stress
,
Magnetic recording
,
Separation (Technology)
,
Surface roughness
,
Water
An Approximate THD Theory for Journal Bearings
J. Tribol. April 1990, 112(2): 224–229.
doi: https://doi.org/10.1115/1.2920245
Topics:
Journal bearings
,
Bearings
,
Pressure
,
Algebra
,
Computers
,
Differential equations
,
Flow (Dynamics)
,
Friction
,
Lubricants
,
Lubrication
Numerical Study of Film Thickness Averaging in Compressible Lubricating Films Incurring Stationary Surface Roughness
J. Tribol. April 1990, 112(2): 230–237.
doi: https://doi.org/10.1115/1.2920246
Topics:
Film thickness
,
Surface roughness
,
Compressibility
,
Load bearing capacity
,
Bearings
,
Waves
Friction, Wear, and Interfacial Chemistry in Thin Film Magnetic Rigid Disk Files
J. Tribol. April 1990, 112(2): 238–245.
doi: https://doi.org/10.1115/1.2920247
The High Shear Stress Rheology of Liquid Lubricants at Pressures of 2 to 200 MPa
J. Tribol. April 1990, 112(2): 246–252.
doi: https://doi.org/10.1115/1.2920248
Topics:
Lubricants
,
Rheology
,
Shear stress
,
Glass transition
,
Pressure
,
Rheometers
,
Shear flow
Test Results for Turbulent Annular Seals, Using Smooth Rotors and Helically Grooved Stators
J. Tribol. April 1990, 112(2): 254–258.
doi: https://doi.org/10.1115/1.2920250
A Theory of Thermo-Elastohydrodynamic Lubrication of Liquid-Solid Lubricated Cylinders
J. Tribol. April 1990, 112(2): 259–265.
doi: https://doi.org/10.1115/1.2920251
Topics:
Cylinders
,
Film thickness
,
Friction
,
Graphite
,
Lubricants
,
Lubrication
,
Mechanical properties
,
Particulate matter
,
Pressure
,
Rheology
A Continuous Boiling Model for Face Seals
J. Tribol. April 1990, 112(2): 266–274.
doi: https://doi.org/10.1115/1.2920252
Compatibility Between Tool Materials and Workpiece in Sheet-Metal Ironing Process
J. Tribol. April 1990, 112(2): 275–281.
doi: https://doi.org/10.1115/1.2920253
Topics:
Ceramics
,
Friction
,
Galling
,
Ironing (Metalworking)
,
Lubricants
,
Metalworking
,
Steel
,
Strips
,
Tool steel
,
Tribometers
Transfer of Aluminum to Steel in Sliding Contact: Effects of Lubricant
J. Tribol. April 1990, 112(2): 282–287.
doi: https://doi.org/10.1115/1.2920254
Topics:
Aluminum
,
Lubricants
,
Steel
,
Metals
,
Friction
,
Ethanol
,
Oils
,
Petroleum
,
Aluminum compounds
,
Coating processes
The Determination of Squeeze Film Dynamic Coefficients From Transient Two-Dimensional Experimental Data
J. Tribol. April 1990, 112(2): 288–296.
doi: https://doi.org/10.1115/1.2920255
Topics:
Transients (Dynamics)
,
Bearings
,
Filters
,
Noise (Sound)
,
Signals
Sliding Failure Model for Magnetic Head-Disk Interface
J. Tribol. April 1990, 112(2): 299–303.
doi: https://doi.org/10.1115/1.2920256
Topics:
Disks
,
Failure
,
Damage
,
Friction
,
Mechanical properties
,
Modeling
,
Particulate matter
,
Wear
Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 1—Application to a Long-Life Bearing
J. Tribol. April 1990, 112(2): 304–308.
doi: https://doi.org/10.1115/1.2920257
Topics:
Aircraft
,
Bearings
,
Fatigue life
,
Gas turbines
Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 2—Application to a Bearing Operating Under Difficult Lubrication Conditions
J. Tribol. April 1990, 112(2): 309–311.
doi: https://doi.org/10.1115/1.2920258
Topics:
Aircraft
,
Bearings
,
Fatigue life
,
Gas turbines
,
Lubrication
Thermomechanical Behavior of Multilayered Media: Results
J. Tribol. April 1990, 112(2): 317–323.
doi: https://doi.org/10.1115/1.2920259
Topics:
Coatings
,
Heat flux
,
Low temperature
,
Stress
,
Temperature
,
Thermoelasticity
,
Thermomechanics
On Friction of Ploughing by Rigid Asperities in the Presence of Straining—Upper Bound Method
J. Tribol. April 1990, 112(2): 324–329.
doi: https://doi.org/10.1115/1.2920260
Topics:
Friction
,
Finite element analysis
,
Plastics
Operating Conditions of Multi-Lobe Journal Bearings Under High Thermal Loads
J. Tribol. April 1990, 112(2): 330–338.
doi: https://doi.org/10.1115/1.2920261
Topics:
Journal bearings
,
Stress
,
Flow (Dynamics)
,
Temperature
,
Bearings
,
Computational methods
,
Computers
,
Dimensions
,
Failure
,
Lubricants
Thermal Elastohydrodynamic Lubrication of Rough Surfaces
J. Tribol. April 1990, 112(2): 341–346.
doi: https://doi.org/10.1115/1.2920262
Cavitation and Air Entrainment Effects on the Response of Squeeze Film Supported Rotors
J. Tribol. April 1990, 112(2): 347–353.
doi: https://doi.org/10.1115/1.2920263
Topics:
Air entrainment
,
Cavitation
,
Rotors
,
Dampers
,
Fluid films
,
Fluids
,
Springs
,
Vapors
On Stick-Slip and the Velocity Dependence of Friction at Low Speeds
J. Tribol. April 1990, 112(2): 354–360.
doi: https://doi.org/10.1115/1.2920264
Topics:
Friction
,
Stick-slip
,
Metals
,
Adhesives
,
Contact resistance
,
Excitation
,
Heating
,
Oscillations
,
Pressure
,
Resonance
A Procedure for Evaluating the Friction Properties of Hertzian Contacts Under Reciprocating Sliding Motion
J. Tribol. April 1990, 112(2): 361–364.
doi: https://doi.org/10.1115/1.2920265
Additional Test Results for Round-Hole-Pattern Damper Seals: Leakage, Friction Factors, and Rotordynamic Force Coefficients
J. Tribol. April 1990, 112(2): 365–371.
doi: https://doi.org/10.1115/1.2920266
Topics:
Dampers
,
Friction
,
Leakage
,
Damping
,
Stators
,
Fluids
,
Stiffness
,
Clearances (Engineering)
,
Pressure gradient
,
Reynolds number
Stratified Two-Phase Flow in Annular Seals
J. Tribol. April 1990, 112(2): 372–381.
doi: https://doi.org/10.1115/1.2920267
Topics:
Boiling
,
Energy dissipation
,
Equilibrium (Physics)
,
Flow (Dynamics)
,
Heat
,
Leakage
,
Mass transfer
,
Oxygen
,
Stratified flow
,
Turbulence
Thermoelastic Contact Between a Rolling Rigid Indenter and a Damaged Elastic Body
J. Tribol. April 1990, 112(2): 382–390.
doi: https://doi.org/10.1115/1.2920268
Topics:
Thermoelasticity
,
Fracture (Materials)
,
Cylinders
,
Friction
,
Heat
,
Contact mechanics
,
Elastic half space
,
Heat transfer
,
Integral equations
,
Stress
Micro-EHL in Lubricated Concentrated Contacts
J. Tribol. April 1990, 112(2): 392–397.
doi: https://doi.org/10.1115/1.2920269
Topics:
Lubricants
,
Pressure
,
Shear stress
,
Sliding friction
Variational Formulations and Finite Element Algorithms for Cavitation Problems
J. Tribol. April 1990, 112(2): 398–403.
doi: https://doi.org/10.1115/1.2920270
Topics:
Algorithms
,
Cavitation
,
Finite element analysis
,
Bearings
,
Lubrication
,
Steady state
,
Transients (Dynamics)
Dynamic Behavior of Unbalanced Rigid Shaft Supported on Turbulent Journal Bearings—Theory and Experiment
J. Tribol. April 1990, 112(2): 404–408.
doi: https://doi.org/10.1115/1.2920271
Topics:
Journal bearings
,
Turbulence
,
Fluid films
,
Inertia (Mechanics)
,
Bearings
,
Nonlinear equations
,
Reynolds number
,
Rotors
,
Stability
The Optimum Groove Geometry for Spiral Groove Viscous Pumps
J. Tribol. April 1990, 112(2): 409–414.
doi: https://doi.org/10.1115/1.2920272
Topics:
Geometry
,
Pumps
,
Clearances (Engineering)
,
Outflow
,
Pressure
,
Design
,
Differential equations
,
Disks
,
Flow (Dynamics)
Discussions
Discussion: “A Finite Element Approach to Pad Flexibility Effects in Tilt Pad Journal Bearings: Part I—Single Pad Analysis” (Earles, L. L., Palazzolo, A. B., and Armentrout, R. W., 1990, ASME J. Tribol., 112, pp. 169–176)
J. Tribol. April 1990, 112(2): 176.
doi: https://doi.org/10.1115/1.2924226
Topics:
Finite element analysis
,
Journal bearings
Closure to “Discussion of ‘A Finite Element Approach to Pad Flexibility Effects in Tilt Pad Journal Bearings: Part I—Single Pad Analysis’” (1990, ASME J. Tribol., 112, p. 176)
J. Tribol. April 1990, 112(2): 176–177.
doi: https://doi.org/10.1115/1.2924227
Topics:
Finite element analysis
,
Journal bearings
Discussion: “The High Shear Stress Rheology of Liquid Lubricants at Pressures of 2 to 200 MPa” (Bair, S., and Winer, W. O., 1990, ASME J. Tribol., 112, pp. 246–252)
J. Tribol. April 1990, 112(2): 252.
doi: https://doi.org/10.1115/1.2924228
Topics:
Lubricants
,
Rheology
,
Shear stress
Closure to “Discussion of ‘The High Shear Stress Rheology of Liquid Lubricants at Pressures of 2 to 200 MPa’” (1990, ASME J. Tribol., 112, p. 252)
J. Tribol. April 1990, 112(2): 253.
doi: https://doi.org/10.1115/1.2920249
Topics:
Lubricants
,
Rheology
,
Shear stress
Discussion: “The Determination of Squeeze Film Dynamic Coefficients From Transient Two-Dimensional Experimental Data” (Roberts, J. B., Ellis, J., and Hosseini Sianaki, A., 1990, ASME J. Tribol., 112, pp. 288–296)
J. Tribol. April 1990, 112(2): 296–297.
doi: https://doi.org/10.1115/1.2924230
Topics:
Transients (Dynamics)
Discussion: “Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 1—Application to a Long-Life Bearing” (Ioannides, E., Harris, T. A., and Ragen, M., 1990, ASME J. Tribol., 112, pp. 304–308)
J. Tribol. April 1990, 112(2): 312.
doi: https://doi.org/10.1115/1.2924232
Topics:
Aircraft
,
Bearings
,
Fatigue life
,
Gas turbines
Discussion: “Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 2—Application to a Bearing Operating Under Difficult Lubrication Conditions” (Harris, T., Ioannides, E., Ragen, M., and Tam, H., 1990, ASME J. Tribol., 112, pp. 309–311)
J. Tribol. April 1990, 112(2): 313.
doi: https://doi.org/10.1115/1.2924233
Topics:
Aircraft
,
Bearings
,
Fatigue life
,
Gas turbines
,
Lubrication
Discussion: “Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 1—Application to a Long-Life Bearing” (Ioannides, E., Harris, T. A., and Ragen, M., 1990, ASME J. Tribol., 112, pp. 304–308) and “Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 2—Application to a Bearing Operating Under Difficult Lubrication Conditions” (Harris, T., Ioannides, E., Ragen, M., and Tam, H., 1990, ASME J. Tribol., 112, pp. 309–311)
J. Tribol. April 1990, 112(2): 313–314.
doi: https://doi.org/10.1115/1.2924234
Topics:
Aircraft
,
Bearings
,
Fatigue life
,
Gas turbines
,
Lubrication
Discussion: “Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 2—Application to a Bearing Operating Under Difficult Lubrication Conditions” (Harris, T., Ioannides, E., Ragen, M., and Tam, H., 1990, ASME J. Tribol., 112, pp. 309–311)
J. Tribol. April 1990, 112(2): 314.
doi: https://doi.org/10.1115/1.2924235
Topics:
Aircraft
,
Bearings
,
Fatigue life
,
Gas turbines
,
Lubrication
Closure to “Discussions of ‘Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 1—Application to a Long-Life Bearing’ and ‘Endurance of Aircraft Gas Turbine Mainshaft Ball Bearings-Analysis Using Improved Fatigue Life Theory: Part 2—Application to a Bearing Operating Under Difficult Lubrication Conditions’” (1990, ASME J. Tribol., 112, pp. 312–314)
J. Tribol. April 1990, 112(2): 314–316.
doi: https://doi.org/10.1115/1.2924236
Topics:
Aircraft
,
Bearings
,
Fatigue life
,
Gas turbines
,
Lubrication
Discussion: “Operating Conditions of Multi-Lobe Journal Bearings Under High Thermal Loads” (Mittwollen, N., and Glienicke, J., 1990, ASME J. Tribol., 112, pp. 330–338)
J. Tribol. April 1990, 112(2): 338–339.
doi: https://doi.org/10.1115/1.2924237
Topics:
Journal bearings
,
Stress
Discussion: “Operating Conditions of Multi-Lobe Journal Bearings Under High Thermal Loads” (Mittwollen, N., and Glienicke, J., 1990, ASME J. Tribol., 112, pp. 330–338)
J. Tribol. April 1990, 112(2): 339–340.
doi: https://doi.org/10.1115/1.2924239
Topics:
Journal bearings
,
Stress
Closure to “Discussion of ‘Thermoelastic Contact Between a Rolling Rigid Indenter and a Damaged Elastic Body’” (1990, ASME J. Tribol., 112, p. 390)
J. Tribol. April 1990, 112(2): 390–391.
doi: https://doi.org/10.1115/1.2924242
Topics:
Thermoelasticity
Errata
Erratum: “A Subroutine Package for Solving Slider Lubrication Problems” (Journal of Tribology, 1990, 112, pp. 84–91)
J. Tribol. April 1990, 112(2): 253.
doi: https://doi.org/10.1115/1.2924229
Topics:
Lubrication
,
Tribology
