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Journal Articles

Calculation of Dynamic Coefficients in a Hydrodynamic Bearing Considering Five Degrees of Freedom for a General Rotor-Bearing System

G. H. Jang, Y. J. Kim
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1999, 121(3): 499–505.
https://doi.org/10.1115/1.2834095
Published Online: July 1, 1999
View Article titled, Calculation of Dynamic Coefficients in a Hydrodynamic Bearing Considering Five Degrees of Freedom for a General Rotor-Bearing System
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Topics: Bearings, Degrees of freedom, Rotors, Engines, Motors, Thrust bearings, Ball bearings, Damping, Disks, Finite element methods
Journal Articles

The Effects of Fixed Rotor Tilt on the Rotordynamic Coefficients of Incompressible Flow Annular Seals

J. K. Scharrer, N. Rubin, C. C. Nelson
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1993, 115(3): 336–340.
https://doi.org/10.1115/1.2921640
Published Online: July 1, 1993
View Article titled, The Effects of Fixed Rotor Tilt on the Rotordynamic Coefficients of Incompressible Flow Annular Seals
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Topics: Flow (Dynamics), Rotors, Pressure, Boundary-value problems, Friction, Momentum, Perturbation theory, Separation (Technology), Turbulence
Journal Articles

Approximations in Hydrodynamic Lubrication

R. X. Dai, Q. Dong, A. Z. Szeri
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1992, 114(1): 14–25.
https://doi.org/10.1115/1.2920853
Published Online: January 1, 1992
View Article titled, Approximations in Hydrodynamic Lubrication
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Topics: Approximation, Lubrication, Lubrication theory, Reynolds number, Fluids, Geometry, Inertia (Mechanics), Bearings, Bifurcation, Journal bearings
Journal Articles

Rotordynamic Coefficients for Partially Tapered Annular Seals: Part II—Compressible Flow

J. K. Scharrer, C. C. Nelson
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1991, 113(1): 53–57.
https://doi.org/10.1115/1.2920603
Published Online: January 1, 1991
View Article titled, Rotordynamic Coefficients for Partially Tapered Annular Seals: Part II—Compressible Flow
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Topics: Compressible flow, Pressure, Boundary-value problems, Clearances (Engineering), Differential equations, Flow (Dynamics), Leakage, Momentum, Perturbation theory, Separation (Technology)
Journal Articles

Rotordynamic Coefficients for Partially Tapered Annular Seals: Part I—Incompressible Flow

J. K. Scharrer, C. C. Nelson
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1991, 113(1): 48–52.
https://doi.org/10.1115/1.2920602
Published Online: January 1, 1991
View Article titled, Rotordynamic Coefficients for Partially Tapered Annular Seals: Part I—Incompressible Flow
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Topics: Flow (Dynamics), Pressure, Turbulence, Boundary-value problems, Clearances (Engineering), Differential equations, Leakage, Lubrication, Momentum, Perturbation theory
Journal Articles

Rotordynamic Coefficients for Stepped Labyrinth Gas Seals

J. K. Scharrer
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1989, 111(1): 101–107.
https://doi.org/10.1115/1.3261858
Published Online: January 1, 1989
View Article titled, Rotordynamic Coefficients for Stepped Labyrinth Gas Seals
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Topics: Compressible flow, Flow (Dynamics), Friction, Leakage, Momentum, Perturbation theory, Pressure, Rotors, Separation (Technology), Stability
Journal Articles

Theoretical Analysis of Pneumatic Instability of Externally Pressurized Porous Gas Journal Bearings Considering Velocity Slip

M. C. Majumder, B. C. Majumdar
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. October 1988, 110(4): 730–733.
https://doi.org/10.1115/1.3261721
Published Online: October 1, 1988
View Article titled, Theoretical Analysis of Pneumatic Instability of Externally Pressurized Porous Gas Journal Bearings Considering Velocity Slip
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Topics: Journal bearings, Theoretical analysis, Perturbation theory, Rotors, Stability
Journal Articles

Rotordynamic Coefficients for Compressible Flow in Tapered Annular Seals

C. C. Nelson
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1985, 107(3): 318–325.
https://doi.org/10.1115/1.3261062
Published Online: July 1, 1985
View Article titled, Rotordynamic Coefficients for Compressible Flow in Tapered Annular Seals
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Topics: Compressible flow, Stiffness, Damping, Engines, Flow (Dynamics), Fluids, High pressure (Physics), Leakage, Perturbation theory, Space vehicles
Journal Articles

Analysis and Testing for Rotordynamic Coefficients of Turbulent Annular Seals With Different, Directionally-Homogeneous Surface-Roughness Treatment for Rotor and Stator Elements

D. W. Childs, Chang-Ho Kim
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1985, 107(3): 296–305.
https://doi.org/10.1115/1.3261054
Published Online: July 1, 1985
View Article titled, Analysis and Testing for Rotordynamic Coefficients of Turbulent Annular Seals With Different, Directionally-Homogeneous Surface-Roughness Treatment for Rotor and Stator Elements
Open the PDF for Analysis and Testing for Rotordynamic Coefficients of Turbulent Annular Seals With Different, Directionally-Homogeneous Surface-Roughness Treatment for Rotor and Stator Elements in another window
Topics: Rotors, Stators, Surface roughness, Testing, Turbulence, Damping, Dampers, Leakage, Pressure, Centrifugal pumps
Journal Articles

Convergent-Tapered Annular Seals: Analysis and Testing for Rotordynamic Coefficients

D. W. Childs, J. B. Dressman
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1985, 107(3): 307–316.
https://doi.org/10.1115/1.3261059
Published Online: July 1, 1985
View Article titled, Convergent-Tapered Annular Seals: Analysis and Testing for Rotordynamic Coefficients
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Topics: Approximation, Bearings, Centrifugal pumps, Flow (Dynamics), Fully developed turbulent flow, High pressure (Physics), Leakage, Lubrication, Momentum, Perturbation theory
Journal Articles

Stability of Squeeze Film Damped Multi-Mass Flexible Rotor Bearing Systems

L. J. McLean, E. J. Hahn
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1985, 107(3): 402–409.
https://doi.org/10.1115/1.3261094
Published Online: July 1, 1985
View Article titled, Stability of Squeeze Film Damped Multi-Mass Flexible Rotor Bearing Systems
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Topics: Bearings, Rotors, Stability, Dampers, Equilibrium (Physics), Damping, Degrees of freedom, Design, Perturbation theory
Journal Articles

Dynamic Characteristics of a Hydrostatic Gas Bearing Driven by Oscillating Exhaust Pressure

C. B. Watkins, H. D. Branch, I. E. Eronini
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 1984, 106(4): 477–483.
https://doi.org/10.1115/1.3260968
Published Online: October 1, 1984
View Article titled, Dynamic Characteristics of a Hydrostatic Gas Bearing Driven by Oscillating Exhaust Pressure
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Topics: Exhaust systems, Gas bearings, Hydrostatics, Pressure, Bearings, Equations of motion, Perturbation theory, Vibration, Approximation, Journal bearings
Journal Articles

Finite-Length Solutions for Rotordynamic Coefficients of Turbulent Annular Seals

D. W. Childs
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1983, 105(3): 437–444.
https://doi.org/10.1115/1.3254636
Published Online: July 1, 1983
View Article titled, Finite-Length Solutions for Rotordynamic Coefficients of Turbulent Annular Seals
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Topics: Turbulence, Pressure, Boundary-value problems, Centrifugal pumps, Differential equations, Flow (Dynamics), Fully developed turbulent flow, High pressure (Physics), Lubrication, Momentum
Journal Articles

Dynamic Characteristic of Multirecess Externally Pressurized Oil Journal Bearing

M. K. Ghosh
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 1978, 100(4): 467–471.
https://doi.org/10.1115/1.3453254
Published Online: October 1, 1978
View Article titled, Dynamic Characteristic of Multirecess Externally Pressurized Oil Journal Bearing
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Topics: Journal bearings, Bearings, Damping, Perturbation theory, Stiffness, Theoretical analysis, Vibration
Journal Articles

Analytical Solutions for Incompressible Spiral Groove Viscous Pumps

F. C. Hsing
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1974, 96(3): 365–369.
https://doi.org/10.1115/1.3451965
Published Online: July 1, 1974
View Article titled, Analytical Solutions for Incompressible Spiral Groove Viscous Pumps
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Topics: Pumps, Design, Boundary-value problems, Load bearing capacity, Perturbation theory, Thrust bearings
Journal Articles

Experimental Load Capacity and Power Loss of Herringbone Grooved Gas Lubricated Journal Bearings

R. E. Cunningham, D. P. Fleming, W. J. Anderson
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1971, 93(3): 415–422.
https://doi.org/10.1115/1.3451610
Published Online: July 1, 1971
View Article titled, Experimental Load Capacity and Power Loss of Herringbone Grooved Gas Lubricated Journal Bearings
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Topics: Journal bearings, Stress, Clearances (Engineering), Plain bearings, Dimensions, Perturbation theory, Pressure
Journal Articles

Steady-State Experiments on Rotating Externally Pressurized Air-Lubricated Journal Bearings

R. E. Cunningham, D. P. Fleming, W. J. Anderson
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 1970, 92(2): 336–345.
https://doi.org/10.1115/1.3451406
Published Online: April 1, 1970
View Article titled, Steady-State Experiments on Rotating Externally Pressurized Air-Lubricated Journal Bearings
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Topics: Journal bearings, Steady state, Stress, Perturbation theory, Bearings, Flow (Dynamics), Pressure, Rotation, Stiffness
Journal Articles

Asymptotic Methods for an Infinitely Long Slider Squeeze-Film Bearing

R. C. DiPrima
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1968, 90(1): 173–183.
https://doi.org/10.1115/1.3601534
Published Online: January 1, 1968
View Article titled, Asymptotic Methods for an Infinitely Long Slider Squeeze-Film Bearing
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Topics: Bearings, Boundary layers, Gas bearings, Lubrication, Perturbation theory, Pressure, Slider bearings, Thrust bearings