Browsing Journal of Tribology by Title
Now showing items 1-20 of 6936
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1975 Mayo D. Hersey Award
(The American Society of Mechanical Engineers (ASME), 1976) -
1977 Mayo D. Hersey Award: Robert L. Johnson
(The American Society of Mechanical Engineers (ASME), 1978) -
A 3-D Model for a Multilayered Body Loaded Normally and Tangentially Against a Rigid Body: Application to Specific Coatings
(The American Society of Mechanical Engineers (ASME), 1998)Coatings are increasingly used to improve the mechanical and tribological behavior of surfaces. It is necessary to develop models to guide the initial choice of coating/substrate combinations ... -
A 3D Conservative Model for Self-Lubricated Porous Journal Bearings in a Hydrodynamic Steady State
(The American Society of Mechanical Engineers (ASME), 1999)Successive steps in constructing a realistic conservative 3D model for hydrodynamic porous bearings are presented. They consist in iterative comparisons between theoretical results and industrial ... -
A 3D Finite Element Study of Fatigue Life Dispersion in Rolling Line Contacts
(The American Society of Mechanical Engineers (ASME), 2011)Rolling contact fatigue of rolling element bearings is a statistical phenomenon that is strongly affected by the heterogeneous nature of the material microstructure. Heterogeneity in the microstructure ... -
A Baseline Theory for the Design of Oil-Lubricated Centrally Pivoted Plane-Pad Thrust Bearings
(The American Society of Mechanical Engineers (ASME), 2010)A baseline theory is developed in this paper for the design of oil-lubricated centrally pivoted plane-pad thrust bearings. By focusing on the hydrodynamics generated by the viscosity-temperature ... -
A Boundary Integral Equation Method for the Study of Slow Flow in Bearings With Arbitrary Geometries
(The American Society of Mechanical Engineers (ASME), 1984)This paper investigates the steady slow flow of an incompressible viscous fluid in the region between an inner circular cylinder rotating with constant angular velocity and an outer stationary ... -
A Boundary Lubrication Friction Model Sensitive to Detailed Engine Oil Formulation in an Automotive Cam/Follower Interface
(The American Society of Mechanical Engineers (ASME), 2011)Theoretical studies have shown that in severe operating conditions, valve train friction losses are significant and have an adverse effect on fuel efficiency. However, recent studies have shown ... -
A Bounded Variable Approach to the Optimum Slider Bearing
(The American Society of Mechanical Engineers (ASME), 1968)Contemporary methods for treating inequality constraints in the calculus of variations are employed to determine the maximum load-capacity one-dimensional slider bearing using a lubricant with ... -
A Brief Comparison of the Accuracy of Time-Dependent Integration Schemes for the Reynolds Equation
(The American Society of Mechanical Engineers (ASME), 1972)Two dynamic methods are compared for integrating the Reynolds equation as applied to determining the axial dynamics of a spool bearing. It is shown that very sensitive phase shifts in the ... -
A Bubble Dynamics Based Approach to the Simulation of Cavitation in Lubricated Contacts
(The American Society of Mechanical Engineers (ASME), 2009)The negative squeeze lubrication problem is investigated by means of numerical simulations that account for the dynamics of vaporization. The model is based on bubble dynamics, governed by the ... -
A Bulk-Flow Analysis of Static and Dynamic Characteristics of Eccentric Circumferentially-Grooved Liquid Annular Seals
(The American Society of Mechanical Engineers (ASME), 2004)The bulk-flow equations used for inertia dominated thin-film flows is an attractive model for the analysis of circumferentially grooved annular seals because the solutions based on the numerical ... -
A Bulk-Flow Theory for Turbulence in Lubricant Films
(The American Society of Mechanical Engineers (ASME), 1973)The purpose of this study on the turbulent lubricant film is: 1 To give a brief outline of a new theory called bulk-flow theory; 2 To investigate to what extent results of theories based ... -
A Calculation Method to Investigate the Effects of Geometric Parameters and Operational Conditions on the Static Characteristics of Aerostatic Spherical Bearings
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, a calculation method based on matlab partial differential equations (PDE) tool is proposed to investigate the static characteristics of aerostatic spherical bearings. The Reynolds equation of aerostatic ... -
A Cantilever Mounted Resilient Pad Gas Thrust Bearing
(The American Society of Mechanical Engineers (ASME), 1977)A gas thrust bearing consisting of flat sector shaped pads mounted on resilient metallic cantilever beams is described and analyzed. Compliance and stiffness of the bearing assembly are discussed ... -
A Cavitation Algorithm
(The American Society of Mechanical Engineers (ASME), 1981) -
A Circular Non-Newtonian Fluid Model: Part II—Used in Microelastohydrodynamic Lubrication
(The American Society of Mechanical Engineers (ASME), 1990)A circular non-Newtonian fluid model and system approach is used in this paper to study the effect of a stationary surface irregularity where the film shape has been modified in the conjunctions ... -
A Circular Non-Newtonian Fluid Model: Part I—Used in Elastohydrodynamic Lubrication
(The American Society of Mechanical Engineers (ASME), 1990)A circular non-Newtonian fluid model associated with the limiting shear strength was considered. Using this model a modified Reynolds equation was developed which is almost the same as the ... -
A Class of Maximum Load Capacity Sector Thrust Bearings
(The American Society of Mechanical Engineers (ASME), 1977)A finite element method is used to determine the pressure distribution for a sector pad of a thrust bearing. The optimization technique known as pattern search is applied to the load capacity ... -
A Combined EFEM–Discrete Element Method Dynamic Model of Rotor–Bearing–Housing System
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, a model was developed to study the effects of rotor and support flexibilities on the performance of rotor–bearing–housing system. The system is composed of a flexible rotor and two supporting deep-groove ...