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RISFlow Transition Criteria in a Journal Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High speed Couette type flow was studied for small clearance ratios (C/R = 0.0055 and 0.0031). Water flow pattern visualiszations and torque measurements were performed. Results show that Taylor ...
Performance of Plain Journal Bearings Operating Under Vortex Flow Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental program conducted on an original device was undertaken to study the performance of plain bearings operating at sufficiently high Reynolds number to introduce Taylor vortices. ...
Film Thickness and Effective Viscosity of Some Fire Resistant Fluids in Sliding Point Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Optical film thickness measurements are performed in a pure sliding point contact apparatus for different fire resistant fluids: a water in oil emulsion, a water glycol and a chlorinated diphenyl. ...
Relation Between Wear of Cr.Ni Steels and Debris Transport at High Temperature (950°C)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Visualization of the friction process of a Cr.Ni Steel pin running on a disk of similar material under nitrogen has shown that a built-up edge (b.u.e.) is gradually formed and eliminated at ...
Boundary Conditions in a Two-Body Contact Formed by a Rectangular Polyurethane Slab Pressed Against an Araldite Plane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The variation of contact stress distribution of a rectangular slab loaded against a flat during a tangential load cycle is monitored using photoelastic techniques. Results show that different ...
Surface Temperatures in Distributed Contacts. Application to Bearing Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Two dimensional Fourier transform methods developed by Ling to calculate contact temperatures were applied to the case of a dry bearing operating with a plastic liner. Results show that ...
Analysis of Multiple Fatigue Cracks—Part II: Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A semianalytical model of multiple fatigue crack analysis in sliding contact is developed. Linear elastic fracture mechanics is applied. Frictional resistance between crack faces is taken into ...
An Attempt to Provide a Unified Treatment of Tribology Through Load Carrying Capacity, Transport, and Continuum Mechanics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper attempts to give a unified treatment of experiments obtained with solid, liquid and boundary lubricants, different plastics, high temperature steels and elastomers. The argument is ...
Simulation of Hertzian Contacts Found in Spur Gears with a High Performance Disk Machine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A high performance disk machine capable of simulating both radii of curvature, rolling and sliding speeds of spur gears was built. The simulation program was conducted using both a gear rig ...
Fretting Wear Mechanisms and Their Effects on Fretting Fatigue
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fretting wear and fretting fatigue are governed by the rate of formation of materials (third-bodies) between the initial contact surfaces. Furthermore, the third-bodies must be maintained within ...