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RISFluid Rheological Effects in Sliding Elastohydrodynamic Point Contacts With Transient Loading: 1—Film Thickness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes an experimental investigation of the elastohydrodynamic problem. The investigation was limited to a study of nominal point contacts in pure sliding motion. The profile of ...
Fluid Rheological Effects in Sliding Elastohydrodynamic Point Contacts With Transient Loading: 2—Traction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the results of the traction measurements obtained in the experiment discussed in the companion paper entitled “Fluid Rheological Effects in Sliding Elastohydrodynamic Point ...
Some Observations of the Relationship Between Film Thickness and Load in High Hertz Pressure Sliding Elastohydrodynamic Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dependence of film thickness on Hertz pressure at pressure levels typical of design applications has been investigated. The data presented by investigators at NASA and Battelle using an ...
Pressure Viscosity Characteristics of a Series of Siloxane Fluids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The viscosity-pressure-temperature behavior of a series of 14 siloxane polymers is reported. The series of fluids includes a range of degree of polymerization and of size and nature of side ...
Molecular Degradation of Lubricants in Sliding Elastohydrodynamic Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The extent of lubricant degradation in a sliding elastohydrodynamic contact has been investigated. The lubricant was subjected to peak Hertz pressures of approximately 109 N/m2 and average shear ...
Effects of Load, Speed, and Surface Roughness on Sliding EHD Contact Temperatures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An infrared technique has been used to determine the effects of load, speed and surface roughness on temperature in a sliding EHD point contact. Ball surface temperatures are reported for ...
Glass Transitions in Lubricants: Its Relation to Elastohydrodynamic Lubrication (EHD)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A preliminary investigation into the possible role of glass transition and glassy state behavior of lubricants in EHD contacts is reported. Measurements of the glass transition of lubricants as ...
Asperity Interactions In EHD Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Infrared temperature measurements, ferrographic analysis, and surface profilimetry were used to monitor asperity interactions in a sliding EHD point contact. The contact temperature and surface ...
Temperature Measurements in Sliding Elastohydrodynamic Point Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Techniques using the infrared radiation emitted by a sliding EHD point contact to measure oil film and surface temperature are discussed. Temperature distributions in the EHD contact are presented ...
Infrared Temperature Mapping in Elastohydrodynamic Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An improved technique for the measurement of temperature distributions in an EHD conjunction is presented. The technique reported here employs the infrared radiation emitted by the EHD conjunction ...