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Computational Fluid Dynamics Study of Oil Behavior in a Scoop, and Factors Affecting Scoop Capture Efficiency
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Due to the continuous reduction of engine sizes, efficient under-race lubrication becomes ever more crucial in order to provide sufficient amount of oil to various engine components. An oil scoop is a rotating component ...
A Computational Fluid Dynamics Simulation of Oil–Air Flow Between the Cage and Inner Race of an Aero-engine Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In aero-engines, the shafts are supported on bearings that carry the radial and axial loads. A ball bearing is made up of an inner race, an outer race, and a cage, which contains the balls, these together comprise the ...
The Depth Averaged Numerical Simulation of Laminar Thin Film Flows With Capillary Waves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thinfilm flows encountered in engineering systems such as aeroengine bearing chambers often exhibit capillary waves and occur within a moderate to high Weber number range. Although the depthaveraged simulation of these ...
Toward Investigation of External Oil Flow From a Journal Bearing in an Epicyclic Gearbox
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High loads and bearing life requirements make journal bearings the preferred choice for use in high-power, planetary gearboxes in jet engines. With the planet gears rotating about their own axis and orbiting around the sun ...
Multiphase Computational Fluid Dynamics Modeling of External Oil Flow From a Journal Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High loads and bearing life requirements make journal bearings a potential choice for use in high power, epicyclic gearboxes in jet engines. Particularly, in a planetary configuration, the kinematic conditions are complex. ...