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RISParametric Studies on Static and Dynamic Performance of Air Foil Bearings with Different Top Foil Geometries and Bump Stiffness Distributions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental and analytical studies on air foil bearings have been performed extensively over the past decades, and significant improvement in load capacity and rotor dynamics stability have been ...
Thermohydrodynamic Analyses of Bump Air Foil Bearings With Detailed Thermal Model of Foil Structures and Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new thermohydrodynamic analysis model for bump air foil bearings with a detailed thermal model of bump foil structures and rotor is presented. In the developed model, temperatures of lubricating ...
Experimental and Analytical Studies on Flexure Pivot Tilting Pad Gas Bearings With Dampers Applied to Radially Compliant Pads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hydrodynamic flexure pivot tilting pad gas bearings (FPTPGBs) can enable successful operation of oil-free microturbomachinery and FPTPGBs with radially compliant pads permit rotor centrifugal and/or ...
Design of Flexure Pivot Tilting Pads Gas Bearings for High-speed Oil-Free Microturbomachinery
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper introduces flexure pivot tilting pad gas bearings with pad radial compliance for high-speed oil-free microturbomachinery. The pad radial compliance was for accommodation of rotor ...
Rotordynamic Performance of Flexure Pivot Tilting Pad Gas Bearings With Vibration Damper
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recently, gas-lubricated bearings have drawn enormous attention for clean energy conversion/process systems such as fuel cells, micro-gas-turbines, gas compressors, etc. Among many different types ...
Design of Three-Pad Hybrid Air Foil Bearing and Experimental Investigation on Static Performance at Zero Running Speed
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Air foil bearings (AFBs) have been explored for various micro- to midsized turbomachinery for decades, and many successful applications of the AFBs to small turbomachinery were also reported. ...
Parametric Studies on Dynamic Performance of Hybrid Airfoil Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Airfoil bearings offer many advantages over oil-lubricated bearings, but they have reliability issues during start∕stops (wear) and limited heat dissipation capability. To address these issues, a ...
Thermohydrodynamic Analysis of Compliant Flexure Pivot Tilting Pad Gas Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new thermohydrodynamic (THD) analysis for compliant flexure pivot tilting pad gas bearings is presented. Unlike many previous THD analyses on oil-lubricated bearings and gas bearings, the new ...
Design and Performance Prediction of Hybrid Air Foil Thrust Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Air foil bearings (AFBs) have been recognized as the most promising for oil-free turbomachinery. However, the applications of AFBs to the relatively large turbomachinery have many technical ...
Start-Stop Characteristics and Thermal Behavior of a Large Hybrid Airfoil Bearing For Aero-Propulsion Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Air/gas foil bearings (AFB) have shown a promise in high-speed micro to mid-sized turbomachinery. Compared to rolling element bearings, AFBs do not require oil lubrication circuits and seals, ...