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RISA New Approach for the Stability Analysis of Rotors Supported by Gas Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A simplified nonlinear transient analysis method for gas bearings was recently published by the authors (Hassini, M. A., and Arghir, M., 2012, “Simplified Nonlinear Transient Analysis Method for Gas Bearings,†J. ...
Phase Change and Choked Flow Effects on Rotordynamic Coefficients of Cryogenic Annular Seals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present work deals with the numerical analysis of phase change effects and choked flow on the rotordynamic coefficients of cryogenic annular seals. The analysis is based on the “bulk flow†equations, with the energy ...
A Simplified and Consistent Nonlinear Transient Analysis Method for Gas Bearing: Extension to Flexible Rotors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A simplified, new method for evaluating the nonlinear fluid forces in air bearings was recently proposed (Hassini, M. A., and Arghir, M., 2012, “Simplified Nonlinear Transient Analysis Method for Gas Bearings,†ASME ...
Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multiscratched Tilting Pad Journal Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a thermo-elasto-hydrodynamics model (TEHD) based on a mass conservative generalized Reynolds equation, coupled with three-dimensional (3D) energy equation for the oil film, and a full 3D thermo-mechanical ...
The Effect of Air–Water Mixture on the Dynamic Response of a Hydrodynamic Journal Bearing With Inclined Grooves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Water-lubricated hydrodynamic journal bearings with deep inclined grooves are often used to support radial loads and dampen pump vibrations in nuclear power plants. The inclined grooves increase the pumping effect of the ...
Experimental and Theoretical Rotordynamic Coefficients of Smooth and Round-Hole Pattern Water-Fed Annular Seals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work presents the comparison between experimental and theoretical results obtained for three straight annular seals. One of the annular seals has smooth rotor and stator while the others have a textured stator; the ...