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Effects of Wall Flexibility on the Rotordynamic Coefficients of Turbulent Cryogenic Annular Seals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theory for analyzing the effects of elastic deformations of the seal wall on the dynamic characteristics of high pressure cryogenic annular seals under concentric operation is presented. The ...
Transient Analysis of Tilt Pad Journal Bearings Including Effects of Pad Flexibility and Fluid Film Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper considers vibration response of spinning shafts supported by flexible tilt pad journal bearings, to large mass imbalance (blade loss). A time transient study of the tilt pad journal ...
Rotordynamic Force Prediction of Whirling Centrifugal Impeller Shroud Passages Using Computational Fluid Dynamic Techniques
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The demand for higher efficiencies and performance of modern centrifugal turbomachinery requires improved knowledge of critical design factors in strength of materials, aerodynamics, and rotordynamics. ...
Component Synthesis of Multicase, Rotating Machinery Trains by the Generalized Receptance Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method is presented for computing the eigenvalues of multicase, coupled, rotating machinery trains. The method is based on a synthesis technique which utilizes generalized receptance formulas, ...
Eigensolution Reanalysis of Rotor Dynamic Systems by the Generalized Receptance Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method is presented for efficiently calculating the damped natural frequencies of complex rotor bearings systems. The procedure is applicable to the repeated reanalysis of rotor systems during ...
Eddy Current Effects on the Design of Rotor-Magnetic Bearing Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The recent growth of magnetic bearing applications in the chemical, utility and aerospace industries requires more accurate design tools to insure reliable and effective operation as components ...
Transient Analysis of Plain and Tilt Pad Journal Bearings Including Fluid Film Temperature Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper considers vibration response of spinning shafts supported by flexible fluid film bearings to sudden mass imbalance (blade loss). A time transient study of the plain journal bearing ...
A Finite Element Approach to Pad Flexibility Effects in Tilt Pad Journal Bearings: Part I—Single Pad Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A general method of incorporating pad flexibility effects into tilting pad isothermal bearing analysis is developed. The pad assembly approach is extended using 2-dimensional finite elements to ...
A Finite Element Approach to Pad Flexibility Effects in Tilt Pad Journal Bearings: Part II—Assembled Bearing and System Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pad flexibility effects are studied in an actual bearing. This flexibility is shown to decrease the predicted instability onset speed of the rotor bearing system. The use of complex eigenvalue ...
Closure to “Discussion of ‘A Finite Element Approach to Pad Flexibility Effects in Tilt Pad Journal Bearings: Part I—Single Pad Analysis’” (1990, ASME J. Tribol., 112, p. 176)
Publisher: The American Society of Mechanical Engineers (ASME)