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RISSignificance of Disk Flexing in Viscous-Damped Jet Engine Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new method of analyzing multishaft jet engine critical speeds and unbalance response is derived to account for flexible bladed disks, asymmetric mounting, and squeeze film bearing damping. The ...
Discussion: “Ceramic Rotating Blades: Some Critical Design Parameters for Gas Turbine Applications” (Schaller, R. J., Visser, C., and Lien, S., 1975, ASME J. Eng. Power, 97, pp. 319–325)
Publisher: The American Society of Mechanical Engineers (ASME)
Discussion: “The Natural Frequencies and Critical Speeds of a Rotating, Flexible Shaft-Disk System” (Chivens, D. R., and Nelson, H. D., 1975, ASME J. Eng. Ind., 97, pp. 881–886)
Publisher: The American Society of Mechanical Engineers (ASME)
Discussion: “Analytical and Experimental Investigation of the Coupled Bladed Disk/Shaft Whirl of a Cantilevered Turbofan” (Crawley, E. F., Ducharme, E. H., and Mokadam, D. R., 1986, ASME J. Eng. Gas Turbines Power, 108, pp. 567–575)
Publisher: The American Society of Mechanical Engineers (ASME)
Blade Excitation by Elliptical Whirling in Viscous-Damped Jet Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An extension of the author’s earlier method of analyzing multi-shaft jet engine dynamics accounting for flexibility of bladed disks is outlined to calculate the first whirl harmonic for given ...
Unbalance Response Analysis of a Complete Turbomachine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new method is derived to calculate unbalance response of a complete turbomachine, including mount asymmetry, disk flexibility, and fluid-film bearing anisotropy by utilizing conventionally obtained ...
Effects of Anomalous Rotor Joints on Turbomachine Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanisms simulating rotor joint restoring moments different from the common axisymmetric elastic hinge are derived and their effects on the dynamics of a complete turbomachine are calculated ...