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RISVibration Diagnosis Featuring Blade-Shaft Coupling Effect of Turbine Rotor Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As is well known, zero and one nodal diameter (k=0 and k=1) modes of a blade system interact with the shaft system. The former couples with torsional and/or axial shaft vibrations, and the ...
An Evaluation of Stability Indices Using Sensitivity Functions for Active Magnetic Bearing Supported High-Speed Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In active magnetic bearing (AMB) systems, stability is the most important factor for reliable operation. Rotor positions in radial direction are regulated by four-axis control in AMB, i.e., a ...
Aseismic Vibration Control of Flexible Rotors Using Active Magnetic Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The wide application of active magnetic bearing (AMB) requires an aseismic evaluation with respect to AMB rotor vibrations caused by actual earthquakes. A flexible rotor supported by AMB is ...
Reduced Modeling for Turbine Rotor-Blade Coupled Bending Vibration Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a traditional turbine-generator set, rotor shaft designers and blade designers have their own models and design process which neglects the coupled effect. Since longer blade systems have ...