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RISUnbalance Response of a Jeffcott Rotor Incorporating Short Squeeze Film Dampers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The steady-state unbalance response of a Jeffcott rotor incorporating short squeeze film dampers executing circular centered whirl is obtained by a fast algorithm. Savings in execution time of ...
Modeling Fluid Inertia Forces of Short Journal Bearings for Rotordynamic Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It has been recently suggested that fluid inertia may play an important role in the dynamic behavior of rotors supported on journal bearings. This paper presents a model for fluid inertia ...
Unbalance Response of a Jeffcott Rotor Incorporating Long Squeeze Film Dampers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The steady state unbalance response of a Jeffcott rotor incorporating long squeeze film dampers executing circular centered precession is obtained. Fluid inertia forces are included in the model ...
Active Control Algorithms for the Control of Rotor Vibrations Using Hybrid Squeeze Film Dampers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The hybrid squeeze film damper (HSFD) has proven itself to be an effective controlling device of vibration in rotating machinery. The critical stage in the development of the HSFD as an active ...
Experimental and Analytical Investigation of Hybrid Squeeze Film Dampers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new concept for actively controlling high-speed rotating machinery is investigated both analyically and experimentally. The controlling mechanism consists of a hybrid squeeze film damper (patent ...
Controlling Journal Bearing Instability Using Active Magnetic Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Journal bearings (JBs) are excellent bearings due to their large load carrying capacity and favorable damping characteristics. However, journal bearings are known to be prone to instabilities. ...
Experimental Investigation of Adaptive Control Applied to HSFD Supported Rotors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the experimental application of adaptive control to Hybrid Squeeze Film Damper (HSFD) supported rotors. The HSFD has been shown to be an adaptive damper capable of providing ...
PI Control of HSFDs for Active Control of Rotor-Bearing Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the proportional integral (PI) control of hybrid squeeze film dampers (HSFDS) for active control of rotor vibrations. Recently it was shown that the automatically controlled ...
Modeling and Control of HSFDs for Active Control of Rotor-Bearing Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper summarizes the development of hybrid squeeze film dampers (HSFDs) for active control of rotor vibrations. Previously, it was shown both theoretically and experimentally that HSFDs can ...
Dynamic Analysis of Squeeze Film Damper Supported Rotors Using Equivalent Linearization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The technique of equivalent linearization is presented in this paper as a powerful technique to perform nonlinear dynamic analysis of squeeze film damper (SFD) supported rotors using linear ...