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RISTransient Response of a Short Length (L/D = 0.2) Open Ends Elastically Supported Squeeze Film Damper: Centered and Largely Off Centered Whirl Motions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Commonly employed in air breathing (gas turbine) engines, squeeze film dampers (SFDs) reduce the amplitude of rotor vibration while traversing system critical speeds or in transient events such as during a maneuver load, ...
On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gas turbine aircraft engine manufacturers push for simple squeeze film damper (SFD) designs, short in length, yet able to provide enough damping to ameliorate rotor vibrations. SFDs employ orifices to feed lubricant directly ...
Effect of Oil Supply Pressure on the Force Coefficients of a Squeeze Film Damper Sealed With Piston Rings
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Squeeze film dampers (SFDs) aid to both reduce rotor dynamic displacements and to increase system stability. Dampers sealed with piston rings (PR), common in aircraft engines, are proven to boost damping generation, reduce ...