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RISModeling of Friction Contact and Its Application to the Design of Shroud Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Designers of aircraft engines frequently employ shrouds in turbine design. In this paper, a variable normal load friction force model is proposed to investigate the influence of shroudlike contact ...
Characterization of Contact Kinematics and Application to the Design of Wedge Dampers in Turbomachinery Blading: Part 2—Prediction of Forced Response and Experimental Verification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the second part of this paper, the application of the proposed dual-interface model to the prediction of the forced response of a blade constrained by wedge dampers will be presented. When ...
Characterization of Contact Kinematics and Application to the Design of Wedge Dampers in Turbomachinery Blading: Part 1—Stick-Slip Contact Kinematics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Friction dampers are often used in turbine design to attenuate blade vibration to acceptable levels so as to prolong blades’ service life. A wedge damper, also called a self-centering, ...
Prediction of Resonant Response of Shrouded Blades With Three-Dimensional Shroud Constraint
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the three-dimensional shroud contact kinematics of a shrouded blade system is studied. The assumed blade motion has three components, namely axial, tangential, and radial components, ...