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Mass Damper Using Friction-Dissipating Devices
Journal of Engineering Mechanics, 1995The paper proposes and studies a nonlinear mass damper that uses friction dampers acting transversely to the direction of the motion of the mass damper as a means for energy dissipation. The resistant scheme of this mass damper shows a hysteretic damping mechanism in which the dissipation of energy is quadratic in the amplitude of deformation.
José A. Inaudi, James M. Kelly
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Friction Damper Effects on Airfoil Aeromechanics
International Journal of Turbo and Jet Engines, 1997Turbomachine design is directed at performance, accomplished with blading operating near to aeromechanics stability limits. Currently, linearized friction damper models are used to predict these stability limits. However, during engine development, these linearized solutions are often found to be inadequate.
Patrick D. Markham, Sanford Fleeter
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Torsional Viscous-Friction Dampers
Journal of Fluids Engineering, 1949Abstract This paper describes the large torsional viscous-friction or “Lanchester” dampers manufactured by the author’s company for use on Diesel engines. Some properties of the new silicone fluids, that are necessary for damper design, are given.
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Energy dissipation of a friction damper
Journal of Sound and Vibration, 2004In this paper the energy dissipated through friction is analysed for a type of friction dampers used to reduce squeal noise from railway wheels. A one degree-of-freedom system is analytically studied. First the existence and stability of a periodic solution are demonstrated and then the energy dissipated per cycle is determined as a function of the ...
Lopez Arteaga, I. +2 more
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Engineering structures, 2020
Traditional buildings, even with normal self-centering energy dissipation (SCED) braces, might suffer from large deformations and high mode effects under an extremely strong earthquake, leading to a concentration of inter-story drift in upper floors.
Yongwei Wang +3 more
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Traditional buildings, even with normal self-centering energy dissipation (SCED) braces, might suffer from large deformations and high mode effects under an extremely strong earthquake, leading to a concentration of inter-story drift in upper floors.
Yongwei Wang +3 more
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Semiactive Coulomb Friction Lead-Lag Dampers
Journal of the American Helicopter Society, 2010Lead–lag dampers are present in most rotor systems to provide the desired level of damping for all flight conditions. These dampers are critical components of the rotor system and also represent a weight and drag penalty together with a major source of maintenance costs.
Bauchau, Olivier +2 more
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, 2020
Super-elastic shape memory alloys (SMAs) are widely used to mitigate seismic responses of engineering structures because of their self-centring and energy dissipation characteristics.
Zhenhua Zhang +5 more
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Super-elastic shape memory alloys (SMAs) are widely used to mitigate seismic responses of engineering structures because of their self-centring and energy dissipation characteristics.
Zhenhua Zhang +5 more
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The Journal of the Acoustical Society of America, 2009
A support for a bearing that provides for damping of the bearing and for centering of the bearing within a housing, in which a plurality of cone shaped annular plates are stacked in series and positioned between the housing and an outer race of the bearing, the annular plates being offset from a plane normal to the rotational axis of the bearing such ...
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A support for a bearing that provides for damping of the bearing and for centering of the bearing within a housing, in which a plurality of cone shaped annular plates are stacked in series and positioned between the housing and an outer race of the bearing, the annular plates being offset from a plane normal to the rotational axis of the bearing such ...
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Optimization of Interblade Friction Damper Design
Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, 2000The vibration amplitudes of bladed disk assemblies can be reduced significantly by means of friction damping devices such as shrouds, damping wires and interblade friction dampers. In practice, interblade friction dampers are applied in rotating arrangements with various geometries showing curved or flat surfaces like so-called wedge-shaped dampers ...
Lars Panning, Walter Sextro, Karl Popp
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Damper Friction And Vertical Dynamics
Vehicle Dynamics InternationalA team of dynamics experts has collaborated to research the effects of shock absorber friction on vehicle vertical dynamics, which is an important factor as the world moves towards more automated driving
Clemens Deubel +2 more
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