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A Stockbridge damper is a tuned mass damper used to suppress wind-induced vibrations on slender structures such as overhead power lines, [1] long cantilevered signs [2] and cable-stayed bridges. The dumbbell -shaped device consists of two masses at the ends of a short length of cable or flexible rod, which is clamped at its middle to the main ...
Stockbridge damper bolted to line close to the point of attachment to the tower. It prevents mechanical vibration building up in the line. Stockbridge dampers are added to the transmission lines a meter or two from the tower. They consist of a short length of cable clamped in place parallel to the line itself and weighted at each end.
The graph shows the effect of a tuned mass damper on a simple spring–mass–damper system, excited by vibrations with an amplitude of one unit of force applied to the main mass, m 1. An important measure of performance is the ratio of the force on the motor mounts to the force vibrating the motor, F 0 / F 1 .
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Rotary damper - rotary motion is dissipated as heat in a highly viscous fluid or gel. May use a smooth surface rotating cylinder and a smooth surface stationary interior wall with fluid/gel between. For more forceful motion absorption and higher surface area, a paddle wheel or toothed gear is used, with a similarly ribbed or studded stationary ...
Stockbridge Indian Cemetery, a cemetery north of Stockbridge, Wisconsin; Stockbridge public library, Edinburgh; Stockbridge Racecourse, a horse racing venue in Hampshire, England which closed in 1898; Stockbridge School, a "progressive" co-educational boarding school for adolescents near Stockbridge, Massachusetts, 1948–1976
IEC 62011 Insulating materials – Industrial, rigid, moulded, laminated tubes and rods of rectangular and hexagonal cross-section based on thermosetting resins for electrical purposes; IEC 62012 Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments; IEC 62014 Electronic design automation libraries
If two devices share the same type designation other than the first letter (e.g. ECL82, PCL82, UCL82) they will usually be identical except for heater specifications; however there are exceptions, particularly with output types (for example, both the PL84 and UL84 differ significantly from the EL84 in certain major characteristics, although ...