Experimental Evaluation Of Wire Mesh Bearing
Dampers At Cryogenic Conditions
Author(s)
E. M. AL Khateeb, B. H. Ertas, J. M. Vance
Abstract
Mechanical and fluid dampers have been placed at bearing locations in
turbomachinery to stabilize and attenuate vibration levels. Wire mesh, a material
formed by compressing woven wires into the desired shape, possesses significant
amounts of damping. As part of a broader effort to study the effects of different
design factors, ring shaped wire mesh elements made of different materials and
compression densities were tested to compound an understanding of how
stiffness and damping behave in a cryogenic environment. The dynamic response
to periodic excitations at cryogenic temperatures was compared to that of
ambient conditions. Experimental results presented in this paper show the
variation of stiffness and damping with temperature in addition to specific
ma
Keywords
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