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RMC-07-101 Importance of Gathering Start-up/Shutdown Vibration Data on Critical Turbo-machinery
Ed Wilcox, Consulting Machinery Engineer, Lyondell Chemical Company
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Description:
This paper describes how transient vibration data (vibration data taken when the machinery starts up or shuts down) can be used to provide much more information about a piece of machinery than steady state data alone. Most of the machinery described is of the high speed nature with hydrodynamic journal bearings and noncontacting eddy current displacement probes, though many of the principles apply to low speed applications with anti-friction bearings as well. Several case studies are presented where transient data were used to evaluate the stability of the machinery as well as determine the source of the excitation forces.
Product Details:
Product ID: | RMC-07-101 |
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Publication Year: | 2007 |