Floating Seal Ring Acting as a Third Bearing
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Background: The synthesis Gas Compressor was recently overhauld. Replaced the IP Compressor ortor, interstage seals and floating seal rings. Replaced the inboard radial and thrust bearings of IP Compressor. When the machine started, high vibration was experienced on the inboard bearing while outboard bearing indicated low vibration levels.
Mekawey, Sherif (2011). Floating Seal Ring Acting as a Third Bearing. Turbomachinery Laboratory, Texas A&M Engineering Experiment Station. Available electronically from