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Subsynchronous Shaft Vibration in an Integrally Geared Expander-Compressor due to Vortex Flow in an Expander
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Subsynchronous shaft vibration was observed in an integrally
geared expander-compressor when the machine was operated
with a partial load in the course of plant start up. The root
cause of the synchronous shaft vibration ...
Impeller Stall Induced by Reverse Propagation of Non-Uniform Flow
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
In the case of centrifugal compressors, minor non-uniform flow
upstream of the impeller is induced by an asymmetrical
configuration in the circumferential direction at the compressor
suction casing. This non-uniform flow ...