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Subsynchronous Vibrations on a Vertical Electrical Motor During Factory Testing – Observed Phenomenon, Interpretation and Resolution
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
During the factory tests of a vertical electric driven de-ballasting pump, casing vibrations were observed on the motor above the contractual limit of 2.8 mm/s, mainly on the motor’s top, Non-Drive End. Supported by fluid ...
Shop Rotordynamic Testing - Options, Objectives, Benefits & Practices
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Tutorial 18: Understanding the lateral rotordynamic behavior is critical in determining the reliability/operability of rotating equipment. Whether examining a centrifugal pump or compressor, steam or gas turbine, motor or ...
Fundamentals of Fluid Film Journal Bearing Operation and Modeling
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Tutorial 14: Widely used in turbomachinery, the fluid film journal bearing is critical to a machine’s overall reliability level. Their design complexity and application severity continue to increase making it challenging ...
Simplified Modal Analysis for the Plant Machinery Engineer
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Tutorial 6: Experimental modal analysis and operating deflection shapes (ODS) are powerful tools in vibration analysis and machinery troubleshooting. However, the machinery plant engineer often doesn’t believe such techniques ...