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Simplified Modal Analysis For The Plant Machinery Engineer
(Texas A&M University. Turbomachinery Laboratories, 2012)
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 are ...
Shop Rotordynamic Testing - Options, Objectives, Benefits and Practices
(Texas A&M University. Turbomachinery Laboratories, 2013)
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 generator, ...
Steady State Performance Prediction Of Directly Lubricated Fluid Film Journal Bearings
(Texas A&M University. Turbomachinery Laboratories, 2012)
Predicting the performance of directly lubricated bearings is a challenge facing bearing manufacturers and end users alike. In this study, thermoelastohydrodynamic (TEHD) theories are applied to analyze three directly ...
Shop Rotordynamic Testing -- Options, Objectives, Benefits and Practices
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
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 ...
Sub-Synchronous Vibrations On a Vertical Electrical Motor During Factory Testing Observed Phenomenon, Interpretation and Resolution
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2017)
Rotordynamic Design Audits of AMB Supported Machinery
(Texas A&M University. Turbomachinery Laboratories, 2008)
Active magnetic bearings (AMBs) are a mature bearing technology that is being applied to many new turbomachines. They have become the bearing of choice for most new turboexpander applications. They are seen as a key enabling ...
Shop Acceptance Testing Of Compressor Rotordynamic Stability And Theoretical Correlation
(Texas A&M University. Turbomachinery Laboratories, 2010)
This paper presents the rotordynamic stability testing of a nine-stage centrifugal compressor used for hydrogen recycle service. The machine tested was of a basic design and employed no damper bearings, damper seals, shunts ...
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 ...