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Transmission Elements: Couplings and Alignment, Gears
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Suggested Topics:
• Coupling guard design
• Shaft alignment and tolerances
• Balancing methods
• Coupling selection and specifications
• Shaft alignment methods
• Thermal growth considerations
• Application of optical ...
Torsional Modal Damping of a LCI Driven Geared Moto-Compressor Train: Evaluation, Optimization Criteria and Active Control
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
The torsional modal response of geared compression trains
driven by Variable Speed Drive Systems (VSDS) can be
heavily affected by electro-mechanical interaction phenomena,
both in terms of excitation mechanism and resulting ...
Effective Procedure for Turbomachinery Field Balance
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
When unbalance induced vibrations exceed allowable limits, a more accurate system balance is
required. If performed at site on assembled machines, it is commonly called field balance.
Key point of the activity is the ...
Effects of Shaft Geometric Unconformities on the Rotor-Dynamic Behavior in Hard Coupled Equipment
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 17: This case study deals with a 25MW turbo-generator train with a semi-rigid connection between generator and gearbox. For this application, machine alignment and connection is a key factor for a smooth ...
Design Validation of High Speed Ratio Epicyclic Gear Technology in Compression Systems
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Lecture 5: Epicyclic gear technology is a key factor to support thcompression growth strategy in electrified applications, due to the ever increasing transmission ratio required to meet the high compressor speeds. The paper ...
Unexpected Vibrations in Gearbox Caused by System Integration Issues
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This case study deals with a 24MW turbo-compressor unit composed of a gas turbine, a speed reduction gearbox with a lube oil pump mounted on its low speed shaft and two compressors in series. The unit was subject to high ...
Turbomachinery and Pump Vibrations
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This group will discuss plant machinery vibration detection, monitoring, and diagnosis, from a Plant O&M point-of-view. All
attendees will be encouraged (but not required) to participate in discussions, and contribute ...