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Laser Welding for Turbomachinery Rotor Restoration
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Laser cladding is gaining acceptance for restoration of turbine and compressor shafts, which has resulted in increased customer demand for laser cladding options. This has increased the number of laser welding suppliers, ...
Experimental and Numerical Analysis of Starvation in a Tilting Pad Journal Bearing
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
A series of journal bearing tests were conducted to acquire more detailed information on the behavior of individual pads in a tilting pad journal bearing and how the individual behavior may affect the performance and dynamic ...
TURBOMACHINERY FOR OLEFINS PRODUCTION
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
This tutorial covers the basics, applications, and operation of compressors, expanders, and steam turbines in the plastics industry. Plastics manufacturing, which is part of the petrochemical industry, produces polymer ...
IMPELLER MANUFACTURING – UNDERSTANDING THE METHODS & THEIR IMPACT ON PERFORMANCE
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
This tutorial provides an overview of the manufacturing processes used to build centrifugal compressor impellers and how the various processes can impact the performance of these critically important components. Comments ...
Troubleshooting of Start Up for Old Steam Turbine
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
During the start-up of an old steam turbine (about 30 years old), that was internally revamped, it was tripped due to high rotor vibrations. Site investigation was done to find out the root cause. Abnormal casing deformation ...
Modifying a Non-Clog Pump Experiencing Multiple Natural Frequency issues Based on Field Vibration Testing and FEA Analysis
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
In order to fully understand the true causes of the elevated vibration of a non-clog pump, driven by a long drive-shaft, a detailed FEA analysis was used to simulate the entire pump system (foundation and piping) to identify ...
Pump Success Stories
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Processes across different sectors of energy business. This lecture paper describes two case studies which may help machinery diagnostic engineers / condition monitoring engineer in understanding real life vibration ...
Reciprocating Compressor Crankshaft Fatigue Failure
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Determining the cause of a crankshaft failure which resulted in significant collateral damage within an Oxygen compressor safety barrier can be challenging despite having the industry recommended instrumentation. This case ...
EFFECT OF REDUCED OIL FLOW RATE ON THE STATIC AND DYNAMIC PERFORMANCE OF A TILTING PAD JOURNAL BEARING RUNNING IN BOTH THE FLOODED AND EVACUATED CONDITIONS
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
The lecture presents measurements of the static and dynamic load performance conducted with a tilting pad journal bearing running under flooded and evacuated conditions and lubricated with flow rates ranging from a nominal ...
Shannon’s Machine Capacity & Degradation
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Current methodologies on health assessment and diagnostics of systems and components are limited in analysis and accuracy. Methodologies like artificial intelligence or limit checks examine statistical significance rather ...