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Pitting Corrosion on Fr6B Gas Turbine Axial Compressor Blades: Investigation and Preventive Measures
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
§ Overview of QG1 Electric power Generation Facility
§ Problem Description
§ Failure Analysis
§ Root Cause Failure Factors
§ Review of Inlet Filtration System
§ Remedial Actions
§ Conclusion
§ Q & A
Unstable Reading of Accelerometers in Cryogenic Service
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
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RasGas operates over 100 pieces of cryogenic submersible equipment. Approximately 80 % are on pumping service and the rest on expansion service.
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These units use two vibration transducers to provide protection and ...
Incinerator Air Blower Repetitive Failures
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
Sharing trouble shooting / experience on blower failures.
•To address similar issues / failures due to over-size / over-capacity equipments
•Reference for blowers selection at project stage.
Innovative Design in Expander Wheel-Shaft Attachment Replaces Hirth Coupling for High Speed, High Temperature and High Power Applications
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
Although this Case Study is focused on an Expander-Generator unit in a geothermal application, it’s findings can be used in all turbomachinery applications where other conventional shaft-wheel attachments are causing ...
Large Steam Turbine Vibration Resonance of Pedestal and Linkage System RCA, Detail Vibration Investigation/Measurement at Site and Countermeasures
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
A Large Steam Turbine had been in operation for several years and this
turbine experienced the wear damage of governor linkage.
Then, measured the vibration velocity profile on Governor side pedestal
to identify the ...
Low lift Dry Gas Seals in High Vapor Pressure, Flashing Hydrocarbon Pump Applications
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
Problem: Ethane pumps with process lubricated; ‘liquid (wet)’ 2CW-CS, plan 11, 76, seals suffered a high frequency of seal failures from initial commissioning in November 2009
•2 fractionator units each with 2 ethane ...
Root Cause Analysis of vibrations in a Roots Blower system
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
Problems: •A roots blower system is suffering from excessive vibrations
•A temporary work-around enabled the operation of the plant, at a large expense of additional power consumption
•The fundamental mechanism of the ...
Extended safe operation of critical machine with PdM technology for Environment & Reliability Targets
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
Advancement in Vibration Monitoring Techniques to Identify and Prevent Motor Failures on MOL Pumps at QP Offshore
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
Contents: Background
Machine description
Data analysis:
• First Visit
• Second Visit
Initial Conclusions
Machine Inspection results
Final Conclusions
Actions Taken
Lessons Learned
Premature Dry Gas Seal Failure on a Sales Gas Centrifugal Compressor
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
Index
•Introduction
•Mechanical findings
•DCS findings
•VMS findings
•Analysis
•Conclusions
•Recomendations
•References
•Comments