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Now showing items 61-70 of 264
Detection of Misalignment from Vibration Data
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
On a boiler feed pump driven by a motor running close to 3600 rpm, a horizontal misalignment issue was suspected by examining orbit plots besides shaft centerline plots. The follow-up inspection did uncover large parallel ...
Modernization of 75 year old Turbo Generator Emergency Trip System
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
This case study presents lessons learned during the retrofit of two 75-year old Turbo Generator (TG) overspeed trip systems to meet the latest edition of API 612. The effort was initiated due to reliability issues with the ...
An End-User’s Guide to Centrifugal Pump Rotordynamics
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
This tutorial discusses concepts and methods involved in performing and evaluating centrifugal pump rotordynamic analysis. The presentation includes Lomakin Effect, Gyroscopic Effect, Cross-Coupling, Rotordynamic Stability, ...
How to Specify, Design, and Install Canned Motor Pumps in a Refinery
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
This tutorial will guide the end user through the process of specifying and installing canned motor pumps in refinery services. Specific examples will be shown of both successes and failures and lessons learned will be discussed.
INFLUENCE OF THE SHAPE OF THE IMPELLER BLADE TRAILING EDGE ON SINGLE AND TWO-PHASE AIRWATER FLOWS IN A CENTRIFUGAL PUMP
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
In this study, the performance of a radial-type centrifugal pump was investigated for different single and two-phase flow conditions to evaluate the influence of the shape of the impeller blade trailing edge. For that ...
Why combustion components are particularly suitable for harvesting the benefits of additive manufacturing
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
This paper focuses the use of additive manufacturing (AM) for the production of gas turbine (GT) combustion system components. It discusses how AM methods are being employed to improve the reliability and thermo-mechanical ...
Integrity Management of Safety Critical Rotating Equipment and Systems
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
Safety Critical Elements (SCEs) are the equipment and systems that provide the basis of risk management associated with Major Accident Hazards (MAHs). A SCE is classified as an equipment, structure or system whose failure ...
A Novel Method for Evaluating Sideload Compressor Thermodynamic Performance
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
A method has been developed that allows reasonably accurate sectional performance evaluation of sideload compressors based upon only external measurements available from the streams entering and exiting the compressor ...
A REVIEW OF AERODYNAMICALLY INDUCED FORCES ACTING ON CENTRIFUGAL COMPRESSORS, AND RESULTING VIBRATION CHARACTERISTICS OF ROTORS
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
There are several sources of non-synchronous forced vibration of centrifugal compressor rotors. Many of them are aerodynamic phenomena, created within the gas path of the compressor. Phenomena such as impeller stall, ...
Turbo Tut - Performance of Industrial Gas turbines
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2020)
Industrial gas turbines have performance characteristics that distinctly depend on ambient and operating conditions. Application of these gas turbines, as well as the control and condition monitoring, require to consider ...