Search
Now showing items 231-240 of 264
L05: Measured Leakage and Rotordynamic-Coefficients for the Following Liquid Annular Seals: (A) Smooth-Rotor/Grooved-Stator, and (B) Grooved-Rotor/Smooth-Stator
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Test results are presented and compared for the following annular pump seal geometries: (a) a smooth-rotor/circumferentially-grooved stator (SR/GS) and (b) a smooth-stator/circumferentially-grooved rotor (GR/SS) The GR/SS ...
TB11: PETRONAS Rotating Equipment Analytics (PROTEAN): Disrupting and Challenging the Status Quo of Digital Remote Monitoring Solutions
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
In this paper, the author will describe how PETRONAS Carigali Sdn Bhd started to embark on their journey in developing their ownin-house digital solution for rotating equipment remote monitoring system for the supercritical ...
CS28: Inner and Outer Race Defect Detection and Monitoring
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Accelerometers were used to measure vibration of the input shaftusing an on-line remote monitoring system Though the vibrationamplitudes were below the acceptable limit for over a year period,two bearing damages were thought ...
CS23: Resolution of Steam Turbine High Vibration Due to Rotor Rub
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
This case study presents a high vibration trip incident experienced on a SP steam turbine which was overhauled, during re-start The machine tripped 3 times on high vibration just before 1st critical The problem was identified ...
Refrigeration Compressor Basics For The Oil And Gas Industries
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
This tutorial discusses the design basics for refrigeration compressors, using the 2�section Propane refrigeration configuration as an example. The benefits of incorporating a flash gas Economizer are discussed, as are ...
CS17: Torsional vibration problem with recirculation gas blower due to variable frequency drive
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
The centrifugal blower equipped with variable-frequency-drive (VFD) motor services in petrochemicalplant The unit was experienced many times of coupling failures after replacement new VFD,metallurgical study indicated ...
TB14: A Practical Data-Driven Analysis Case Studies for Gas Turbine Operators
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
There is abundance of machinery performance data available nowadays due to recent development ofsensors and computational powerUsually those data left to complex/ advance tools (special software) and technique (AI, ...
CS30: Steam Turbine Oil Seal Rub
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
The purpose of this case study is to describe a problem with random, intermittent rotor vibration excursions in a large steam turbine These types of problems can be very difficult to diagnose, especially when the vibration ...
T05: Methods to Effectively Evaluate Modern Journal Bearing Performance and Achieve High Reliability
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Centrifugal compressors and steam turbines commonly use hydrodynamic journal bearings These bearings can be fixed geometry(sleeve) or tilting pad type Most end users expect bearings to operate trouble free from major ...
T10: Strategies to Prevent Sudden Catastrophic Compressor Failures during Transient Operating Conditions
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Many compressor failures occur during transient operating conditions These failures can be prevented or minimized by having agood machinery condition monitoring program, a good machinery protection system and good maintenance ...